Description: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 hours turnaround time). up to $20 shipping discount on first order (PCB price should be higher than $7). What is Arduino and all ...

Sometimes it’s nice when you can do everything you need to do with just one single port. In this vein, [Nicola Strappazzon] whipped up a circuit to combine serial and UPDI programming in a very ...