[Johngineer] found himself in need of an I2C sniffer, but didn’t have one available. Necessity is the mother of invention, so he put together this I2C sniffer sketch for Arduino. The arduino … ...

Both versions of the Uno R4 offer 32 kbytes of SRAM and 256 kbytes of flash memory. They also furnish a USB-C port, along with CAN bus, SPI, and I2C communication capabilities. In addition, each Uno ...