For experiments with a disk rotating at various speeds, the April 1998 Electronics Now magazine suggests this PWM motor control. The current with the LM317 is 1.5A maximum.
This short-range FM transceiver uses a headset to listen. We found the circuit in a Japanese...
This UHV generator circuit or ultra-high voltage was found in a 90s Electronic Engineering 90s. The triac...
Using this circuit a low current switch can be used in the control of heavy duty loads, powered...