MCP42100 Digital Potentiometer with Arduino
Here's a look at the MCP42100 digital potentiometer, how it works, and how to control it with an Arduino.
There's a couple of practical tests including a DMM resistance measurement of the pot as Arduino changes the wiper position, and an op amp circuit where the digital pot is used to control both the gain and the reference voltage on the op amp. The oscilloscope shows the impact of the digital pot on the waveform.
MCP42100 Datasheet:
http://ww1.microchip.com/downloads/en/DeviceDoc/11195c.pdf
Sketch:
https://github.com/GadgetReboot/MCP42100_Demo
Patreon: https://www.patreon.com/gadgetreboot
#ElectronicsCreators
Видео MCP42100 Digital Potentiometer with Arduino канала Gadget Reboot
There's a couple of practical tests including a DMM resistance measurement of the pot as Arduino changes the wiper position, and an op amp circuit where the digital pot is used to control both the gain and the reference voltage on the op amp. The oscilloscope shows the impact of the digital pot on the waveform.
MCP42100 Datasheet:
http://ww1.microchip.com/downloads/en/DeviceDoc/11195c.pdf
Sketch:
https://github.com/GadgetReboot/MCP42100_Demo
Patreon: https://www.patreon.com/gadgetreboot
#ElectronicsCreators
Видео MCP42100 Digital Potentiometer with Arduino канала Gadget Reboot
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