Thx, I found this tutorial http://arduino.cc/en/Tutorial/ArduinoToBreadboard about oscillator. But what if I'll try "Upload Programmer" button. What is this button for?
Thx, I found this tutorial http://arduino.cc/en/Tutorial/ArduinoToBreadboard about oscillator. But what if I'll try "Upload Programmer" button. What is this button for?