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DIY ATMEGA Dev Tools

These tools can flash bootloaders and recover "bricked" atmega328p chips without having to be tied to a computer

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The best way to learn the intricacies of a new system/part is to design or build your own development tools for them. I made two boards based on open source designs available from Adafuit (https://learn.adafruit.com/standalone-avr-chip-programmer?view=all) and Mighty Ohm (https://mightyohm.com/blog/2008/09/arduino-based-avr-high-voltage-programmer/).

Special Thanks to JLCPCB for providing pcbs to get the ball rolling on this project. JLCPCB Prototype for $2 (Any Color): https://jlcpcb.com

Demo Video: https://www.youtube.com/watch?v=_tS14IiIgDA

atmega328p_HVrescue.sch

HV Rescue Eagle Schematic

sch - 928.68 kB - 02/03/2020 at 18:35

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atmega328p_HVrescue_2020-01-09.zip

HV Rescue PCB Gerbers

x-zip-compressed - 262.33 kB - 02/03/2020 at 18:35

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atmega328p_HVrescue.brd

HV Rescue Eagle PCB Layout

brd - 143.57 kB - 02/03/2020 at 18:35

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atmega328p_btldr_burner.sch

Bootloader-er Eagle Schematic

sch - 841.94 kB - 02/03/2020 at 18:35

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atmega328p_btldr_burner_2019-12-20.zip

Bootloader-er PCB Gerbers

x-zip-compressed - 280.44 kB - 02/03/2020 at 18:35

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apollogibbons wrote 12/26/2021 at 00:11 point

would be nice if the BOM was available

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