Explore our massive collection of PIR, IR, and optical sensors designed for precision motion and presence detection across a wide range of applications. From FTD laser modules and micro diffuse reflectance sensors to photoelectric switches and human presence sensors, we’ve got you covered. Whether you’re working on smart automation, robotics, security, or industrial systems, find exactly what you need with plug-and-play convenience.
Popular picks include:
- IR Remote Control Extensions
- PIR2 433MHz Human Infrared Sensors
- M5Stack PIR Motion Sensor
- Human Detection Modules
- Industrial-grade photoelectric switches
- Amphenol Advanced Sensors Thermopile IR Sensor
Browse the collection now and choose the right sensor to elevate your next build.
PIR / IR and Optical Sensor
Showing 1–48 of 171 results
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PIR / IR and Optical Sensor
TCRT5000 Reflective IR Sensor Photoelectric Switch Pack of 5
SKU: 31362- Model TCRT5000
- Color Black + blue
- Detecting range: 0.591″ (15mm);
- Detecting method: Reflective;
- Collector-Emitter: Voltage: 70V;
- Collector Current: 100mA;
- Forward Current: 60mA;
- Output type: Phototransistor;
SKU: 31362 -
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PIR / IR and Optical Sensor
VS1838B IR Remote Control Receiver – 5pcs
SKU: 44426- Internal filter for PCM frequency.
- Inner shield, good anti-interference ability.
- High immunity against ambient light.
- Improved shielding against electric field disturbance
- 3.0V or 5.0V supply voltage; low power consumption.
- TTL and CMOS compatibility.
- Suitable transmission code:NEC code,RC5 code.
- Universal receiver. 38 KHz.
- Infrared remote control receiver.
SKU: 44426 -
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PIR / IR and Optical Sensor
HC-SR505 Mini PIR Motion Sensor Infrared Detector
SKU: 28673- Automatic induction: to enter the sensing range
- Ultra-small size.
- Repeatable trigger
- Wide operating voltage range
- Micropower: quiescent current <50
- Output high signal: easy docking and all kinds of circuits.
SKU: 28673 -
Best Prices, PIR / IR and Optical Sensor
E3JK-5DM1 Infrared Beam Photoelectric Sensor
SKU: 975818- Detection method: on-beam
- Detection distance: 5 m ± 10%
- Detecting objects: opaque objects
- Working voltage: AC and DC universal 12~24v
- Output mode: AC and DC universal five-wire relay output, normally open + normally closed
- Housing material: ABS housing
SKU: 975818 -
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PIR / IR and Optical Sensor
Waveshare Human Micro-Motion Detection mmWave Sensor, 24GHz mmWave Radar, Based On S3KM1110, Adopts FMCW Technology
PIR / IR and Optical SensorWaveshare Human Micro-Motion Detection mmWave Sensor, 24GHz mmWave Radar, Based On S3KM1110, Adopts FMCW Technology
SKU: R101187- Frequency Band: 24~24.25Ghz
- Maximum Scanning Bandwidth: 0.25GHz
- Maximum Equivalent Isotropic Radiated Power: 11dBm
- Supply Voltage: 3.3V (3.0~3.6V Wide-range Voltage)
- Dimensions: 20x20mm²
- Environment Temperature: -40~85℃
SKU: R101187 -
PIR / IR and Optical Sensor
GY-53 VL53L0X Laser ToF Distance Ranging Sensor
SKU: 130217- VL53L0X 3-in-1 ranging and gesture detection sensor
- Regulator: 5 to 2.8V range input voltage (output voltage: 2.8V)
- VL53L0X signal interface level shifter
- Serial Port PWM Output
- True distance measurement independent of target size and reflectance
- Breakout board, easy to integrate into the customer device
- Allows basic gesture recognition use case.
SKU: 130217 -
PIR / IR and Optical Sensor
Seeed Studio Grove Mini PIR Motion Sensor
SKU: 597041- Supply voltage: 3.3 V – 5 V
- Working current: 12 – 20 μA
- Sensitivity: 120 – 530 μV (adjustable)
- Max detecting range: 2m (25℃)
- Sensor chip: S16-L221D
- Low power consumption
- Grove compatible interface
- Compact size
- Cost-effective
SKU: 597041 -
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PIR / IR and Optical Sensor
Seeed Studio Grove Infrared Emitter
SKU: 598684- Operating voltage : 3.3V – 5V
- Operating temperature: -40°C to 80 °C
- Distance range: 10 meter (max)
- Peak wavelength : 940nm
- Angle of half intensity (ϕ) = ± 17°
- Radiant intensity : 72 mW/sr
- Grove compatible interface
- Plug and play
SKU: 598684 -
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PIR / IR and Optical Sensor
Waveshare IR Proximity Obstacle Avoidance Sensor
SKU: 968480- Power: 3.3V ~ 5V
- Mounting holes size: 3mm
- Detection range: 2cm ~ 30cm (depending on the obstacle’s color, farthest for white)
- Detection angle: 35°
- LM393 voltage comparator
- Recommended environment: indoor, to avoid the sunshine effect
SKU: 968480 -
PIR / IR and Optical Sensor
BM612 Digital PIR Motion Sensor
SKU: 806544- Digital signal processing（DSP）
- Power adjustable, save more energy
- Two-way differential high impedance sensor input
- Built-in filter, screen the interference by other frequency
- Excellent power supply rejection, Insensitive to RF interference
- Schmidt REL output
SKU: 806544 -
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PIR / IR and Optical Sensor
Seeed Studio Grove SGP30 VOC & eCO2 Gas Sensor Module
SKU: 1135221- Working Voltage:3.3V/5V
- Output range :
- TVOC 0 ppb to 60000ppb ,
- CO₂eq 400 ppm to 60000 ppm
- Sampling rate:
- TVOC 1HZ
- CO₂eq 1HZ
- Resoulation:
- TVOC :0 – 2008 ppb / 1 ppb
2008 – 11110 ppb / 6 ppb
11110 – 60000 ppb / 32 ppb - CO₂eq :400 – 1479 ppm / 1 ppm
1479 -5144 ppm / 3 ppm
5144 – 17597 ppm / 9 ppm
17597 – 60000 ppm / 31 ppm
- TVOC :0 – 2008 ppb / 1 ppb
- Default I2C address 0X58
SKU: 1135221
