No matter what the application is, when a definite-purpose solution is required, time delay relays (TDRs) can provide simple, reliable, and economical control. Adjusting the delay time is often as ...

Two tiny ICs and a few passive components can yield a capacitive proximity sensor with excellent sensitivity and extremely fast response time. The circuit’s operation leverages the pulse-front-edge ...

A Homebridge accessory that acts as a delay switch with countdown timer functionality. The remaining time is displayed in the Apple Home app via a Fan accessory using the RotationSpeed characteristic ...