The build relies on an Arduino Uno as the brains. It’s equipped with an L293D motor driver shield to run two DC gear motors which drive the walking assemblies. Power is courtesy of a 3-cell ...

as well as the 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 R4 WiFi ...

Arduino introduces its new module »Uno R4«. It is the successor of the R3 module and contains a Wi-Fi module in the extended version. It is also the first Arduino module with 32-bit microcontroller.