Most Arduino boards have an ADC chip with a 10-bit resolution that can output values from 0 to 1023. Popular boards like the Arduino Uno, Nano, Micro, and Mega are great examples of this.

In total, there are over 700,000 variants of the Arduino board available globally. Making custom models of the Raspberry Pi is significantly harder, however, as parts of its hardware are not open ...

OMC's H19 fiber-optic shield has been adapted as a stackable add-on for the Arduino Uno. It’s designed to simplify the integration of fiber-optic data links into microprocessor-based platforms.