JK 4037 Flip Flop with Reset (CB25121E)

We found this circuit in the April 1988 issue of Radio Electronics magazine. The circuit can be reset electronically.

Wideband Amplifier (CB24241E)
This circuit was suggested by Texas Instruments in the January 1973 issue of Radio Electronics magazine....
Unijunction transistor sequential timer (CB21400E)
This circuit was found in Motorola documentation from 1968. Transistors can be modern equivalents, just...
Breakout board for DC motor reversal (CB23714E)
To invert the rotation of a motor by changing the levels of an Arduino output or another...