Pluggable Attiny Development Board For Attiny13a/attiny25/attiny45/attiny85 Programming Editor Micro Usb Power Connector - Integrated Circuits - AliExpress
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DIY USB password generator using ATtiny Microcontroller - ATMega32 AVR
SOLVED> Has anyone built an USBtinyISP based on ATtiny45/85 ? - Microcontrollers - Arduino Forum
microcontroller - Firmware & Circuit of ATtiny45 direct USB 2.0 Connection - Electrical Engineering Stack Exchange
microcontroller - Firmware & Circuit of ATtiny45 direct USB 2.0 Connection - Electrical Engineering Stack Exchange