[Noisebridge-discuss] Hands free car adapter circuit boards.

Adrian Chadd adrian.chadd at gmail.com
Tue Feb 18 18:26:20 UTC 2014

Can you slurp the flash/eeprom data off via jtag or their programming interface?

If so, why not just replace the PIC with another of the same PIC but
without the OTP fuse open?


On 18 February 2014 09:35, C. Honnet <cedric at honnet.eu> wrote:
> We investigated a bit more but realized that the PIC microcontroller is an
> OTP (one time programmable).
> So the simple hacks will be limited to the analog world...
> ...unless we reverse engineer the PCB to redraw the circuit and find good
> spots to connect an attiny for example (I have to investigate it but it
> seeing possible).
> Let's do it just before next Monday's circuit hacking session ;)
> Cedric.
> ---------- Forwarded message ----------
> From: Alexandra Glowaski <alex.glowaski at gmail.com>
> To: martin deviddo <gmod4life1 at hotmail.com>
> Cc: "noisebridge-discuss at lists.noisebridge.net"
> <noisebridge-discuss at lists.noisebridge.net>
> Date: Mon, 17 Feb 2014 09:37:46 -0800
> Subject: Re: [Noisebridge-discuss] Hands free car adapter circuit boards.
> Oh man, that's marvelous! The light sensor thingy is a passive infrared
> (PIR) proximity/motion detector:
> http://en.wikipedia.org/wiki/Passive_infrared_sensor
> How late will y'all be going tonight? I might get a chance to stop by and
> help, probably after 10ish.
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