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    ATmega8515 firmware and source code for the SMS Controller
  Microcontroller firmware (HEX file) and assembly language source code for the SMS controller.
      
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    ATmega8515 programmed for the SMS Controller
  Atmel 8-bit microcontroller programmed with the latest firmware for the SMS Controller (v1.2).
      
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    SMS Controller PCB pattern (PDF download) [12110041]
  PDF with the SMS Controller PCB design (single-sided).
      
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