Bestselling Products

1. Two ways to control your appliances: APP control, touch on/off, when at home, touch it on or off, when you are away, use the mobile APP to control or monitor at any time. 2. The soft LED backlight will make it easy to locate the switch and make the night just a bit cozier. 3. Exquisite craftwork, toughened glass panel, high temperature enclosure. 4. Single / repeat / countdown timing to automate on / off.

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1. WiFi remote control, switch at any time 2. Jack and USB ports can be controlled separately 3. Multi-device charging intelligent distribution of charging current 4. High temperature over-current protection 5. Wireless frequency: 2.412-2.484GHz 6. Wireless standard: WiFi 2.4GHz b/g/n

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1. Support intelligent time switch 2. Support remote remote switch 3. Support Alexa, Google Home voice control 4. Support sharing control switch 5. Two USB jacks support 2.1A fast charge

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1. Support app remote control and timer functions. 2. Work with Amazon Echo, Echo Dot, Amazon Tap and Google Nest to manage your sockets through Voice control. 3. 750 Celsius degree high temperature resistance. 4. USB output: DC 5V 2.1A (Max). 5. 2.4GHz b/g/n WiFi.

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1. WiFi remote control, switch at any time 2. Mobile phone APP remote control 3. Jack and USB ports can be controlled separately 4. Multi-device charging intelligent distribution of charging current 5. High temperature over-current protection 6. Support timing function 7. Wireless frequency: 2.4GHz

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1. Support app remote control and timer functions. 2. Work with Amazon Echo, Echo Dot, Amazon Tap and Google Nest to manage your sockets through Voice control. 3. 750 Celsius degree high temperature resistance. 4. USB output: DC 5V 2.1A (Max). 5. 2.4GHz b/g/n WiFi.

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1. Support app remote control, timer and individual socket control functions. 2. Work with Amazon Echo, Echo Dot, Amazon Tap and Google Nest to manage your sockets through Voice control. 3. 750 Celsius degree high temperature resistance. 4. USB output: DC 5V 2.4A (Max). 5. 2.4GHz b/g/n WiFi. 6. Scan the QR code to download "ANNHOME" app from APP store or Google Play.

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1. Two ways to control your appliances: APP control, touch on/off, when at home, touch it on or off, when you are away, use the mobile APP to control or monitor at any time. 2. The soft LED backlight will make it easy to locate the switch and make the night just a bit cozier. 3. Exquisite craftwork, toughened glass panel, high temperature enclosure. 4. Single / repeat / countdown timing to automate on / off.

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1. Support app remote control and timer functions. 2. Work with Amazon Echo, Echo Dot, Amazon Tap and Google Nest to manage your sockets through Voice control. 3. 750 Celsius degree high temperature resistance. 4. USB output: DC 5V 2.1A (Max). 5. 2.4GHz b/g/n WiFi.

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1. Two ways to control your appliances: APP control, touch on/off, when at home, touch it on or off, when you are away, use the mobile APP to control or monitor at any time. 2. The soft LED backlight will make it easy to locate the switch and make the night just a bit cozier. 3. Exquisite craftwork, toughened glass panel, high temperature enclosure. 4. Single / repeat / countdown timing to automate on / off.

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1. Two ways to control your appliances: APP control, touch on/off, when at home, touch it on or off, when you are away, use the mobile APP to control or monitor at any time. 2. The soft LED backlight will make it easy to locate the switch and make the night just a bit cozier. 3. Exquisite craftwork, toughened glass panel, high temperature enclosure. 4. Single / repeat / countdown timing to automate on / off.

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1. WiFi smart socket, make home electronic appliances smart. 2. Scheduled timing, scheduled on / off any electrical devices, live a care-free life. 3. Overload protection, more safety, preset a power / current / voltage threshold value, once it reaches the threshold value, it will auto-turn off connected appliance. 4. You can set a scheduled timer to turn on your water heater remotely on a regular basic, have a comfortable hot bath to dispel the day's fatigue when you arrive home. 5. Countdown timer to avoid overcharge, overcharge will easily damage your battery, and may cause safety problem, with this smart socket, you can set a 3 hours countdown timer for your charger. 6. It is a universal smart socket for all kinds of appliances, with eWeLink, you can wireless control your appliances from anywhere in the world. 7. Compact size, you can stack two mini smart plugs in the same outlet. 8. Control appliances with your voice via Amazon Alexa and Google Assistant.

