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]
http://projectmf.org/
[2]
http://projectmf.org/bluebox.html
[3]
https://github.com/DavidGriffith/bluebox-avr
[4]
https://github.com/DavidGriffith/bluebox-esquire
--
David Griffith
dave at
661.org
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