Hw-133-v1.0 Datasheet Direct
Once the multimeter shows your desired voltage (e.g., 5V), disconnect power, solder your device to the output, and you're ready to go. ⚠️ Essential Safety Tips Step-Down Only:
void setup() Serial.begin(9600); pinMode(DIGITAL_PIN, INPUT); Serial.println("Hw-133-v1.0 Sensor Ready"); Hw-133-v1.0 Datasheet