This TTL circuit was found in a 1978 technical documentation. The power must be supplied with 5 V. It converts ASCII characters to hexadecimal.
This programmable circuit emits a signal that can be sensed by the dog at a distance. The circuit is...
Based on a CA3059 zero-cross switch, this circuit was found in the July 1995 Electronics Now...
This source provides a 1.5V voltage used in the power supply of model aircraft spark plugs. The...