Relay driver (CB20549E)

Found a documentation on PCs from 1996, this circuit can be used as a shield. The relay is rated at 100 mA of coil current.

Rocket launcher (CB7158E)
Found in 1980s Radio Electronics, this circuit triggers the ignition of a rocket after the...
Motor Driver (CB12765E)
With this step the motor is energized when the TTL or CMOS input is high. Motors up to 1 amp and...
Transistorized Oscillator (CB18944E)
This oscillator is from a European publication from the 1980s. The signal generated is of low...