Select Tools > Board > Uno from the Arduino IDE menus. Select Tools > Programmer > AVRISP mkII from the Arduino IDE menus. Select Tools > Burn Bootloader from the Arduino IDE menus. Arduino: 1.6.10 ...
Modern EPROM programmers like the TL866 are unable to read the 28 pin 1Mbit ROM used in the BBC Master. If you are troubleshooting a BBC Master and you don't have a known good BBC Master to test the ...