IR Break Beam Sensor (50cm)
Infrared break-beam sensor with 50 cm detection range and quick response time. Operates from −25 °C to 60 °C; compatible with Arduino.
Pinout
- Transmitter red wiretransmitter red wire
Emitter/transmitter supply lead; DFRobot product page states transmitting: red wire = 5V DC.
Type · PowerVoltage · 5V DC - Transmitter black wiretransmitter black wire
Emitter/transmitter ground lead; DFRobot product page states transmitting: black wire = GND.
Type · GroundVoltage · 0V - Receiver red wirereceiver red wire
Receiver supply lead; DFRobot product page states receiving: red wire = 5V DC.
Type · PowerVoltage · 5V DC - Receiver black wirereceiver black wire
Receiver ground lead; DFRobot product page states receiving: black wire = GND.
Type · GroundVoltage · 0V - Receiver white wirereceiver white wire
Receiver output lead; DFRobot product page states white wire = OUT (NPN).
Type · GPIOVoltage · NPN output signal, supply specified as DC 3.0V to 5V in product description
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Transmitter red wire | transmitter red wire | Power | Emitter/transmitter supply lead; DFRobot product page states transmitting: red wire = 5V DC. | 5V DC |
| Transmitter black wire | transmitter black wire | Ground | Emitter/transmitter ground lead; DFRobot product page states transmitting: black wire = GND. | 0V |
| Receiver red wire | receiver red wire | Power | Receiver supply lead; DFRobot product page states receiving: red wire = 5V DC. | 5V DC |
| Receiver black wire | receiver black wire | Ground | Receiver ground lead; DFRobot product page states receiving: black wire = GND. | 0V |
| Receiver white wire | receiver white wire | GPIO | Receiver output lead; DFRobot product page states white wire = OUT (NPN). | NPN output signal, supply specified as DC 3.0V to 5V in product description |
Pin details
5 connections- Transmitter red wiretransmitter red wire
Emitter/transmitter supply lead; DFRobot product page states transmitting: red wire = 5V DC.
PowerVoltage · 5V DC - Transmitter black wiretransmitter black wire
Emitter/transmitter ground lead; DFRobot product page states transmitting: black wire = GND.
GroundVoltage · 0V - Receiver red wirereceiver red wire
Receiver supply lead; DFRobot product page states receiving: red wire = 5V DC.
PowerVoltage · 5V DC - Receiver black wirereceiver black wire
Receiver ground lead; DFRobot product page states receiving: black wire = GND.
GroundVoltage · 0V - Receiver white wirereceiver white wire
Receiver output lead; DFRobot product page states white wire = OUT (NPN).
GPIOVoltage · NPN output signal, supply specified as DC 3.0V to 5V in product description
Start wiring
Single data line · I2C · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: Transmitter red wire, Receiver red wire, Transmitter black wire, Receiver black wire. Schematik maps them to your board in the app.
Infrared
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