This circuit was obtained from a Linear Technology manual from the 90's. The integrated circuits are from the time and could possibly be tested as modern equivalents.
This simple bridge circuit can be used for impedance or resistance measurement using a high...
This circuit can source up to 1,000 V from a 9 V battery. Output current is very low, some...
The figure shows how to change the frequency of a 5 V LED blinking. The capacitor can have other...