Here's the new description with all links and additional text removed: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 hours turnaround time) up to $20 shipping discount on first order (PCB ...

[1]: 4K devices have a 9 bits addressing memory map. The 9th bit is set in the device address byte [2]: 16K devices a 11 bits addressing memory map. The 3 MSB are set in the device address byte in ...

Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...