Mike Ellis – Electronic Projects Tutorials
![68exter](https://dapj.org/wp-content/uploads/2016/10/68exter.jpg)
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.
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