RED HAT
DIIDevHeads IoT Integration Server
•Created by Boss lady on 8/5/2024 in #firmware-and-baremetal
Setting Up HC-SR04 Ultrasonic Sensor and 16x2 LCD on BeagleBone Black
@Boss lady re-check all your connections to ensure the
RS
, E
, and data pins (D4-D7
) are correctly connected to the BeagleBone Black GPIO pins
.
Make sure that the contrast pin (often labeled V0
) is correctly set. Sometimes the contrast needs to be adjusted to see anything on the LCD
, also ensure the LCD
initialization sequence is correct. Sometimes small mistakes in initialization can cause the display to remain blank, try testing the LCD
Use to test print hello world on LCD
screen
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