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1. Turn electronics on /off from anywhere with your EWeLink APP (iOS & Android). 2. Works with Amazon Alexa, Google Assistant and IFTTT. Samsung SmartThings and NEST compatibility will be supported soon. 3. Create on /off schedules or set auto-off timer routine to work automatically. 4.Check to see the status of connected devices from anywhere for peace of mind. 5. Works with the WiFi you already have in your home. No HUB or accessories required.

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1. Adopt high quality ABS + PC materials, durable and safety. 2. Easy to connect and use. 3. Each socket could be controlled separately. 4. The smart power strip works with Google home. 5. Timing function: you can set the cell timing task, and set for your time to switch. 6. Smart WiFi power strip socket, could be compatible with Amazon Alexa, voice control any time while at home. 7. The product can control household appliances freely with your smartphone APP, even when you are lying on the bed or away from home. 8. Improve your life quality: Bring a lot of conveniences to your life, simple and convenient.

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1. Turn electronics on /off from anywhere with your EWeLink APP (iOS & Android). 2. Works with Amazon Alexa, Google Assistant and IFTTT. Samsung SmartThings and NEST compatibility will be supported soon. 3. Create on /off schedules or set auto-off timer routine to work automatically. 4.Check to see the status of connected devices from anywhere for peace of mind. 5. Works with the WiFi you already have in your home. No HUB or accessories required.

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1. Support 2.4GHz WiFi network. 2. Power input: AC 100-250V 50/60Hz, rated voltage: AC 220V 3. Power: 3840W 4. Wireless standard 802.11.n/g/h 5. Material: PC 6. Download and registration: Scan the QR code to download "Tuya Smart"APP from APP store or Google Play, launch Tuya Smart APP and follow the in-app instruction to register an account and connect the smart socket to your 2.4GHz wifi home network, you will be asked to provide your phone number during account registration in order to receive verification code. 7. Support LED indicator 8. Receiving sensitivity: -98dBm 9. PA output power: 19.5dBm 10. Size: 83x55x63cm Product Features: 1. Mobile phone remote control: When the mobile phone and the socket are connected to the Internet, the smart socket switch state can be remotely controlled through the mobile phone APP 2. Manual switch: Cycle the switch state by clicking the switch button on the socket 3. Timing function: mobile APP with timing control switch function 4. Electricity metering: real-time view of current, voltage and power on the app page 5. Online upgrade: When a new firmware version comes out, you can upgrade online in the APP to add more functions 6. Smart sharing: you can share your device with more friends 7. Scene light: LED has 8 built-in scene effect modes, you can manually adjust the color according to your preference

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1. Sonoff S31 is a compact size, US standard wifi smart plug with energy monitoring. 2. The universal smart power plug lets you wireless control home appliances via the app from anywhere at any time. 3. Donot worry that one S31 will take up two sockets' space of your power strip. 4. It's very convenient to use, just plug and play. 5. With the S31 smart outlet, you can keep track of real-time power of your home appliances on the App. 6. You can also measure electricity consumption for a specified period.

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1. WiFi smart socket, small and exquisite deign. 2. Scheduled on/off any electrical devices, live a care-free life. 3. Overload protection, more safety, preset a power/current/voltage threshold value, once it reaches the threshold value, the product will auto-turn off connected appliance. 4. You can set a scheduled timer to turn on your water heater remotely on a regular basic, have a comfortable hot bath to dispel the day's fatigue when you arrive home. 5. Overcharge will easily damage your battery, and may cause safety problem, with this smart socket, you can set 3 hours countdown timer for your charger. 6. It is a universal smart socket for all kinds of appliances, with eWeLink, you can wireless control your appliances from anywhere in the world. 7. Control appliances with your voice via Amazon Alexa and the Google Assistant.

