In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...

The Elektor LoRa Switch has a nice relay board that can easily be used in Wi-Fi networks if you replace the LoRa part by Wi-Fi. You then get a Wi-Fi Switch. In the March-April 2020 edition of Elektor ...

Waveshare ESP32-S3-Relay-6CH is a 6-channel WiFi and Bluetooth relay module based on Espressif Systems ESP32-S3 wireless microcontroller that also supports RS485 control and comes with headers taking ...

* This sketch is running a web server for configuring WiFI if can't connect or for controlling of one GPIO to switch a light/LED * Also it supports to change the state of the light via MQTT message ...

We have received the Seeed Studio 2-Channel Wi-Fi AC Relay for review. It is an IoT/Smart Home device featuring a 2-channel relay (wet contact) that operates over a WiFi network, and provides an ...

This cost-effective 433MHz wireless relay switch circuit allows remote relay control using an RF transmitter and receiver module. It is ideal for scenarios where wired connections are impractical or ...