DC Digital Multimeter V1.0

Developed for use with the Arduino Mega, a 16x2 LCD display, and a 12 mm push-button panel.
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updated April 7, 2025

Description

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This is a prototype 3D model of a multimeter, developed as part of a personal project and published on the Arduino Project Hub. On the project page, I share suggestions for improving its design. Although the model works well, there is still room for optimization.

In the Arduino section, I mention possible improvements, such as reducing the thickness of the design or adding a 45° tilted stand. Additionally, the 3D model can be modified to be compatible with the Arduino Nano or UNO.

One detail that could be improved is the placement of the screw holes on the 12mm button panel and the LCD screen. However, the LCD screen is designed for snap-on mounting, and the screw holes work relatively well. As for the three-button panel, it has a plastic support at the bottom to ensure that the button panel doesn't fall off.

This model is version 1.0, and I would love for the community to adapt and improve it according to their needs.

The Arduino project can be found at:
https://projecthub.arduino.cc/el_estudiantedeingenieria/how-to-make-a-dc-multimeter-your-magnifying-glass-for-electricity-educational-multimeter-b5b404

Multimeter operation video

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Model origin

The author marked this model as their own original creation.

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