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How to wire Hazardous Gas Sensor - MQ-135 to ESP32 ESP32S3 dev module arduino code led example ESP32-S3 LCD 4 Inch Evaluation Module ESP32-S3-CAM 2.4G WIFI BT Module Development Board With OV2640 Camera Dual TYPE-C esp32 dev module vin pin max voltage
  1. CM108 USB Drive Free External Sound Card Module

    CM108 USB Drive Free External Sound Card Module

    $2.95 As low as $2.62
  2. HLK-LD2410B Human Presence Radar Sensor Motion Module

    HLK-LD2410B Human Presence Radar Sensor Motion Module

    $4.25 As low as $3.76
  3. LM2596 Constant Current Buck-Boost Power Supply Module

    LM2596 Constant Current Buck-Boost Power Supply Module

    4.6  (4) 
    $3.25 As low as $2.92
  4. ESP-201 ESP8266 WiFi Module

    ESP-201 ESP8266 WiFi Module

    $3.50 As low as $3.08
  5. R301 Semiconductor Fingerprint Sensor Module

    R301 Semiconductor Fingerprint Sensor Module

    As low as $20.50
  6. FC-04 Microphone Sound Sensor Module

    FC-04 Microphone Sound Sensor Module

    4.8  (2) 
    $0.40 As low as $0.35
  7. 38KHz Infrared Receiver Module

    38KHz Infrared Receiver Module

    5.0  (1) 
    Out of stock
  8. SIM808 Module with IPX SMA Antenna (GSM/GPS/GPRS)

    SIM808 Module with IPX SMA Antenna (GSM/GPS/GPRS)

    4.0  (1) 
    $15.75 As low as $13.98
  9. SIM800L Wireless Quad-Band Module (GSM/SMS/GPRS)

    SIM800L Wireless Quad-Band Module (GSM/SMS/GPRS)

    $4.25 As low as $3.85
  10. GPD2846A TF Card MP3 Decoder 2W Amplifier Module

    GPD2846A TF Card MP3 Decoder 2W Amplifier Module

    4.8  (3) 
    $0.65 As low as $0.58
  11. Focusable Dot Laser Module - 3V, 5mW, 650nm (Red)

    Focusable Dot Laser Module - 3V, 5mW, 650nm (Red)

    5.0  (1) 
    $1.50 As low as $1.31
  12. Focusable Line Laser Module - 3V, 5mW, 650nm (Red)

    Focusable Line Laser Module - 3V, 5mW, 650nm (Red)

    5.0  (3) 
    $1.50 As low as $1.31
  13. LoRa RA-01 SX1278 433MHz Transceiver Module

    LoRa RA-01 SX1278 433MHz Transceiver Module

    5.0  (2) 
    $4.75 As low as $4.18
  14. AK09911C 3-Axis Geomagnetic Hall Effect Sensor Module

    AK09911C 3-Axis Geomagnetic Hall Effect Sensor Module

    Out of stock
  15. Wireless USB Remote Control Mouse for PC

    Wireless USB Remote Control Mouse for PC

    $3.75 As low as $3.30
  16. 37 in 1 Arduino Sensor Module Kit

    37 in 1 Arduino Sensor Module Kit

    5.0  (1) 
    $10.75 As low as $9.54
  17. YwRobot Soil Moisture Sensor Module

    YwRobot Soil Moisture Sensor Module

    $2.50 As low as $2.20
  18. 0.96inch 128x64 SPI OLED Display Module - Yellow and Blue

    0.96inch 128x64 SPI OLED Display Module - Yellow and Blue

    4.5  (3) 
    $2.25 As low as $2.02
  19. 0.91inch 128x32 I2C OLED Display Module - One Color

    0.91inch 128x32 I2C OLED Display Module - One Color

    5.0  (1) 
    $1.50 As low as $1.33
  20. Waveshare 0.96 inch OLED SPI/I2C Display Module (B)

    Waveshare 0.96 inch OLED SPI/I2C Display Module (B)

    Out of stock
  21. HJR-4102-L Relay - 12V

    HJR-4102-L Relay - 12V

    $0.30 As low as $0.26
  22. DFPlayer Serial MP3 Aludio Player Module

    DFPlayer Serial MP3 Aludio Player Module

    Out of stock
  23. RXB61 315MHz Wireless Receiver Module

    RXB61 315MHz Wireless Receiver Module

    $0.75 As low as $0.66
  24. YX6300 UART TTL Serial MP3 Music Player Module Supports SD

    YX6300 UART TTL Serial MP3 Music Player Module Supports SD

    4.0  (1) 
    $1.95 As low as $1.75
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