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A project log for Trinket Pro Multi-Readout Multimeter

This portable device gives a live read-out of current and voltage between your DC power source and your load! (max 26V DC, 3.2 A).

John117John117 12/23/2014 at 04:540 Comments

After getting the Trinket, LCD, and INA219 to work on a bread board I drew up everything on Fritzing so I had a reference should anything go wrong whilst transferring onto a permanent proto-board.

I intentionally soldered on female pins so that:

1. All components could be easily replaced should they fail.

2. Components could be upgraded such as the LCD from size 16x2 to 20x4.

3. I could remove and use the components for other concurrent projects to save money.

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