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  1. GY-521 MPU6050 3-Axis Accelerometer Gyroscope Module

    GY-521 MPU6050 3-Axis Accelerometer Gyroscope Module

    4.4  (6) 
    $1.75 As low as $1.48
  2. Heart Rate Pulse Sensor Module

    Heart Rate Pulse Sensor Module

    5.0  (3) 
    $1.75 As low as $1.54
  3. HC-SR04 Ultrasonic Distance Sensor Module

    HC-SR04 Ultrasonic Distance Sensor Module

    4.0  (4) 
    $0.65 As low as $0.58
  4. HC-SR501 PIR Motion Detection Sensor

    HC-SR501 PIR Motion Detection Sensor

    4.5  (12) 
    $0.65 As low as $0.58
  5. ADXL345 3-Axis Digital Accelerometer Sensor Module

    ADXL345 3-Axis Digital Accelerometer Sensor Module

    4.4  (2) 
    $2.25 As low as $1.96
  6. DHT11 Temperature Humidity Sensor Module

    DHT11 Temperature Humidity Sensor Module

    4.8  (3) 
    $0.65 As low as $0.58
  7. 44E Hall Effect Sensor Module

    44E Hall Effect Sensor Module

    4.0  (1) 
    $0.30 As low as $0.26
  8. YL-69 Soil Moisture Detection Sensor Module

    YL-69 Soil Moisture Detection Sensor Module

    3.6  (5) 
    $0.20
  9. SW-18010P Vibration Sensor Module

    SW-18010P Vibration Sensor Module

    3.5  (1) 
    $0.35 As low as $0.31
  10. HC-SR505 PIR Motion Sensor

    HC-SR505 PIR Motion Sensor

    5.0  (1) 
    $0.70 As low as $0.61
  11. ASAIR DHT11 Temperature Humidity Sensor

    ASAIR DHT11 Temperature Humidity Sensor

    5.0  (3) 
    $0.90 As low as $0.80
  12. HX711 Dual-Channel 24-bit A/D Conversion Module

    HX711 Dual-Channel 24-bit A/D Conversion Module

    4.7  (3) 
    $0.40 As low as $0.35
  13. TCRT5000 Infrared Reflective Line Track Sensor Module

    TCRT5000 Infrared Reflective Line Track Sensor Module

    4.5  (2) 
    $0.40 As low as $0.35
  14. AOSONG DHT22 Temperature Humidity Sensor

    AOSONG DHT22 Temperature Humidity Sensor

    4.3  (6) 
    $3.95 As low as $3.50
  15. GY-BME280 Temperature, Humidity and Atmospheric Pressure Sensor Module

    GY-BME280 Temperature, Humidity and Atmospheric Pressure Sensor Module

    5.0  (1) 
    $3.25 As low as $2.79
  16. Load Cell- 1kg

    Load Cell- 1kg

    3.0  (1) 
    $1.50 As low as $1.29
  17. DS18B20 Temperature Sensor - Waterproof Probe, 1m

    DS18B20 Temperature Sensor - Waterproof Probe, 1m

    5.0  (6) 
    $0.65 As low as $0.57
  18. TTP223B Capacitive Touch Switch Module - Pack of 5

    TTP223B Capacitive Touch Switch Module - Pack of 5

    5.0  (2) 
    $0.95 As low as $0.73
  19. TCRT5000 Reflective Infrared Sensor Photoelectric Switch - Pack of 5

    TCRT5000 Reflective Infrared Sensor Photoelectric Switch - Pack of 5

    4.9  (4) 
    $0.45 As low as $0.40
  20. GP2Y0A41SK0F Infrared Distance Sensor

    GP2Y0A41SK0F Infrared Distance Sensor

    4.0  (1) 
    $5.50 As low as $4.83
  21. KY-040 Rotary Encoder Module with Push Switch

    KY-040 Rotary Encoder Module with Push Switch

    4.4  (8) 
    $0.45 As low as $0.40
  22. MPS20N0040D-D Sphygmomanometer Pressure Sensor

    MPS20N0040D-D Sphygmomanometer Pressure Sensor

    3.0  (1) 
    $0.70 As low as $0.62
  23. ZMPT101B 250V AC Voltage Sensor Module

    ZMPT101B 250V AC Voltage Sensor Module

    4.5  (4) 
    $1.25 As low as $1.09
  24. HY-SRF05 Ultrasonic Distance Sensor Module

    HY-SRF05 Ultrasonic Distance Sensor Module

    4.6  (4) 
    $1.25 As low as $1.07
  25. Infrared Transceiver Kit - Transmitter + Receiver

