This circuit activates a relay after a time given by C1 and R1. The circuit is from a Radio Electronics from December 1974. The relay voltage is the same as that used in the power supply.
With this device, ultrasounds captured by an appropriate microphone are converted into sounds and...
This circuit suppresses the hiss or thermal noise that occurs in the amplifiers in the absence of a...
June 2016 - Mouser Electronics is providing the controller with N-channel MOSFET for IGBTs and...