The is a specialized integrated circuit (IC) primarily manufactured by Holtek . It is most frequently encountered as a controller chip in consumer appliances, such as Midea induction cookers , and in automotive power management systems. Core Specifications & Features
: Includes an internal thermal regulation loop that reduces the output current if the temperature gets too high, protecting the life of the LEDs. highway09a ic datasheet
#include <Wire.h>
If your IC has 8 pins and HIGHWAY09A on top, it’s almost certainly a or LM2903 (common for cheap comparator modules). HIGHWAY09A The is a specialized integrated circuit (IC)
: Includes built-in safeguards against over-current, over-temperature, voltage spikes, and reverse-battery conditions. AliExpress Typical Pinout Configuration (PDIP16) such as Midea induction cookers