The USB in-circuit programmer for Atmel AVR controllers is termed as USBasp which consists of an ATmega48 or ATmega8 along with a couple of passive components. In the design, no special USB controller ...

This low-cost project aims to develop an open-source AVR USBtinyISP programmer with SPI interface that is built around the ATtiny2313 AVR microcontroller. The project has been tested with the ...