The purpose of this circuit based on Maxim's MAX9022 is to find faults in multiple cables. The circuit provides an audible signal on a buzzer being powered by 3 small or AAA batteries.
This lamp flasher configuration using an astable multivibrator is from a 1968 publication. The...
When the voltage in the circuit exceeds the value set in the trimpot, the LED goes off and, if a...
The maximum input voltage of this circuit is 20V and the output current is 250 mA. The circuit is from...