Arduino UNO SPE Shield adds Single Pair Ethernet (SPE) and RS485 to Arduino UNO and compatible boards, notably the Arduino UNO R4, via a Microchip LAN8651 SPE controller. Single Pair Ethernet relies ...

including Arduino Uno ($15), MFRC522 RFID module ($5), RTC module ($3), I2C LCD ($5), RFID cards ($2), and supporting components ($5). This is significantly cheaper than commercial solutions that cost ...

It would be nice if the SDIO pins were defined for this variant like other variants. A pinout diagram is here. I think this is the correct definition. // SDIO #define PIN_SD_CLK (18u) #define ...

Open source interface for iCUE LINK Hub and other Corsair AIOs, Hubs for Linux. Manage RGB lighting, fan speeds, system metrics, as well as keyboards, mice, headsets via a web dashboard.