Fc 51 Ir Sensor Datasheet Hot |best|

: Lights up when an object is detected within the set range. Arduino Forum Critical Usage Notes distance with ir sensor fc-51 - Arduino Forum

Always verify your code configuration. A standard setup should look like this: fc 51 ir sensor datasheet hot

If you accidentally connect the OUT pin directly to the VCC or GND rails of your breadboard without a microchip pin limiting the current, it can cause an internal short inside the LM393 IC. : Lights up when an object is detected within the set range