MINI DRILL SPEED CONTROLLER
easy to build stabilised special power supply for all the hand mini drills.
A useful project that lets you adjust the speed of your mini drill according
to the job at hand.The speed is not affected by the hardness of the material
you drill.The output voltage and sensitivity can be adjusted by two potentiometers.The
circuit is built around the well known regulator IC L200. Output voltage:
4-26VDC. Output current: 3-5A. V 20VAC T 20VAC/3A PCB