Week 2-Assignment :Build a Magnetic Stirrer

Assignment ：Builda Magnetic Stirrer.

Components:

1.1 Fan

2.2 Permanent magnets

3.1 Potentiometer 100 ohm 2W

4.1 Power switch

5.1 Power jack

6.1 Power supply

7.1 Green LED

8.1 470 ohm resistor

9.1 Magnetic stirring rod

10.4 Rubber feet

Steps:

1.Use “CorelDRAW” to Designthe plan ofMagnetic Stirrer.

2.Cut it into shape with laser cutting machine.

3.Design the wiring scheme of the stirrer

4.Connecting circuit.

5.Assemble theStirrer.

6.Finished.

Look！It is working!