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1. Support 2.4GHz WiFi network. 2. Power input: AC 100-240V 3. Max power: 2200W (resistive load) 4. Wireless standard 802.11.n/g/h 5. Working temperature: 0 to +50 Degree Celsius 6. Download and registration: scan the QR code to download "Tuya Smart"APP from APP store or Google Play, enter the register / login interface, input phone number for getting verification code to register or through other methods at the bottom of page connecting to related authorization interface to log in.

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1. WiFi remote control, switch at any time 2. Mobile phone APP remote control 3. Jack and USB ports can be controlled separately 4. Multi-device charging intelligent distribution of charging current 5. High temperature over-current protection 6. Support timing function 7. Wireless frequency: 2.4GHz 8. Input: AC 100-240V, 50/60Hz 9. Output: 13A Max 10. USB output: 5V/3.1A Max 11. Material: ABS+PC

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1. Support 2.4GHz WiFi network. 2. Max power: 2200W (resistive load) 3. Wireless standard 802.11.n/g/h 4. Working temperature: 0 to +50 Degree Celsius

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1. WiFi intelligent European standard patch panel 2. APP sub-control switch 3. Mobile APP remote control 4. Timing function 5. USB smart fast charge 6. 16A high current 7. The shell is made of PC flame retardant material, which is tough and durable. 8. The bottom is made of non-slip silicone, safe and convenient design 9. Maximum power: 3680W 10. USB output: 3.1A 11. Rated voltage: AC 230V 12. Product size: 22.9cm x 8.9cm x 3.9cm

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1. Control your devices from everywhere: control your plug turn on or off with your smart phone no matter where you are. Schedule your plug to turn on or off at specific time. Share the device to your family. 2. Schedule automatically: with the time setting function, you can turn on/off your appliance based on specific time; perfect for cooking or lighting at dawn and dusk. Come back home with bright light and your household appliances working. Schedule the air condition to turn on before you arrive. Sync lights and devices to preset times automatically. 3. Works with Alexa: compatible with Amazon Echo voice-control devices. Give commands such as "Alexa, turn on the coffeemaker when I woke up" without having to reach for the switch all across the house yourself. 4. Easy to use: no hub or subscription required. Plug in the mini smart socket, download the free app. Control your lights and appliances from your smart phone or tablet. 5. Mini simple design: do not take up space, much easier than finding each lamp's on/off switch on a cord behind a piece of furniture. A great device for automating a light switch. 6. Support 2.4GHz WiFi network. 7. Power input: AC 100-240V 8. Max power: 2200W (resistive load) 9. Wireless standard 802.11.n/g/h 10. Working temperature: 0 to +50 Degree Celsius 11. APP Support: Android 4.1 and iOS 8.0 or higher

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1. WiFi smart USB plug. 2. Support Alexa, Google Home voice control, free your hands. 3. Adopt 10A high-current push-button switch to avoid sparking when the switch is powered off when using a large power appliance. 4. The jack is made of integrated copper material. It can be inserted and removed 5000 times without loosening. Each jack can be controlled separately and fully controlled. 5. Two fast-charge USB jacks, support 2.1A fast charge, no longer worry about charging queue. 6. Material: ABS shell, integrated copper. 7. Rated power: 2500W. 8. Rated voltage: 110-240V. 9. Rated current: 10A/15A. 10. Plug-in line length: 1.5m.

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1. Control your devices from everywhere: control your plug turn on or off with your smart phone no matter where you are. Schedule your plug to turn on or off at specific time. Share the device to your family. 2. Schedule automatically: with the time setting function, you can turn on/off your appliance based on specific time; perfect for cooking or lighting at dawn and dusk. Come back home with bright light and your household appliances working. Schedule the air condition to turn on before you arrive. Sync lights and devices to preset times automatically. 3. Works with Alexa: compatible with Amazon Echo voice-control devices. Give commands such as "Alexa, turn on the coffeemaker when I woke up" without having to reach for the switch all across the house yourself. 4. Easy to use: no hub or subscription required. Plug in the mini smart socket, download the free app. Control your lights and appliances from your smart phone or tablet. 5. Mini simple design: do not take up space, much easier than finding each lamp's on/off switch on a cord behind a piece of furniture. A great device for automating a light switch. 6. Support 2.4GHz WiFi network. 7. Power input: AC 100-240V 8. Max power: 1100W 9. Wireless standard WiFi 802.11b/g/n 10. Download & registration: scan the QR code to download "Smart Life" APP, you can also search "Smart Life" in either APP store or Google Play to install the APP; open the "Smart Life" APP, tap "Register" to register a "Smart Life" account with your phone number or E-mail, then sign in the APP.

