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NodeMCU ESP8266 V1 Board ESP-12E WiFi module is the latest version of this popular module and can be used as a WiFi-enabled replacement for an Arduino in many applications
Embedded systems development and prototyping
ideal for space-constrained and battery-powered projects
Arduino wireless remote control projects
4 Channel Relay Module 5V — Arduino Compatible Soldering Wire 100g NodeMCU ESP8266 V1 Board ESP-12E4 Channel Relay Module 5V Quad Channel Relay Board The 4 Channel Relay Module 5V allows you to independently control four high voltage AC or DC loads from a single microcontroller. Whether you're building a smart home controller, an automated greenhouse, or an industrial control system, this module gives you four independently switchable SPDT relays in one compact board. Technical Specifications Parameter Value Number of Channels 4 Control Voltage 5V
US$ 36.00
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