Pickering is launching the industry’s smallest two pole DPST (double-pole, single-throw) reed relay for test and measurement systems.

Waveshare has recently launched the Pico-DALI2 expansion module for ESP32-Pico series boards designed to enable DALI communication for customized control of multiple lighting groups. It is compatible ...

The traffic light is controlled by a Raspberry Pi the Bitlair folks had lying around attached to a spare traffic light they somehow obtained with a relay. Green means the Raspi can reach 8.8.8.8 ...

Basically it uses an analogue circuit to monitor an audio signal and triggers some camera flashes using 5V relays. The idea is that you can play lightning strikes and other spooky sounds ...