so i start out this project to have usbtiny isp employs v-usb for usb communication. one solution i found is that v-usb drivers supports the 16.5Mhz internal oscillator on attiny25/45/85 devices. one thing in the original design that i want to change is to eliminate the use of clock crystal. i like the simplicy of the usbtiny isp design but would like to make it even smaller and take less parts. After making a usbtiny isp programmer and using it for 6 months, i was looking at making another one for carrying around.
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