Simple STM32 implementation of Graphical User Interface with cheap encoder and Nokia 5110 display Connections: - PinA to PB4 (interrupt is used) - PinB to PB5 - Button to PB6 (2nd interrupt can be used) 100nF debouncing capacitors are used for PinA, PinB and button More comments in the source code which is available here: Above code works for both AVR and STM32 Arduino Pro Mini version: Watch my other video with encoder example:
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