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 ...

Waytek has added Vehicle Control Modules to an expanding line of solid state timer relay modules. VCMs are solid state timer relay modules with a standard automotive relay terminal format. They are ...

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 ...

WAGO Corporation's 859 Series DIN-rail Timer Relay Module offers On-/Off-Delay timer modes and multiple time ranges for diverse applications such as switch and package "de-bounce" sensors. Unlike ...

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 ...

What is MQTT Relay Module Timer? This is a simple program that responds to MQTT requests by adding more seconds to a countdown timer. In its concept, it's just replacing a mechanical countdown timer ...

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 ...