Make a 7 IN 1 Multifunction Tester

This little gadget is very useful for electronics hobbyists. It can measure the following parameters:

  1. Voltage

  2. Current

  3. Power

  4. Energy

  5. Capacity

  6. Temperature

  7. Run Time

Materials Used:

1.Electrical Parameter Tester: Amazon

2. Binding Post: Amazon

3. 9V Battery: Amazon

4. 9V Battery Clip: Amazon

5. Switch: Amazon

6. MDF Sheets ( 3mm ): Amazon

7. Heatshrink Tube: Amazon

8. Wire: Amazon

Wiring Diagram

Real Testing

I tested the meter by connecting a 3W LED as a load and 12V battery as a source.

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