The relay module acts like an electronic switch that isolates and safely controls the AC side of the circuit. Each relay channel on the module has input control pins connected to one of the GPIO pins ...

Control home appliances with IR remote. Control home appliances with manual switches or push buttons. Monitor real-time room temperature in the Blynk IoT App; Monitor real-time feedback in the Blynk ...

This Blynk ESP32 control smart relay has the following features: Control home appliances with WiFi (Blynk IoT app). Control home appliances with Blynk web dashboard. Control home appliances with ...

Seeed Studio has recently launched a 2-channel Wi-Fi AC relay built around the XIAO ESP32C3 WiFI and Bluetooth module. The device is a simple WiFi relay module that can control two independent ...