    Infrared Transceiver Kit - Transmitter + Receiver

    4.9  (7) 
    $0.55 As low as $0.49
  26. E18-D80NK IR Obstacle Avoidance Proximity Sensor

    E18-D80NK IR Obstacle Avoidance Proximity Sensor

    4.8  (3) 
    $1.50 As low as $1.30
  27. PC817 Optocoupler Isolation Module

    PC817 Optocoupler Isolation Module

    5.0  (1) 
    As low as $0.75
  28. OV2640 2 Megapixel Camera Module

    OV2640 2 Megapixel Camera Module

    5.0  (1) 
    $17.95 As low as $15.92
  29. LM393 Infrared Optocoupler Speed Sensor Module

    LM393 Infrared Optocoupler Speed Sensor Module

    4.7  (2) 
    $0.30 As low as $0.27
  30. MQ-9 Carbon Monoxide & Flammable Gas Sensor Module

    MQ-9 Carbon Monoxide & Flammable Gas Sensor Module

    4.3  (3) 
    $1.25 As low as $1.08
  31. 5528 Photocell Photoresistor Sensor - 150V, 5mm - Pack of 20

    5528 Photocell Photoresistor Sensor - 150V, 5mm - Pack of 20

    4.8  (6) 
    $0.45 As low as $0.41
  32. KY-028 Digital Temperature Sensor Module

    KY-028 Digital Temperature Sensor Module

    5.0  (2) 
    $0.30 As low as $0.27
  33. Liquid Level Detection Sensor Module - Pack of 5

    Liquid Level Detection Sensor Module - Pack of 5

    5.0  (1) 
    $0.90 As low as $0.70
  34. DS18B20 Temperature Sensor - Pack of 5

    DS18B20 Temperature Sensor - Pack of 5

    4.8  (5) 
    $0.95 As low as $0.75
  35. GY-271 QMC5883L 3-Axis Compass Magnetometer Sensor Module

    GY-271 QMC5883L 3-Axis Compass Magnetometer Sensor Module

    3.5  (2) 
    $1.25 As low as $1.11
  36. JSN-SR04T Water Proof Ultrasonic Distance Sensor Module

    JSN-SR04T Water Proof Ultrasonic Distance Sensor Module

    4.4  (3) 
    $2.50
  37. TTP223 Capacitive Touch Switch Button - Pack of 10

    TTP223 Capacitive Touch Switch Button - Pack of 10

    4.8  (17) 
    $0.55 As low as $0.49
  38. 3D Printer Optical Endstop Switch Module

    3D Printer Optical Endstop Switch Module

    3.8  (3) 
    $0.50 As low as $0.44
  39. MQ-7 Carbon Monoxide Detection Sensor Module

    MQ-7 Carbon Monoxide Detection Sensor Module

    4.6  (3) 
    $1.25 As low as $1.09
  40. TA288 LCD Digital Thermometer - Stainless Steel Probe

    TA288 LCD Digital Thermometer - Stainless Steel Probe

    4.0  (1) 
    $0.80 As low as $0.74
  41. Piezoelectric Shock Tap Sensor, Vibration Switch Module

    Piezoelectric Shock Tap Sensor, Vibration Switch Module

    5.0  (1) 
    $0.65 As low as $0.58
  42. MPS20N0040D Digital Barometric Pressure Module w/ HX710 ADC Converter

    MPS20N0040D Digital Barometric Pressure Module w/ HX710 ADC Converter

    3.5  (1) 
    Out of stock
  43. GY-530 VL53LOX Laser Rangefinder Sensor Module

    GY-530 VL53LOX Laser Rangefinder Sensor Module

    4.8  (3) 
    $1.75 As low as $1.52
  44. IR Infrared Flame Sensor Module

    IR Infrared Flame Sensor Module

    4.0  (3) 
    $0.30 As low as $0.27
  45. P100 Liquid Level Sensor - Float Switch

    P100 Liquid Level Sensor - Float Switch

    5.0  (1) 
    $0.95 As low as $0.85
  46. GY-213V-HTU21D Temperature Humidity Sensor Module

    GY-213V-HTU21D Temperature Humidity Sensor Module

    5.0  (3) 
    $1.50 As low as $1.29
  47. Capacitive Soil Moisture Sensor Module

    Capacitive Soil Moisture Sensor Module

    3.0  (1) 
    $0.30
  48. SHT20 Temperature Humidity Sensor Module

    SHT20 Temperature Humidity Sensor Module

    3.5  (2) 
    $1.95 As low as $1.72
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