This experimental monostable CMOS circuit, activating an LED was found in a documentation from the 1980s. It is recommended to connect in series with the LED a limiting resistor of 470 ohms or more.
This is the receiver circuit for the previous transmitter. The range of the system can reach 100...
In this game, whoever tightens the sensors, which are metal bars or spent batteries, makes the...
This circuit is from an ancient American documentation. The T-Bridge circuit determines the...