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

Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor ...

An eForth for Arduino UNO/Nano implemented in C. .ino sketch file can be openned in Arduino IDE, no programmer to overwrite bootloader needed. Has 16-bit cells and stacks. Can read/write Arduino GPIO ...

@KurtE - @facchinm - @pillo79 Ran into a surpising while trying to display images on a ST7796 SPI display attached via SPI with a GC2145 camera on the mid-carrier board. Same sketch works on the GI ...