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    购买 Esp32 to Relay 5V

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    $15.99
    Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relay Board With Optocoupler Support High/Low Level Trigger For Arduino Relay
    Amazon.com
    76
    $15.99
    Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relay Board With Optocoupler Support High/Low Level Trigger For Arduino Relay
    Amazon.com
    76
    $12.81
    ESP32 128 Channel Power Supply Module DC 5-3060V WIFI Bluetooth-Compatible BLE Relay Module
    Aliexpress
    Free shipping
    $12.81
    ESP32 128 Channel Power Supply Module DC 5-3060V WIFI Bluetooth-Compatible BLE Relay Module
    Aliexpress
    Free shipping
    $11.39
    Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
    Amazon.com
    $11.39
    Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
    Amazon.com
    $189.00
    Web Power Switch Pro Model
    Amazon.com
    262
    Free shipping
    $189.00
    Web Power Switch Pro Model
    Amazon.com
    262
    $12.83
    AC DC Power Supply ESP32 Wifi Bluetooth BLE 4 Channel Relay Module ESP32-WROOM Development Board
    Aliexpress
    Free shipping
    $12.83
    AC DC Power Supply ESP32 Wifi Bluetooth BLE 4 Channel Relay Module ESP32-WROOM Development Board
    Aliexpress
    Free shipping
    $11.94
    T-Relay ESP32 Chip DC 5V 4 Groups Relay 4MB Flash Iot Relay Suport Wifi Bluetooth Development Boar
    Aliexpress
    Free shipping
    $11.94
    T-Relay ESP32 Chip DC 5V 4 Groups Relay 4MB Flash Iot Relay Suport Wifi Bluetooth Development Boar
    Aliexpress
    Free shipping
    $91.95
    Rain Bird LNK2 Wifi Module (2Nd Generation), Works With All Rain Bird Wifi Controllers Including ESP-ME3, ESP-TM2, ESP-Me
    Amazon.com
    Free shipping
    $91.95
    Rain Bird LNK2 Wifi Module (2Nd Generation), Works With All Rain Bird Wifi Controllers Including ESP-ME3, ESP-TM2, ESP-Me
    Amazon.com
    Free shipping
    $6.79
    4Pcs 5V 2 Channel Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32
    Temu US
    109
    $6.79
    4Pcs 5V 2 Channel Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32
    Temu US
    109
    $25.99
    Irhapsody Relay 24V, 30/40 Amp Waterproof Relay, 5 Pin Automotive Relay, Spdt 5 Prong 24-Volt Relay With Heavy Duty Pigtail Wiring Harness
    Amazon.com
    157
    $25.99
    Irhapsody Relay 24V, 30/40 Amp Waterproof Relay, 5 Pin Automotive Relay, Spdt 5 Prong 24-Volt Relay With Heavy Duty Pigtail Wiring Harness
    Amazon.com
    157
    $49.99
    AITRIP 10PCS 38Pin ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4Ghz Dual-Mode Wifi + Bluetooth Dual Cores Microcontroller Processor Integrated
    Amazon.com
    Free shipping
    $49.99
    AITRIP 10PCS 38Pin ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4Ghz Dual-Mode Wifi + Bluetooth Dual Cores Microcontroller Processor Integrated
    Amazon.com
    Free shipping
    $200.00
    Apc By Schneider Electric AP9613 Relay I O Smartslot Card
    Amazon.com
    Free shipping
    $200.00
    Apc By Schneider Electric AP9613 Relay I O Smartslot Card
    Amazon.com
    Free shipping
    $5.99
    2Pcs 4-Channel 5V Relay Module With Optocoupler Compatible With Arduino R3 MEGA 2560 DSP ARM PIC AVR STM32
    Temu US
    $5.99
    2Pcs 4-Channel 5V Relay Module With Optocoupler Compatible With Arduino R3 MEGA 2560 DSP ARM PIC AVR STM32
    Temu US
    $59.95
    Freenove Ultimate Starter Kit For ESP32-S3-WROOM CAM (Included), Dual-Core 32-Bit 240 Mhz Microcontroller, Onboard Camera Wireless, Python C Java,
    Amazon.com
    57
    Free shipping
    $59.95
    Freenove Ultimate Starter Kit For ESP32-S3-WROOM CAM (Included), Dual-Core 32-Bit 240 Mhz Microcontroller, Onboard Camera Wireless, Python C Java,
    Amazon.com
    57
    $8.59
    Hiletgo 2Pcs DC 12V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 12V
    Amazon.com
    $8.59
    Hiletgo 2Pcs DC 12V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 12V
    Amazon.com
    $7.56
    Relay Module Optocoupler Relay Arduino 5V 12V Relay Output 1 2 4 6 8 Channel Relay Module Trigger Board Shield
    Temu US
    9
    $7.56
    Relay Module Optocoupler Relay Arduino 5V 12V Relay Output 1 2 4 6 8 Channel Relay Module Trigger Board Shield
    Temu US
    9
    $21.26
    ESP32 Development Board Starter Kit With LCD Display, DHT11 Sensor, 2 Relay PIR, Potentiometer, Leds, Breadboard, Buzzer & Cables - Electronic
    Temu US
    $21.26
    ESP32 Development Board Starter Kit With LCD Display, DHT11 Sensor, 2 Relay PIR, Potentiometer, Leds, Breadboard, Buzzer & Cables - Electronic
    Temu US