4-Wire Slot Type Photoelectric Switch
A 4-wire photoelectric switch with a 5mm detection range, 10-30V power, and protection features. It has adjustable output modes and real-time status indicators.
A 4-wire photoelectric switch with a 5mm detection range, 10-30V power, and protection features. It has adjustable output modes and real-time status indicators.
| Pin | Position | Type | Voltage |
|---|---|---|---|
| Positive pole | Brown wire | Power | 10-30V DC |
| Negative pole | Blue wire | Ground | |
| Normally closed output | Black wire | GPIO | |
| Normally open output | White wire | GPIO |
Analog · I2C · UART · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: Positive pole, Negative pole. Schematik maps them to your board in the app.
PIR and mmWave presence sensors, Hall-effect and angle encoders, piezo vibration discs, gesture breakouts and more — grouped here because they fit nowhere else.
10K Precision Epoxy Thermistor 3950 NTC visual preview10K Precision Epoxy Thermistor 3950 NTC
3D Gesture Sensor (Mini) for Arduino (I2C, 6 Gestures, 0~10cm) visual preview3D Gesture Sensor (Mini) for Arduino (I2C, 6 Gestures, 0~10cm)
Adafruit AS5600 Magnetic Angle Sensor visual previewAdafruit AS5600 Magnetic Angle Sensor
Adafruit STHS34PF80 IR Presence / Motion Sensor STEMMA QT visual previewAdafruit STHS34PF80 IR Presence / Motion Sensor STEMMA QT
Bearables Bear Kit visual previewBearables Bear Kit
BOSON: Flame Sensor i7 visual previewBOSON: Flame Sensor i7
Boson: Sound Sensor i9 visual previewBoson: Sound Sensor i9
Breadboard-Friendly Mini PIR Motion Sensor with 3-Pin Header visual previewBreadboard-Friendly Mini PIR Motion Sensor with 3-Pin Header
C1001 60GHz mmWave Indoor Fall Detection Sensor (11 Meters) visual previewC1001 60GHz mmWave Indoor Fall Detection Sensor (11 Meters)
DFRobot DFR0051 Gravity Analog Voltage Divider V2 visual previewDFRobot DFR0051 Gravity Analog Voltage Divider V2
Digital Magnetic Induction Sensor visual previewDigital Magnetic Induction Sensor
Fermion: GR10-30 Gesture Sensor (Breakout, UART & I2C, 12 Gestures, 0~30cm) visual previewFermion: GR10-30 Gesture Sensor (Breakout, UART & I2C, 12 Gestures, 0~30cm)
BOSON: Heart Rate Monitor Sensor i20 visual previewUART/I2C fingerprint modules, MAX30102 PPG breakouts, and analog ECG/EMG front-ends for access control and hobby biometric sensing.
Sensors · Biometric sensors · 26 parts
0.3M Pixel Serial JPEG Camera Module visual previewPi CSI modules, USB cameras, MCU-class OV2640/OV5640 boards, on-camera AI like HuskyLens and OpenMV, and thermal or ToF imagers — over 130 listings across very different pipelines.
Sensors · Cameras & vision · 141 parts
0.28 Inch LED Digital DC Voltmeter - Green visual previewINA-series I2C monitors, Hall-effect sensors like the ACS723 and Gravity 20A/50A boards, and non-invasive CT clamps for everything from 3.3V rail telemetry to mains current sensing.
Sensors · Current & voltage · 25 parts
25m Long Distance ToF Laser Sensor (±3cm Accuracy, 100Hz, 100K LUX Resistant) visual previewAbout 180 listings spanning VL53-series ToF breakouts, HC-SR04 and MaxSonar ultrasonics, 360° triangulation LiDARs, IR proximity sensors, 24GHz mmWave presence detection and laser break-beam sensors.
Sensors · Distance sensors · 177 parts