This stemmed from a review of a friend’s circuit design that used the UART in the project, but also called for an FTDI chip in order to reprogram via USB and a bootloader. Unlike the schematic ...

The board itself also has some differences from the original Arduino Uno. First of all, it has a USB type-C port, which is definitely a bonus. Secondly, it’s simpler: No USB-UART (which also ...