Motorola HC11 Micro: 32 Kbytes of memory (SRAM) with battery memory save mode; Serial Communications Interface with 6-pin header; 8 analog input channels with 3-pin signal, power & ground headers; 4 digital switch inputs with 2-pin headers(uses one of the analog channels); 5 servo controller outputs with 3-pin signal, power & ground headers.
Atmel AVR Micro: 128 Kbytes of memory; Serial Communications Interface with 6-pin header; 6 servo/motor(continuous servos) control ports; 23 digital io ports
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