Bluebox AVR boards available

David Griffith dave at
Sat Nov 24 05:34:33 CST 2018

On Thu, 4 Oct 2018, David Griffith via cctalk wrote:
> I've finished my work on designing and debugging a PCB to go with my 
> AVR-based bluebox program.  Read about it and buy one at 
> This project implements a bluebox in C on AVR microcontrollers.  This project 
> is roughly a reimplementation of Don Froulas's PIC-based bluebox, which was 
> written in PIC assembly.  The resulting compiled program is intended to be 
> loaded into one of the following circuit boards. Currently the code 
> implements a bluebox, silver box (DTMF dialer with 4th column), redbox, 
> greenbox, and 2600hz pulse dialer. There are 12 memory locations of 41 
> keystrokes each.

I have more bluebox boards back in inventory.

David Griffith
dave at

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