While newer Arduinos and Arduino compatibles (including the Hackaday.io Trinket Pro. Superliminal Advertising!) either have a chip capable of USB or rely on a V-USB implementation, the old fogies o… ...

Use the Atmega328P chip, with Arduino bootloader loaded by you, as the brain of this economical circuit. There are many circuit diagrams available online for building an Arduino on a protoboard, but ...

For more information on the new Arduino Prototyping Set and Bootloader Shield jump over to the Kickstarter website for details and to make a pledge from $18.

I made a lockable bootloader for arduino around 2014, it’s part of the source code for the final key. The hack is super simple, if the eeprom of the chip contains a lock code, the bootloader won ...

In this post, I will talk about uploading sketches using FTDI programming port. In the next post, I will talk more about uploading sketches and burning bootloader using the ICSP programming port. Get ...