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1. Smart life system works with Alexa & Google Home 2. Mobile phone APP remote control 3. Easy to use: no hub or subscription required 4. Support 2.4GHz WiFi network 5. Power input: AC 110-250V 6. Download & registration: scan the QR code to download "Smart Life" APP, you can also search "Smart Life" in either APP store or Google Play to install the APP; open the "Smart Life" APP, tap "Register" to register a "Smart Life" account with your phone number or E-mail, then sign in the APP.

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1. Compatible with Alexa and Google Home to manage your devices. 2. RF switch is a Sonoff version with a 433MHz RF receiver module inside.This wireless switch can be used together with the RF remote controller, which enables you to control appliances in indoor environment. 3. The remote control switch allows users remote turn on/off connected appliances via app eWeLink from anywhere in the world. 4. Sonoff transmits data to a cloud platform through the Wi-Fi Router, which enables you to remotely control the connected appliances, via free eWeLink App. You can download the iOS version in App Store and the Android version in Google Play. The App eWeLink enables you to control your devices easily. 5. Share control with your family and friends. Also you can DIY set this buy yourself easy handling and can be activated immediately and stably. 6. Timing function: Another feature available if to set timing schedules for the appliances, which can include countdown, scheduled on/off . It's simple, giving you one less thing to worry about in your busy life.

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1. It is both a scene light and a socket. 2. The brightness can be adjusted remotely. 3. Freely adjust the RGB color mode. 4. Mobile phone remote control: When the mobile phone and the outlet are connected to the Internet, the smart socket can be remotely controlled by the mobile APP. 5. Manual switch: Cycle through/off status by clicking the switch button on the socket. 6. Timing function: The mobile APP has a timing control switch function, which can set multiple sets of timing. 7. Product material: PC. 8. WiFi: IEEE 802.11 b/g/n. 9. Output power: 2400W maximum. 10. Input current: 10A. 11. Product size: 58.5mm x 56mm x 33mm.

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1. WiFi smart scene light socket, plug in smart socket, make ordinary household appliances become smart. 2. Simple and compact body, desktop art. 3. Mobile phone remote control: When the mobile phone and the outlet are connected to the Internet, the smart socket can be remotely controlled by the mobile APP. 4. Manual switch: Cycle through/off status by clicking the switch button on the socket. 5. Timing function: The mobile APP has a timing control switch function, which can set multiple sets of timing. 6. Input voltage: AC 100-240V. 7. Maximum current: 10A. 8. Maximum power: 2500W. 9. Product size: 50mm x 53mm.

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1. WiFi smart scene light socket, plug in smart socket, make ordinary household appliances become smart. 2. Simple and compact body, desktop art. 3. Mobile phone remote control: When the mobile phone and the outlet are connected to the Internet, the smart socket can be remotely controlled by the mobile APP. 4. Manual switch: Cycle through/off status by clicking the switch button on the socket. 5. Timing function: The mobile APP has a timing control switch function, which can set multiple sets of timing. 6. Input voltage: AC 100-240V. 7. Maximum current: 10A. 8. Maximum power: 1100W. 9. Product size: 50mm x 53mm.

