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Drill Speed Regulator(IRFZ44N)

2017-08-10 04:04  
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This article describes the Drill Speed ??Regulator (IRFZ44N). The principle is very simple, very practical. The circuit components can help you understand better grasp this principle. For example, in this circuit, you can go to find and buy these components: IRFZ44N.

A mini-drill machine is always needed in drilling the printed circuit board. It is usually powered by batteries that limit the drill’s capacity.Using a power supply adaptor with a speed regulator like the one featured here can certainly improve the performance of the drill.

The speed regulator can maintain the speed of the drill no matter what load is encountered by the drill.Potentiometer P2 controls the speed of the mini-drill. P1 sets the maximum voltage allowed by the mini-drill.

Figure:1 Drill speed regulator circuit schematic

Figure 1 Drill speed regulator circuit schematic

Caution! Danger of electrocution!
Extreme shock hazard. You are working a line voltage of 220 Volts AC.

Figure:1 Mini-drill speed regulator PCB

Figure 2 Mini-drill speed regulatorPCB

Figure:1 Mini-drill speed regulator PCB

Figure 3 Mini-drill speed regulatorPCB



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