Spark Loader is a boot loader for AVR microcontrollers, it is used for programming flash and EEPROM using a serial link (USB to Serial converters can be used) between your computer and the microcontroller through any free COM (or USB) port. Spark Loader consists of two parts: A hex file that resides at the boot.
Freeware download of Spark Loader 2.0, size
12.82 Mb.