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Pro Micro Atmega32u4 Atmega32u4-au 3.3v 8mhz Usb Controller Board With Bootloader For Arduino - Integrated Circuits - AliExpress
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Elite-c Controller A Pro-micro Compatible USB-C Atmega32u4 Microcontroller for Mechanical Keyboards, Arduino Micro, Electronics Projects - Etsy
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Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits
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Shop USB ATmega32U4 Mini Development Board for Arduino - Dick Smith. USB ATmega32U4 Mini Development Board for Arduino Mini controller board with USB Plug integrated This USB ATmega32U4 Leonardo for Arduino is
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GitHub - mogenson/atmega32u4-usb-serial: Rust USB serial driver crate for atmega32u4 based on FFI bindings for Teensy AVR-C library
GitHub - dmadison/Pro_Micro_USB-A: ATMega32U4 Arduino board from SparkFun, modified to work with a USB-A connector
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14CORE ATMEGA32U4 MINI G2 2023 an 8Bit Microcontroller with 32k Bytes of ISP Flash and Integrated USB Controller | 14core.com
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