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 ...

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 ...

The 859 Series DIN-rail timer relay module offers on-/off-delay timer modes and multiple time ranges for applications such as switch and package de-bounce sensors. Untraditionally, the 6-mm components ...

WAGO Compact, User-Configurable 859 Series offers on/off-Delay timer modes and multiple time ranges. WAGO Corporation introduced its 859 Series of Timer Relay Module that offer on-/off-delay timer ...