This circuit is from 1999 documentation. The integrated circuit used is not very common today. Both transistors are used if the motor current is greater than 500 mA.
This monostable circuit uses one of the two flip-flops available on the CMOS 4098 integrated...
This crystal-controlled oscillator generates a 1 MHz rectangular signal and can be used as a time...
Suggested by a 90’s Radio Electronics, this circuit automatically activates the recording switch of an...