Chapter 12

Pulse Modulation

Abstract

This chapter begins by explaining pulse density and pulse width modulation in general terms. It then introduces and describes the PWM device on the Raspberry Pi. Following that, it covers the pcDuino PWM device. This gives the reader another opportunity to see two different devices which both perform essentially the same functions.

Keywords

Pulse width modulation; Pulse density modulation; Digital to analog; Low pass filter

The GPIO device provides a method for sending digital signals to external devices. This can be useful to ...

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