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Smart Electronics 24-hour timed 5 time periods real time relay module clock control/delay and clock synchronization module

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Smart Electronics 24-hour timed 5 time periods real time relay module clock control/delay and clock synchronization module

24-hour timed 5 time periods real time relay module clock control/delay and clock synchronization module
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Smart Electronics 24-hour timed 5 time periods real time relay 

module clock control/delay and clock synchronization module

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L298N motor driver board module intelligent vehicle robot accessory H-bridge drive stepper motor driver

DC-DC Step Up Converter Booster Power Supply Module Boost Step-up Board MAX output 28V 2A MT3608

LCD1602 yellow-green screen 1602A lcd display blue

69.5*21.8*17.8 weighs about 30 grams

HC-SR501 Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module

Automatic induction: When someone enters its induction range, enter the high level, people leave the sensor range is automatically delayed off high. Output low. 2. photosensitive control (optional): the module reserved for location, can be set to photosensitive control, strong light during the day or not induction. Photosensitive control is optional, the factory did not install photosensitive resistor. If necessary, please buy a separate photosensitive resistor to install.

Smart Electronics ESP32-CAM WiFi WiFi Module ESP32 serial to WiFi ESP32 CAM Development Board 5V Bluetooth with Camera Module

ESP32-CAM WiFi WiFi Module ESP32 serial to WiFi ESP32 CAM Development Board 5V Bluetooth with Camera Module The ESP32-CAM has a very competitive small-size camera module that can operate independently as a minimum system, measuring only 27*40.5*4.5mm, with deep sleepcurrent and a minimum of 6mA. ESP-32CAM can be widely used in various IoT applications. It is suitable for home smart devices, industrial wireless control, wireless monitoring, QR wireless identification, wireless positioning system signals and other IoT applications. It is an ideal solution for IoT applications.

DC 30W adjustable booster module LM2587 outperforms the lm2577 in power 5A

Smart Electronics ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board

ESP32 WIFI BLE Single/Dual 4/8 channel Relay Module ESP32 Secondary Development Board

Smart Electronics GSM module, SIM808 Module with GPS antenna GSM GPRS GPS development board

GSM module, SIM808 Module with GPS antenna GSM GPRS GPS development board This module is 5-12V power supply, when the power supply is less than 9V, 2A DC is required. The other power supply port is 3.5-4.2V, suitable for lithium battery power supply. The computer can debug USB-TTL. Suitable for portable. Two sets of antenna SMA ports, GPS and GSM antennas are provided.

Smart Electronics IPS 0.96-inch TFT display IPS LCD screen 0.96 "st7735 IPS display screen 0.96 inch LCD Module

IPS 0.96-inch TFT display IPS LCD screen 0.96 "st7735 IPS display screen 0.96 inch LCD Module

Raspberry pi zero camera module OV5647 500W RPI zero v1.3 camera

5 million pixels Light-sensitive chips OV5647 Camera parameters: The CCD size: 1/4 inch Viewing Angle (Diagonal) : 72.4 degrees The best pixel sensor: 1080 p Static image resolution is 2592 x 1944 Support 1080 p30, 1080 p60 and 720 x480p60/90 video footage Overall size: 60 mm x 11.5 mm x 5 mm

Smart Electronics 4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board For 14.8V 16.8V Lipo Cell Module

4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board For 14.8V 16.8V Lipo Cell Module 4 string 16.8V 40A lithium battery protection board (comes with recovery function-AUTO Recovery) Scope: Nominal voltage of 3.6V, 3.7V lithium battery (including 18650,26650, polymer lithium battery) Product Size: 45 * 55 * 3.4mm (Standard Edition / Enhanced), 46 * 60 * 3.4mm (balanced version) Product weight: 9.3g (standard / enhanced version), 10.3g (balanced version) Charging voltage: 16.8V - 18.1V

2x6W DC 5V 3.7V speaker modified Stereo Bluetooth amplifier board can connected lithium battery with charge management A8-020

100% Brand New Size: 7x4x0.7cm Conversion:1cm=0.39inch /1 inch =2.54cm

DC-DC XL7015 module 5V-80V 0.8A Dc converter Step-down module Wide voltage input better than XL7005A

Smart Electronics JDY-08 blue tooth 4.0BLE low-power CC2541 master-slave integrated support airsync iBeacon module

JDY-08 blue tooth 4.0 BLE low-power CC2541 master-slave integrated support airsync iBeacon module

Universal Wireless Charging PCBA Coil Charging Pcb Circuit Board Qi Wireless charger receiver module

Smart Electronics DIY HIFI M18 Stereo Wireless 4.2 MP3 Audio Receiver board Module Decoder Board MH-M18

DIY HIFI M18 Stereo Wireless 4.2 MP3 Audio Receiver board Module Decoder Board MH-M18 This product MH-M18 is a low-power Bluetooth design solution that supports the latest Bluetooth 4.2 transmission, supports Bluetooth automatic reconnection technology, and supports dual channel stereo lossless playback. After the module is connected to Bluetooth, it can quickly achieve Bluetooth wireless transmission, which is very convenient. In an open environment, the Bluetooth connection distance can reach up to 20 meters. Widely used in various Bluetooth audio reception, various audio DIY modifications, etc.

New Arrival Raspberry Pi 3 Model B+ Wide Angle Camera 5MP Adjustable-focus Mini Vision Video Camera module

Temperature (Operation): -20°C to 70°C Temperature (Stable Image) : 0°C to 50°C Focus :Fixed Object distance:30CM-∞ Resolution: 800LW/PH (Center) Working power supply : 3.3v(pin15) Operating system: for Raspberry Pi Certifications :FCC and CE Sensor Type: OV5647 (1/4” ) Active Array Size : 2592*1944 Sensitivity: 600mV/Lux-sec F/No: 2.35 EFL: 1.55 mm BFL(Optical): 3.1mm FOV: 160° TV Distortion :<14.5% Relative Illumination (Sensor) : 70% IR Filter : 650±10nm

GY-530 VL53L0X Laser Ranging Sensor ToF Ranging Time of Flight Ranging Sensor Module

Smart Electronics PAM8403 Wireless Stereo Audio Receiver Module For Digital Amplifier Sound Loud Board Micro USB BlUETOOTH 4.0 3W+3W

PAM8403 Wireless Stereo Audio Receiver Module For Digital Amplifier Sound Loud Board Micro USB BlUETOOTH 4.0 3W+3W 1. Working voltage: DC 5V 2. Output power: 3W+3W 3. Speaker type: 3W*2 4-8ohm 4. Mounting Hole: 3.0mm Features: Mini design, sound loud and clear, strong sense of hierarchy, ultra-small size, simple installation, wide application range, low prices, quality and stability

GY-291 ADXL345 Digital Three 3 Triple Axis Sensor Acceleration Module IIC SPI Replace ADXL335

1. Adxl345 digital three-axis acceleration of gravity tilt module Ar code iic / spi. 2. Name: the adxl345 module (three-axis acceleration of gravity). 3. use the chip: the adxl345. 4. power supply :3-5v. 5. means of communication: the iic / spi communication protocol. 6. measuring range: ± 2g ± 16g. 7. schematics, manuals and reference documentation of relevant data. 8. 51, the avr, the Ar microcontroller test code. 9. 3-axis, ± 2g / ± 4g / ± 8g / ± 16g.
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