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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