The hardware in the dongle is pretty much what you’d expect — an Arduino Nano 33 IoT. Yes, you could just bust out a Nano and do this yourself, but [Nick] has done all the heavy lifting already.

The Arduino Nano uses a bootloader for handling programming the MCU, ... can’t be used as output), and has 2 more GPIO: pin 3 and 6 as D23 and D24 instead of another GND and VCC pins.

While the pinout is very similar to the Arduino Nano’s, there are four (12-bit) analogue inputs rather than eight (10-bit). Some digital GPIO pins are numbered differently too.

Arduino boards can most definitely help with that. ... Nano, and Mega; which primarily differ in size, GPIO pins, and computing power.

Four new Nano boards join Arduino's lineup. Written by Liam Tung, Contributing Writer May 20, 2019 at 6:10 a.m. PT.

The recently released Arduino Nano RP2040 Connect and Raspberry Pi Pico development boards are available from stock at Farnell. They are designed to accelerate development time and time-to-market.

Nano 33 IoT: Equipped with Wi-Fi and Bluetooth connectivity and a six-axis inertial measurement unit (IMU) for motion tracking Arduino projects. MKR Zero: Different from the Arduino Zero.

The power of Espressif’s ESP32-S3 meets Arduino’s unmatched customer experience, documentation and community — all in the compact form factor of the Nano. Provides support for both ...

It features a Broadcom SoC, USB ports, HDMI output, Ethernet, Wi-Fi, and a 40-pin GPIO header for interfacing with sensors, relays, and other peripherals. Key ... by contrast, is not a full computer ...

I always like projects that bring the Raspberry Pi and Arduino together, however gently. It's what the world needs, a bit more harmony. Check out this little one on GPIO programming on a Raspberry Pi ...