What is the point of reviewing a cheap timer module, especially if it is based on the ubiquitous 555 timer chip? Recently I got an ‘updated’ version of the common 555 timer relay module. This time it ...

Motion sensor circuits are there on the Internet for quite a while now. These circuits are mainly used to drive AC load (like lights, fans) in home automation or IoT projects. It is also very common ...

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 ...

a modified transformer with output capability more than 700 watts in power. low voltage output side should be 4-5 volts and have thick wire coil windings up to 16mm2 copper conductor cross sectional ...

The ESP32 WiFi-enabled relay is a proof-of-concept project that allows the user to control multiple AC sockets connected to relays by either a physical button, web interface on a browser, repeating ...

IN - This pin is also called the control pin because it is used to control the output of the relay. COM - is connected to the device you intend to connect. NC - terminal is connected to the COM ...

This user manual provides detailed instructions for using the Timer Relay Module (FRM01).