The first step I took in building this was to build a 3D model in Rhino. I based it on the Arduino Uno dimensions, and then started creating the parts based upon my real-world materials and scale ...

Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

Note that Arduino says it has no plans to discontinue the popular UNO R3, “for which we foresee continued strong demand”. Also, it said significant efforts were being made on the software side of the ...