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Search results for: 'esp8266 esp-01 ds18B20 temperature humidity sensor module nodemcu smart home iot diy'

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sensor and module MODULE VOLTAGE Humidity Sensor Relay Module 5V Module Temperature Sensor - PT100 Temperature Sensor TMP117 - I²C
  1. 4-Channel Relay Module - 12V

    4-Channel Relay Module - 12V

    $1.50 As low as $1.33
  2. 8-Channel Relay Module - 12V

    8-Channel Relay Module - 12V

    5.0  (1) 
    $2.95 As low as $2.62
  3. NE555 12V Delay Timer Relay Switch Module

    NE555 12V Delay Timer Relay Switch Module

    $0.65 As low as $0.57
  4. 5V-30V Trigger Delay Relay Timer Module

    5V-30V Trigger Delay Relay Timer Module

    $0.60 As low as $0.54
  5. 8-Channel Relay Module - 5V

    8-Channel Relay Module - 5V

    4.8  (2) 
    $2.95 As low as $2.62
  6. XH-W1219 Digital Thermostat Temptrature Controller Module

    XH-W1219 Digital Thermostat Temptrature Controller Module

    4.0  (2) 
    $2.25 As low as $2.11
  7. 5V Relay Module with Wifi Mobile Phone Remote Control

    5V Relay Module with Wifi Mobile Phone Remote Control

    $4.95 As low as $4.54
  8. 1-Channel Bluetooth Relay Module

    1-Channel Bluetooth Relay Module

    $4.50 As low as $3.96
  9. Waveshare Industrial 6-Channel ESP32-S3 WiFi Relay Module

    Waveshare Industrial 6-Channel ESP32-S3 WiFi Relay Module

    $34.95 As low as $30.91
  10. 2-Channel Bluetooth Relay Module

    2-Channel Bluetooth Relay Module

    $4.50 As low as $3.96
  11. TTL/RS485 2-Channel Relay Module

    TTL/RS485 2-Channel Relay Module

    $4.25 As low as $3.73
  12. TTL/RS485 4-Channel Relay Module

    TTL/RS485 4-Channel Relay Module

    $5.50 As low as $4.86
  13. YwRobot 1-Channel Relay Module - 5V

    YwRobot 1-Channel Relay Module - 5V

    $2.50 As low as $2.20
  14. 2-Channel SSR Solid-State Relay Module - 5V

    2-Channel SSR Solid-State Relay Module - 5V

    3.0  (2) 
    $8.25 As low as $7.30
  15. XY-J05 Timer Relay Module with Voltage Detection

    XY-J05 Timer Relay Module with Voltage Detection

    $4.75
  16. 4 Channel Relay 315MHz Remote Control Module

    4 Channel Relay 315MHz Remote Control Module

    $11.25 As low as $9.94
  17. TTL/RS485 1-Channel Relay Module

    TTL/RS485 1-Channel Relay Module

    $3.75 As low as $3.29
  18. Relay Module with Adjustable Timer Delay

    Relay Module with Adjustable Timer Delay

    As low as $2.25
  19. ESP8266 Wi-Fi 5V Relay Module for IoT/Smart Homes

    ESP8266 Wi-Fi 5V Relay Module for IoT/Smart Homes

    3.0  (1) 
    Out of stock
  20. 4-Channel SSR Solid State Relay Module - 5V

    4-Channel SSR Solid State Relay Module - 5V

    Out of stock
  21. 2-Channel Relay Module - 5V

    2-Channel Relay Module - 5V

    Out of stock
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