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Electronics Projects with the ESP8266 and ESP32: Building Web Pages, Applications, and WiFi Enabled Devices
book

Electronics Projects with the ESP8266 and ESP32: Building Web Pages, Applications, and WiFi Enabled Devices

by Neil Cameron
December 2020
Intermediate to advanced
703 pages
12h 21m
English
Apress
Content preview from Electronics Projects with the ESP8266 and ESP32: Building Web Pages, Applications, and WiFi Enabled Devices
© Neil Cameron 2021
N. CameronElectronics Projects with the ESP8266 and ESP32https://doi.org/10.1007/978-1-4842-6336-5_19

19. Rotary encoder control

Neil Cameron1  
(1)
Edinburgh, UK
 
../images/499197_1_En_19_Chapter/499197_1_En_19_Figa_HTML.jpgA rotary encoder detects rotation of the center shaft and is used to control machinery position and motor speed, audio volume, the cursor position on an LCD (Liquid Crystal Display) screen, or simply LED brightness. For example, in Chapter 1 (Internet radio), the radio station and volume were selected by turning a rotary encoder. The incremental rotary encoder has 20 positions, and the rotor is continuously rotated clockwise or anti-clockwise to increase or decrease a control ...
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Publisher Resources

ISBN: 9781484263365Purchase LinkPublisher Website