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Feature1. This aluminum heat sink is to cool down the board and make it operate safely2. Reducing the risk of hardware failure because of overheating. Various MOS tube3. Electronic Audio and Video, converter, circuit board, Power IC, Transistor etcSpecification1. Quantity of blade: 242. Material: Aluminum3. Color: Silver4. Blade thickness: 1mm5. Base plate thickness: 2mm6. Size: 150 x 60 x 25mm7. Package included:- 1 x Aluminum heat sink 150 x 60 x 25mm

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1. Two-wire car voltmeter + 5.0V USB charging combo2. High-performance, multi-purpose, intelligent and user-friendly design3. If you don’t need to enable the switch, just disconnect the pointed line4. Ultra-wide range of voltmeter: DC4. 5~40V5. The output current capacity of 5.0V, 2A is enough to meet various USB devices, and the voltage is very stable. This module is short-circuited by D+D- by default, which is compatible with most mobile phone charging, and reserves the installation position of various mobile phone identification resistors. , If you need to add identification resistance, please cut off the wire connecting D+ D-6. Purpose: Ultra-wide input voltage, can be used for cars, battery cars, motorcycles, used to monitor the battery voltage, timely grasp the battery status, can be used for various voltage measurement purposes7. Note: The power module will become hot during normal use. If you are mindful of this heat or are sensitive to heat, please take it carefully.8. Weight: 13g9. Size: 58x21x10mmModule performance and highlights:1. The output current capacity of 5V/2A (note: when the input voltage is 6.5~40V, the output voltage of 5.0V can be stabilized)2. With reverse connection protection, reverse connection will not burn3. With over-current and over-temperature protection4. With USB power indicator5. With wiring terminals, easy to access the line6. High efficiency, low rippleModule instructions:After the module is powered on, the voltage can be detected in real time. When you need to charge mobile phones, Ipads, MP3s and other digital products, just touch the "output enable" button. At this time, the USB power indicator lights up and the USB outputs 5.0V voltage; When you need to turn off the digital tube, touch the "low power consumption" button, and the module enters the ultra-low power standby mode, and the USB output is also turned off accordingly.

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1. Support I2C protocol2. With backlight power control, you can set whether to connect the backlight power through the jumper cap. Plug in the jumper cap to connect the backlight power, unplug the jumper cap to disconnect the backlight power3. The contrast can be adjusted. Rotate the blue potentiometer to increase clockwise and decrease counterclockwise. The potentiometer is designed on the front, which is convenient for customers to adjust freely anytime and anywhere4. Modules can be cascaded, up to 8 can be cascaded. Modify the device address by shorting A0/A1/A2. The default address is 0x275. Weight: 5g6. Size: 41.5x19x15.3mm8. Power supply voltage: 2.5-6v9. Note: LCD screen is not included10. Delivery list: one IC module (pearl cotton + anti-static packaging

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1. Input voltage: DC 3.2~40V2. Output voltage: 1.25~35V3. Output current: 3A4. Output ripple: Less than 30mv5. Switching frequency: 65Khz6. Working temperature: -45 to 85 degrees Celsius7. Size: 43x21x14mm8. Note: This is a step-down module, and the input voltage needs to be higher than the output voltage. The output current is greater than 2.5A (or the output power is greater than 10W), please add a heat sink to work for a long time

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1. Type: Voltage Regulator IC2. Conversion efficiency: 96%3. Features: High power, high efficiency, low ripple, with power indicator, free heat sink4. Module nature: Non-isolated step-down module (BUCK)5. Input voltage: 4-38V (please try not to exceed 38V for input)6. Output voltage: 1.25-36V continuously adjustable7. Output current: 0-5A8. Output power: 75W9. Working temperature: -40 to 85 degrees Celsius10. Working frequency: 180KHz11. Wiring mode: welding, V-IN is input, V-OUT is output12. Load regulation rate: Input 24V, output 12V, measured when the load changes from 1 to 4.5A13. Voltage adjustment rate: When output 12V, 4A, when the voltage changes from 18~32V14. Short circuit protection: Limit current 8A15. Over-temperature protection: Automatically shuts off the output after over-temperature16. Installation method: 2 3mm screws17. Application range: Step-down fields where the input voltage is higher than the output voltage, such as batteries, power transformers, DIY adjustable stabilized power supplies, 24V car pen meter power supplies, industrial equipment step-down, 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V, 36V to 24V, etc.18. Dimensions: 54x23x15mm

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1. Purpose: 3 digital audio power amplifier2. Output voltage: 8-24v3. Power amplifier type: Class D4. Output power: 20w5. Output impedance: 4-8 ohms6. Protection: output short circuit protection, overheating protection, function self-recovery7. Module size: 43x55x14mm

