There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some text or ...

In need of a simple ... Arduino CLI. It also works with most of the popular libraries like Wire, SPI, and Servo. The Uno Rev3 is priced at $27.60. Introduced along with R4 Minima in 2023, the Uno ...

A second difference is that Minima has the Renesas MCU debug bought out to connector called ‘SWD’ for connection to an external debugger, while on R4 WiFi the Renesas MCU debug port is taken to the ...