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This recent design is a process controller using a 32-bit Atmel ARM7 CPU with USB, serial, two relays, and several bits of parallel I/O. Embedded design is multi-displinary requiring hardware and software experience along with some knowledge of manufacturing. Commercial and open source real-time operating systems, TCP/IP networking, and serial buses such as I2C and SPI round out the mix. Every design is different and there is always a new protocol or a new chip. Cost competes with performance, functionality, packaging, power, and heat dissipation. It's a different world from the commodity PC business, in which software can always expect a faster CPU or more memory. 
If you need hardware like this or want to value engineer your own, please call! Recent Processors Atmel ARM7 and ARM9 Families Atmel 8051 Compatibles Intel 80C51 and 80X196 TI 'C32 DSP AMD ES186/188 Links Atmel AT91SAM7 ARM Family IAR Systems Development Tools FreeRTOS Open Source Operating System Intel Embedded Microcontrollers MicroChip PIC Processors |