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1. Power supply current: 5A2. Input voltage: 5-32V3. Output voltage: 0.8-30V4. Switching frequency: 300KHz5. Working temperature: -40 to 85 degrees Celsius6. Size: 51x26.3x14mm7. Note: The IN- (input negative), IN+ (input positive), OUT- (output negative), and OUT+ (output positive) marked on the module must be connected correctly, otherwise the module may be damaged.Features:1. The module uses imported high-quality chips, with high efficiency (95% higher), and low heat generation, which can reach 5A current. At the same time, it cooperates with the original TI op amp to control the output current, so that the overall output is very stable.2. This module uses the original Sanyo filter capacitor with low ESR, which can make the ripple voltage as low as 50mV3. This module uses machine placement and reflow soldering. At the same time, each module undergoes a two-hour aging test before shipment to ensure high reliability.4. This module is an adjustable step-down module, and the output voltage can be changed by adjusting the blue adjustable resistor on the module. The input and output voltage difference is 1V, and the small voltage can output 0.8V.Battery charging method:1. Determine the float voltage and charging current of the rechargeable battery you need, and the input voltage of the module;2. Adjust the constant voltage potentiometer to adjust the output voltage to about 5V.3. Measure the output short-circuit current with the 10A current block of a multimeter, and adjust the constant current potentiometer to make the output current reach the predetermined charging current value;4. The default shipping current of the charging lamp is 0.1 times the charging current (constant current value).5. Adjust the constant voltage potentiometer to make the output voltage reach the float voltage;6. Connect the battery and try charging.(Steps 1, 2, 3, 4, and 5 are for the module input to connect to the power supply, and the output does not connect to the battery without load.)

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1. Applicable to various platforms such as 51/AVR/AVR/ARM2. Using high current relay, AC250V/10A, DC30V/10A3. Independent wiring of the contact part, safe and reliable4. Standard interface, which can be expanded on various development boards5. With fixing screw holes for easy installation6. Size: 138x56x19.3mm

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1. Features: Higher copper content, good heat dissipation performance, strong current stability2. Manufacturing process: SMT placement machine manufacturing, non-manual welding, higher yield rate, more stable performanceRemarks:1. A single-head printer requires 4 A4988 modules.2. A set of dual-nozzle printer requires 5 A4988 modules.4. Delivery list: A4988 module x 1, heat sink aluminum sheet x 15. Matters needing attention: Please do not plug and unplug the motor and drive when the power is on, which will easily cause the drive to burn out; also do not adjust the current when the motor is running. The correct way is to first disconnect the power supply, unplug the motor, and then power on again, adjust the potentiometer, and measure the voltage on the potentiometer until the measured voltage is the same as expected. Do not plug in the reverse drive, otherwise it will burn out the drive and even the motherboard

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1. Material: Aluminum alloy shell2. Power supply voltage: DC12-28V3. Power: 100W4. Input: DC+TYPE-C dual port input5. Support fast charge protocol: PD2.0 PD3.0 PPS, For Qualcomm QC4+/QC3.0, For Huawei SCP/FCP, For OPPO VOOC, For OnePlus DASH, For iOS 2.4A, For Samsung AFC, For VIVO 9V 2A dual engine, For MediaTek PE2.06. Features:Exquisite and small, the digital tube displays the current and voltage, can switch the display content intelligently, and has strong compatibility. After the fast charge protocol is activated, the digital tube will display the output fast charge protocol type.7. Weight: About 60 grams8. Size: About 5.3x4.6x2.1 cmInstructions for use:1. Withstand voltage within 32V, it is recommended to use within 28V. This module is a pure step-down module and has no boost function. If you want to use 20V output, you must use a DC power supply above 21V; low voltage can reach 6V, but 6V is mostly fast the charge will not be activated, and the output power of 100W can only be reached when the PD is output (PD20V, 5A)2. For low-voltage and high-current fast charging, please use the original data cable. If you want to measure the charging voltage and current, you must use a low-resistance USB meter, otherwise the charging current will be affected.3. OPPO and OnePlus mobile phones must use USB port for charging, QC4+/QC4.0/PD3.0 and other protocols must use TYPE-C port4. When the USB port and TYPE-C port are plugged into the mobile phone at the same time, both ports are 5V output

