Open Green Energy

Multifunction Tester

In this post, I  will show you how to make a multifunction tester which 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

You may checkout my project DIY Arduino Multifunction Energy Meter V2.0

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.