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.

The organization has introduced the Raspberry Pi Pico, a $4 board meant to offer a gentle entry point for microcontrollers. Think of it more as a complement to a Pi aimed at tasks like analog input.

If you want to build using Raspberry Pi and Arduino, learn how to get started in the 2023 All-in-One Raspberry Pi and Arduino Developer Bundle, only $69.99 ...

Unlike Raspberry Pi, Arduino is entirely open-source, meaning both its software and hardware are readily available to the public. In addition to Arduino's open-source IDE for writing code, the ...

By mastering Raspberry Pi GPIO control with Arduino Cloud, individuals can unlock the full potential of their IoT projects, creating innovative solutions that seamlessly blend hardware and software.

So if you want to do it, reverse engineer it yourself. Or buy a chip that does it. There is no current way to make a Raspberry Pi and SDR decode HD Radio.