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OverviewThis is an OLED display HAT for Raspberry Pi, 1.3inch diagonal, 128x64 pixels, with embedded controller, communicating via SPI or I2C interface.Trying to add a control interface for your Pi? This compact display would be the ideal choice.Features1. Standard Raspberry Pi connectivity, compatible with and direct-pluggable onto Raspberry Pi 2B/3B/3B+/Zero/Zero W2. Optional interfaces: 4-wire SPI, 3-wire SPI, I2C, configured via onboard resistor3. 1x joystick (5-position), 3x pushbuttons, handy and useful4. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)Specifications1. Driver: SH11062. Interface: 4-wire SPI, 3-wire SPI, I2C3. Display color: blue4. Resolution: 128x645. Operating voltage: 3.3V

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Overview1. The PCF8591 AD DA Board features an 8-bit A/D Converter & D/A Converter PCF8591 with four analog inputs, one analog output and a serial I2C-bus interface.2. The PCF8591 AD DA Board features I2C pinheader on one side, and I2C connector on the opposite side. Hence, it's more flexible to connect the board to your development system. The board also supports I2C cascading, allowing the use of multi module connected to the I2C bus at the same time by connecting the pinheader and connector.FeaturesPCF8591, I2C pinheader, I2C connector, Adjustable resistor, Analog input for A/Dconversion, Analog output for D/A conversion, Address pins jumper

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OverviewThis low power audio module is based on WM8960, supports stereo encoding/decoding, supports sound recording, what's more, it can directly drive speakers to play music.Features1. Integrates high-quality MEMS silicon Mic, supports sound recording2. Onboard standard 3.5mm 4-segment earphone jack, allows sound recording via external earphones with Mic3. Onboard dual-channel speaker interface, directly drives speakers4. Supports common audio sampling rates such as 8/11.025/22.05/44.1/48KHz, etc.5. Supports sound effects such as stereo, 3D surrounding, etc.6. Comes with development resources and manual (STM32 examples for playing, recording)Specifications1. CODEC: WM89602. Operating voltage: 3.3V3. Control interface: I2C4. Audio interface: I2S5. Audio format: WAV6. DAC signal-noise ratio: 98dB7. ADC signal-noise ratio: 94dB8. Earphone driver: 40mW (16Ω@3.3V)9. Speaker driver: 1W per channel (8Ω BTL)

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Overview1. The Analog Test Board is an accessory board includes an onboard Audio Power Amplifier LM386M, and two high-precision adjustable resistor used for adjusting input voltage level (0-3.3V, 2 channel), and a speaker for indicating the output voltage level by sound volume (1 channel).2. The board is ideal for testing AD/DA function that integrated in the MCUs, it also supports MP3 output, music playing, etc.FeaturesLM386M, speaker, high-precision adjustable resistor × 2, analog input/output

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Overview1. This is a small 1D/2D codes reader, by using the intelligent image recognition algorithm, it will decode the barcode or 2D code on paper or screen, fast and accurately.2. Through the onboard USB and UART interface, it can be directly plugged into a computer, or be easily integrated to kinds of devices due to its small form factor.Features1. Easy to use, requires no knowledges of image recognition2. Decodes various common 1D/2D codes such as Barcode, QR code etc.3. Onboard micro USB and UART serial port, allows to connect with computers or embedded devices4. Configurable via scanning 'configuration code'5. Onboard light source, works in the darkSpecifications1. Operating voltage: 5V2. Operating current: 135mA (scanning), 58mA (standby), 2mA (sleep)3. Operating temperature: 0°C~60°C4. Operating humidity: 5%~95% (Non-condensing)5. Communication interface: UART, USB6. Decodes 1D codes: Codebar, Code 11, Code 39/Code 93, UPC/EAN, Code 128/EAN128, Interleaved 2 of 5, Matrix 2 of 5, MSI Code, Industrial 2 of 5, GS1 Databar(RSS)7. Decodes 2D codes: QR code, Data Matrix, PDF4178. Light source: white9. Scan angels: roll 360°, skew ±65°, pitch ±60°10. Field of view: 28° (horizontal), 21.5° (vertical)11. Dimension: 53.3mm x 21.4mm12. Package contents:- Barcode Scanner Module x1- USB type A plug to micro B plug cable x1- PH2.0 4Pin x1

