ATMega328P “AVRDude: Could not find USBTiny Device (0x1781/0xc9f)”

Good afternoon, I recently assembled an ATMega328P based micro-controller PCB of my own design. I feel good about the circuit itself as I managed to upload the Arduino Blink sketch via the Sparkfun AVR Pocket Programmer. After uploading this sketch I noted that the ATMega was using its internal oscillator. I didn’t feel comfortable changing … Read more