This circuit is from an 80's Radio Electronics. The circuit has several output options for 50 mA currents with load indicator through LEDs.
In a bistable circuit, as shown in the figure, we use two sensors. When one of them is touched, the...
The circuit is from a Radio Electronics from August 1989. The cells used at that time did not have...
Motorola's LM13600 integrated circuit is not very common today. The input voltage is 10 mV. We...