Bluebox boards, anyone?

systems_glitch systems.glitch at
Wed Jan 31 07:15:33 CST 2018

Neat! I'd be interested in a board. I missed out on the ones being handed
out at HOPE in 2008 (The Last HOPE, for which a friend and I embarked on a
last-minute trip to NYC for I think around $150 total, for the both of us).


On Wed, Jan 31, 2018 at 8:04 AM, David Griffith via cctalk <
cctalk at> wrote:

> Would anyone like a bluebox PCB or two?
> This project was inspired by Don Froula's ProjectMF[1] in which he
> presents a PIC-based bluebox[2] and PCB (handed out at HOPE in 2008).  A
> big reason I like AVRs more than PICs is because the development software
> is OSS and free.  So I reimplemented Don's bluebox in C for an AVR
> ATtiny85.  The PCB started off an a drop-in replacement, but evolved into
> something designed to fit into a Hammond 1591XXM box instead of functioning
> as a lid for a Radio Shack 230-1801 box.  The Hammond box also comes in
> transluscent blue!
> The firmware code[3] is done.  I just have to do some tweaks once some
> test PCBs[4] are made because on the prototype, I wired up the keypad a bit
> strangely.  The code implements a 13-key bluebox, a DTMF keypad, a redbox
> for US, Canada, and UK, greenbox, and 2600 dial pulse.  The PCB needs work
> to correct some early design decisions that turned out to be non-optimal.
> [1]
> [2]
> [3]
> [4]
> --
> David Griffith
> dave at
> A: Because it fouls the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
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