LM393 Comparator IR Speed Sensor Module (FC-03)
LM393 Comparator IR Speed Sensor Module (FC-03)
Module Features:
Working Voltage : DC 3.3-5V
Main Chip : LM393
Slotted Width : 5mm
ITR9608 photoelectric switch (not sure I guessed)
Pins Connection:
VCC: positive power supply 3.3-5V;
GND: Ground;
DO: Output frequency pulses;
Code:Basic
const int sensorPin = 9;
void setup() {
Serial.begin(115200);
pinMode(sensorPin INPUT);
}
void loop(){
int value = 0;
value = digitalRead(sensorPin );
if (value == LOW) {
Serial.println(Active);
}
if (value == HIGH) {
Serial.println(No-Active);
}
delay(1000);
: No-Active ตามจังหวะของการนำวัตถุมาบังที่เซนเซอร์