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Features1. 3W high-power 850 infrared LED2. Onboard photoresistor, the ambient light detector3. Onboard adjustable resistor, for controlling the ambient light threshold of toggling the infrared LED4. Allows adding night vision function to cameras which feature embedded infrared filter :a) 100 degree field of view, two pieces of LED is required to get wider field of viewb) Supported devices : RPi Camera (E), RPi Camera (F), RPi Camera (H)How to Use1. Connect the Infrared LED Board to the camera PCB by screws2. The screw holes are used for both attachment and power supply3. Adjust the adjustable resistor to set a proper ambient light threshold, which toggles the infrared LED automatically4. When ambient light is lower than threshold value, the infrared LED is on, vice versaNote :1. Limited by the Raspberry Pi power supply, the 3W high-power infrared LED might cause the Pi to increase heating, heat sinks are suggested.2. Ideal imaging distance is within 3m. When the distance goes up to 6m, the night vision camera can just capture blurry outlines.

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Raspberry Pi Expansion Board, DC Motor / Stepper Motor DriverFeatures1. Supports Raspberry Pi A+/B+/2B/3B/3B+2. Freescale H-bridge driver MC33886, controls DC motors to turn in both directions3. Onboard 5V regulator, provides power to Raspberry Pi4. Onboard IR receiver, used for remote control robot5. Multi protection circuit, excellent stability- 2A self-recovery fuse, keep your Pi safe- Driver chip features Short-Circuit Shutdown for Large Output Current, Undervoltage Disable Function- Reversed polarity protection for motor output- Anti-reverse diode for power supply6. Power input range: 7V~40V7. Single motor output current: up to 5A8. Power supply current for Raspberry Pi: up to 2AWhat's on Board1. Raspberry Pi Expansion Board on board resource2. Raspberry Pi GPIO interface: for connecting Raspberry Pi3. Motor screw terminal: for connecting motors4. External power input5. 74LVC4245AD: voltage level conversion chip, buffer device6. MC33886: motor driver chip7. LM2596-5.0: 5V regulator8. Power indicator9. Raspberry Pi power selection10. OFF: Raspberry Pi powers the Motor Driver Board11. ON: Motor Driver Board powers the Raspberry Pi12. 2A self-recovery fuse13. IR receiver14. Schottky diodes: protects the motor driver15. Power supply anti-reverse diodePackage Contents1. RPi Motor Driver Board x 12. RPi screws pack (2pcs) x 1

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Overview1. This is a 4 port USB hub for Raspberry Pi, provides more USB capability to your Pi, whats more, it features USB to UART converter for easy serial communication.2. It can work with various versions of the Pi, and the size of the board is designed to perfectly fit the Zero / Zero W.USB HUB HAT Features1. 4 USB Ports, compatible with USB2.0/1.12. Onboard USB to UART, convenient for Raspberry Pi serial debugging3. Onboard multi indicators, for monitoring the status of power, USB to UART, and each USB portWhat is on the USB HUB HAT1. Raspberry Pi GPIO interface: For connecting Raspberry Pi2. USB to UART: For controlling the Raspberry Pi via serial terminal3. USB HUB interface (bottom): For connecting the HUB to the Raspberry Pi USB port- Raspberry Pi Zero / Zero W: Connected via Micro USB connector- Raspberry Pi B+ / 2B / 3B / 3B+: Connected via Micro USB cable4. USB extended ports: USB1~USB45. USB port indicators: dedicated indicator for each USB port, D1~D4 for USB1~USB4 respectively6. Power indicator7. USB to UART indicator8. FE1.1S: USB HUB chip9. 12MHz crystal10. CP2102: USB to UART converterSpecifications1. Operating voltage: 5V2. Dimension: 65mm * 30mm3. Mounting hole size: 3.0mm4. Package contents:- USB HUB HAT x1- Micro USB connector x1- Micro USB cable x1- RPi screws pack (2pcs) x1

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