Hall Sensor (3) Based Speedometer/Odometer/Tachometer for Raspi Pico with Round Display (GC9A01A)
Using Core from & Special thx to: Earle F. Philhower, III (Raspberry Pi Pico Arduino core for all RP2040 boards)
in Arduino IDE (https://github.com/earlephilhower/arduino-pico)
Notes on installing Philhower Core: https://learn.adafruit.com/rp2040-arduino-with-the-earlephilhower-core/installing-the-earlephilhower-core
display GC9A01A pins:
TFT_CLK (2)
TFT_DIN (3)
TFT_DC (4)
TFT_CS (5)
TFT_RST (6)
TFT_DOUT (7)
hall-effect sensor pins:
SENSOR_PIN1 (10)
SENSOR_PIN2 (11)
SENSOR_PIN3 (12)
bridged pins:
FLAG_PIN_FILE_LOCK_OUT (14) bridged to FLAG_PIN_FILE_LOCK_IN (15)
FLAG_PIN_FILE_UNLOCK_OUT (16) bridged to FLAG_PIN_FILE_UNLOCK_IN (17)
button pins:
BUTTON_PIN_LEFT (8)
BUTTON_PIN_RIGHT (9)
BUTTON_PIN_EMERGENCY (13)