Full and open hardware design for FIRM

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Main components

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Part NumberDescription
STM32F405RGTxSTMicroelectronics Arm Cortex-M4 MCU, 1024KB flash, 192KB RAM, 168 MHz, 1.8-3.6V, 51 GPIO, LQFP64
MIC5219-3.3YM5500mA low dropout linear regulator, fixed 3.3V output, SOT-23-5
A-USBC-20F0-EA-GSR05
W25Q128JVS128Mb Serial Flash Memory, Standard/Dual/Quad SPI, SOIC-8

FIRM schematic

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FIRM board layout

FIRM PCB render

Top PCB
Bottom PCB