Usually this comes in the form of an AVR programmer. In the second part of this tutorial we’ll look at several different programming options, then build and program a test circuit.

Use programming software to send some example code to the microcontroller If you missed Part 1 take a few minutes to review that portion of the tutorial and then join us after the break.

Here you can learn many more interesting and useful about USB bootloaders for AVR microcontrollers. In practice, one of the most proper microcontroller programming method is using a bootloader program ...