Using a Raspberry Pi to Program ATTiny4/5/9/10 Microcontrollers @cnlohr @Raspberry_Pi @MicrochipMakes #AVR « Adafruit Industries – Makers, hackers, artists, designers and engineers!
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ATTINY4-TSHR Datasheet PDF - Atmel Corporation
Linux Toolchain for ATMEL ATtiny4 to ATtiny10 | Herbert Dingfelder – DL5NEG
ATtiny microcontroller comparison chart - Wikipedia