Tiny Atmega644 Board
Description
Here's a board I designed back in 2006. At the time, I was obsessed with making easy to use controller modules in the smallest packages possible. This control board should fit into a DIP44 socket. Includes a nice LDO 5V regulator I found, and an onboard RS232 line converter. The line voltage RS232 pins and the power and ground pins are on a screw terminal header, and just about everything is brought out to the pins on the bottom. I tried to get as much IO as possible, but obviously there are some pins that didn't make it. Includes ISP header, and also has the watch crystal for RTC. It's a pretty neat board, and it can be assembled by hand for about $20.
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