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This is the last lab of the semester for EET-250. Chapter 5 in the Process Control text uses Pulse Code Modulation (PCM) to control the speed of a fan and the fan speed, measured in RPM, is measured with the Opto-Reflective Switch. StampPlot is used to plot variations in fan RPM.
- PWM_Test.jpg (76.63 KiB) Viewed 370 times
- Tach1.jpg (92.5 KiB) Viewed 370 times
PWM on Oscilloscope
- 20210511_133915.jpg (2.9 MiB) Viewed 362 times
RC Network Discharge
- 20210511_134824.jpg (3.21 MiB) Viewed 362 times