The Ohmmeter 2.0 displays resistor band colors


The Ohmmeter 2.0 displays resistor band colors

Arduino TeamFebruary 2nd, 2021

Bands on through-hole resistors conveniently indicate their value at a glance. On the other hand, you have to actually know the code to interpret this meaning. Alternatively, you could use the Ohmmeter 2.0 — developed by Miguel Alejandro Ramírez Anaya and José Miguel Galeas Merchán from the University of Málaga in Spain.

Their Arduino Mega-powered device has three modes. First, it enables you to enter resistor value with a keypad and then displays the corresponding resistor colors on a large resistor model via RGB LEDs inside. You can also input the color values directly using the keypad along with a small OLED screen. Last but not least, the Ohmmeter 2.0 can even measure a component’s resistance through a pair of terminals, replicating color values on the 3D model.

You can find more details on the students’ Ohmmeter 2.0 here and see it in action below.

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