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Below is the V4.0 schematic borrowed from GitHub (https://github.com/IOT-MCU/ESP-01S-Relay-v4.0/blob/master/ESP-01S%20Relay%20v4.0.pdf). Some key points to note are: The 5V relay (SRD-05VDC-SL-C) operates from the regulated 3.3V DC supply This V4.0 module has three 10KΩ pull-...
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The four-channel relay module contains four5V relaysand the associated switching and isolating components, which makes interfacing with amicrocontrollerorsensoreasy with minimum components and connections.There are two terminal blocks with six terminals each, and each block is shared by two relays....
Seamlessly integrates with 3.3V and 5V signal systems Features: |Relay Driver Ic| **Advanced Relay Control for Efficient Projects** The Sainsmart 1-channel relay module is a crucial component for any project that requires precise electromechanical relay control. With its optocoupler isolation, this ...
3 1N1-1N4 interchange relay control interface by microcontroller IO port Package Includes: 1 x 5V 4 Channel Light LED Relay Module for Arduino PIC ARM DSP AVRRaspberry Pi Our advantages: Factory OEM supported Short time delivery Flexible payment ...
This is a 5V 4-Channels Relay module, It can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and MSP430. 4 relays are included in this module, with “NC” ports means “Normally connected to COM” and “NO” ports means “Normally open to ...
(5V or 3.3V) normally open contact closure Indicator: Onboard relay indicator (red) for status feedback Safety: Overload protection relay for secure operation Features: **Versatile Control for Smart Home Projects** The 4 channel 5v relay shield module is a versatile addition to any Arduino ...
This USB/Wireless Relay Module allows computer control switching of external devices by using the USB port of your computer!Meanwhile, It has a wireless extension port, can work with XBEE or Bluetooth Bee or Wifly Module, which mean now you can control your device by zigbee or Bluetooth or ...
Key attributes Other attributes Model Number 2 Channel Relay Module 12v Place of Origin China Brand Name NA Packaging and delivery Selling Units: Single item Single package size: 1X1X1 cm Single gross weight: 0.050 kgLead timeRatings & Reviews...