Smart Kits Mini Drill Speed Controller Kit, 4-26V DC
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Description
The Smart Kits Mini Drill Speed Controller Kit is an easy-to-build, stabilised power supply designed specifically for hand mini drills. It allows makers and hobbyists to regulate drill speed smoothly without losing power when meeting resistance in tough materials. Ideal for electronics enthusiasts and workshop builders, this DIY circuit provides stable, adjustable DC power for precision drilling projects.
Consistent drilling performance
This stabilised circuit ensures that the operating speed of your mini drill is not affected by the hardness of the material being drilled. It delivers smooth control and consistent torque during detailed drilling tasks.
Dual potentiometer adjustments
The board features two integrated potentiometers to let you fine-tune both output voltage and sensitivity according to the task at hand. The circuit is designed around the reliable L200 voltage and current regulator IC.
Power and electrical ratings
The controller supports an adjustable output voltage range of 4 to 26V DC with an output current of 3 to 5A. It operates from a 20V AC input supply using a suitable 20V AC / 3A transformer on a compact 50 x 100 mm PCB.
Specifications
| Regulator IC | L200 |
| Output Voltage | 4-26VDC |
| Output Current | 3-5A |
| Input Voltage | 20VAC |
| Transformer | 20VAC/3A |
| PCB Dimensions | 50x100mm |
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