68exter

Complete schematics and code for a 68HC11 based frequency counter, square wave synthesizer, sine wave synthesizer, programmable filter, capacitance and inductance meter, with a digitalker speech synthesizer output.

68exter

Mike Ellis – Electronic Projects Tutorials

  • 68HC11 Function Generator
  • Oscilloscope Block Diagram and Schematics
  • Dual 0-15 Volt Tracking Power Supply
  • Audio Amplifier
  • On-Line Tutorials

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