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Special: Embedded Guide 2010
Beaker from the Muppet Show can be built as an interactive puppet and his presence and responses (sort of) enjoyed for all they’re worth. The project is sketched only on these pages and really intended to add a light-hearted note to this December 2010 Embedded Guide. But make no mistake, Embedded Beaker! involves programming a microcontroller and juggling MP3 files, hence is a full blown embedded project.
LED Board on ATM18
Following on from “Build a Scrolling LED Message Board in One Day” , here in one page (or almost) is how to display a 64 × 32 pixel .bmp image on the aforesaid board. No need for a 32-bit microcontroller for that — our trusty ATM18 module has everything we need for this.
USB TO RS485 / RS232 Converter
The converter described here requires only two chips and a handful of passive parts. The core of the circuit