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paper_bits:pb704_raspi-bit [2017/11/24 16:52] admin [DAC] |
paper_bits:pb704_raspi-bit [2017/11/25 17:25] admin [Negative Voltage Source] |
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| <img src="https://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2003/gsh7/ECE476/DAC0808.gif"></a> | <img src="https://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2003/gsh7/ECE476/DAC0808.gif"></a> | ||
| </html> | </html> | ||
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| + | <html> | ||
| + | <a http://www.circuitstoday.com/wp-content/uploads/2011/06/MC-1408-Digital-to-Analog-Converter.jpg"> | ||
| + | <img src="http://www.circuitstoday.com/wp-content/uploads/2011/06/MC-1408-Digital-to-Analog-Converter.jpg"></a> | ||
| + | </html> | ||
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| ==== change the PWM audio pins ==== | ==== change the PWM audio pins ==== | ||
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| MC1408: [[http://pdf.datasheetcatalog.com/datasheet/philips/MC1408-8_3.pdf]]\\ | MC1408: [[http://pdf.datasheetcatalog.com/datasheet/philips/MC1408-8_3.pdf]]\\ | ||
| Example: [[https://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2003/gsh7/ECE476/archive.htm]]\\ | Example: [[https://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2003/gsh7/ECE476/archive.htm]]\\ | ||
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| + | ---- | ||
| + | ==== Negative Voltage Source ==== | ||
| + | [[https://www.allaboutcircuits.com/projects/build-your-own-negative-voltage-generator/]]\\ | ||
| + | [[http://www.stephenhobley.com/blog/2011/03/28/creating-a-negative-voltage-from-a-positive-one/]]\\ | ||
| ---- | ---- | ||