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 ...

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 ...

The ORP Remote Relay Module is a SVXLink module to add features to OpenRepeater/SVXLink to control relays by DTMF tones remotely. It based on code forked from Module-Remote-Relay by F8ASB but modified ...

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 ...

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 electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...