Arduino flasher 3.3v
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Introduction
This explains how to:
- Easily lower the voltage of an arduino
- Use that arduino to flash a coreboot image on a GM45 Thinkpad with a SOIC16 chip
It requires:
- An AVR Arduino at 5v
- An USB<->Serial adapter capable of providing enough current to power up:
- The arduino
- The flash chip
- The circuits around the flash chip
It was tested with:
- An arduino.org "nano version 3.3"
- A Ssparkfun "FTDI Basic 3v3" (Uses an FTDI FT232R)