/* Example: Initialising NHDT‑056 via I²C (Arduino‑compatible) */ #include <Wire.h>

(If you can’t see the image, imagine a sleek dark PCB with a tiny OLED display flickering green.)

Note: The module can be configured for (12 V or 24 V) by setting jumpers J1‑J2. All voltage selections are automatically verified by the internal power‑management IC (PMIC‑X7).