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Search results for: 'overview adafruit si7021 temperature humidity sensor adafruit learning system'

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systemfunctions,and finally use a buzzer module to achieve alarm function.The nursestation displays patient data through an OLED Sensor kit and module sensor module terminal for arduino Adafruit FeatherWing OLED - 128x64 OLED circuitpython getting started Sensor de temperatura corporal Sensor: LM35 o MLX90614. arduino
  1. CJMCU-0201 Double Key Button Capacitive Touch Sensor

    CJMCU-0201 Double Key Button Capacitive Touch Sensor

    $1.25 As low as $1.10
  2. 37 in 1 Arduino Sensor Module Kit

    37 in 1 Arduino Sensor Module Kit

    5.0  (1) 
    $10.75 As low as $9.54
  3. MQ-4 Methan Natural Gas Sensor Module

    MQ-4 Methan Natural Gas Sensor Module

    5.0  (1) 
    $1.25 As low as $1.06
  4. Y25 Non-contact Water Liquid Level Sensor

    Y25 Non-contact Water Liquid Level Sensor

    $4.95 As low as $4.36
  5. BME280 I2C/SPI Barometric Pressure Sensor Module

    BME280 I2C/SPI Barometric Pressure Sensor Module

    $6.75 As low as $5.98
  6. RCWL-0516 Microwave Radar Motion Detector Sensor

    RCWL-0516 Microwave Radar Motion Detector Sensor

    5.0  (1) 
    $0.30 As low as $0.27
  7. TTP224 4-Channel Capacitive Touch Sensor Module

    TTP224 4-Channel Capacitive Touch Sensor Module

    $0.55 As low as $0.48
  8. GP2Y0E0 Infrared Distance Distance Sensor

    GP2Y0E0 Infrared Distance Distance Sensor

    Out of stock
  9. MQ-8 Hydrogen Gas Sensor Module

    MQ-8 Hydrogen Gas Sensor Module

    $0.75 As low as $0.66
  10. GY-955 9DOF AHRS Kalman Filter Sensor Module

    GY-955 9DOF AHRS Kalman Filter Sensor Module

    Out of stock
  11. Base PCB Board MQ Gas Sensors

    Base PCB Board MQ Gas Sensors

    $0.50 As low as $0.44
  12. 80W Electric Soldering System

    80W Electric Soldering System

    $6.50 As low as $5.75
  13. CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module

    CCS811 Carbon Dioxide CO2 Air Quality Gas Sensor Module

    $10.25 As low as $9.17
  14. PIR 5050 LED Human Sensor Switch Light Bar - 6A, 12/24V

    PIR 5050 LED Human Sensor Switch Light Bar - 6A, 12/24V

    $2.50 As low as $2.20
  15. MS5540-CM Digital Waterproof Air Pressure Height Sensor Module

    MS5540-CM Digital Waterproof Air Pressure Height Sensor Module

    $13.25 As low as $11.74
  16. GY-56 VL53L1X Laser Ranging Sensor Module

    GY-56 VL53L1X Laser Ranging Sensor Module

    $8.95 As low as $7.92
  17. PAJ7620U2 Gesture Recognition Sensor Module

    PAJ7620U2 Gesture Recognition Sensor Module

    $5.50 As low as $4.90
  18. AS5600 12Bit Magnetic Encoder Induction Angle Measurement Sensor Module

    AS5600 12Bit Magnetic Encoder Induction Angle Measurement Sensor Module

    $1.50 As low as $1.29
  19. Seeed XIAO ESP32S3 Sense with OV2640 Camera Sensor

    Seeed XIAO ESP32S3 Sense with OV2640 Camera Sensor

    $21.50 As low as $19.21
  20. ICSH044A Trackball Hall Effect Sensor Module

    ICSH044A Trackball Hall Effect Sensor Module

    $5.75 As low as $5.10
  21. Rain Dectection Sensor Module with Relay

    Rain Dectection Sensor Module with Relay

    $1.75 As low as $1.53
  22. INA3221 Tripple Channel DC Current Voltage Sensor Module -I2C

    INA3221 Tripple Channel DC Current Voltage Sensor Module -I2C

    $1.25 As low as $1.10
  23. Hi-Link LD2461 Human Presence Radar Sensor Motion Module

    Hi-Link LD2461 Human Presence Radar Sensor Motion Module

    $21.75 As low as $19.21
  24. MLX90333 Handle 3D Joystick Absolute Position Sensor Module

    MLX90333 Handle 3D Joystick Absolute Position Sensor Module

    $6.50 As low as $5.74
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