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 ...

AutomationDirect offers the new AD-70-STM-1 Socket Timing Module for use with voltages from 24 to 240V AC/DC and converting either the 783 or 784 series relays to time-delay relays. Module allows user ...

A relay module is an electrical component. Various industries use this circuit board that houses one or more electric switches or relays in different circuits and electrical projects. Relay boards are ...

The program switches relay 1 and 2 alternately on and off with a period of overlap where both relays are on. The LEDs indicate active relay and, in the period of overlap, which relay will become ...

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 ...

Waveshare RP2350-Relay-6CH is a Raspberry Pi RP2350-based industrial 6-channel relay module with an isolated RS485 interface, 7 to 36V DC input via a terminal block, and support for Raspberry Pi Pico ...

The project uses a DIY PIC16F628A breadboard module and I/O board to build from scratch an old PIC based digital timer along with the source code. The project uses a DIY PIC16F628A breadboard module ...