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 ...

Use the potentiometer for setting the timing period within these intervals. For the 0.3 second to 10 minutes timer version the potentiometer is 100kΩ, R1 = 9.1kΩ, R2 = 910kΩ, R3 = 220kkΩ and C1 = ...

The TRS-TD series off-delay timer relay replaces the functionality of bulky, costly, and inaccurate pneumatic time-delay relays and does not require a trigger switch or application of continuous input ...

The T2R-M series multi-mode timer relays provide 4 functions in one unit including on-delay, off-delay, interval and single-shot with timing ranges of up to 1000 minutes. The T2R-ND on-delay, T2R-FD ...