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Search results for: '1Ch Relay Module with Optocupler 5V'

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Module pattern step module 107 Relay Module - 5v relay modul module sd card arduino
  1. 5V Bluetooth MP3 Decoder Car FM Radio Module Support TF USB AUX w/ Remote Control

    5V Bluetooth MP3 Decoder Car FM Radio Module Support TF USB AUX w/ Remote Control

    5.0  (1) 
    $2.75 As low as $2.41
  2. TPA3118 Audio Amplifier Module - 60W, 1-Channel

    TPA3118 Audio Amplifier Module - 60W, 1-Channel

    Out of stock
  3. CJMCU PAM8302 Audio Amplifier Module - 2.5W 1-Channel

    CJMCU PAM8302 Audio Amplifier Module - 2.5W 1-Channel

    $0.70 As low as $0.62
  4. XPT8871 Audio Amplifier Module - 6W, 1-Channel

    XPT8871 Audio Amplifier Module - 6W, 1-Channel

    4.3  (4) 
    $0.30 As low as $0.27
  5. HXJ8002 Audio Amplifier Module - 3W, 1-Channel

    HXJ8002 Audio Amplifier Module - 3W, 1-Channel

    $0.25 As low as $0.22
  6. TPA3110 Audio Amplifier Module - 30W, 1-Channel

    TPA3110 Audio Amplifier Module - 30W, 1-Channel

    $1.25 As low as $1.10
  7. VHM-314 Bluetooth Audio Decoder Module - Supports WAV, APE, FLAC, MP3

    VHM-314 Bluetooth Audio Decoder Module - Supports WAV, APE, FLAC, MP3

    4.3  (8) 
    $0.75 As low as $0.67
  8. KY-037 Sound Detection Sensor Module

    KY-037 Sound Detection Sensor Module

    2.0  (1) 
    $0.35 As low as $0.31
  9. CJMCU AGC MAX9814 Microphone Amplifier Module

    CJMCU AGC MAX9814 Microphone Amplifier Module

    $1.95 As low as $1.74
  10. Active Buzzer Alarm Sound Module - Pack of 5

    Active Buzzer Alarm Sound Module - Pack of 5

    4.2  (3) 
    $1.25 As low as $0.96
  11. FC-04 Microphone Sound Sensor Module

    FC-04 Microphone Sound Sensor Module

    4.8  (2) 
    $0.40 As low as $0.35
  12. DY-SV17F Mini MP3 Player Audio Module - IO Trigger USB Download, 4MB Flash

    DY-SV17F Mini MP3 Player Audio Module - IO Trigger USB Download, 4MB Flash

    4.5  (1) 
    $1.95 As low as $1.74
  13. MAX4466 Electret Microphone Adjustable Amplifier Module

    MAX4466 Electret Microphone Adjustable Amplifier Module

    4.4  (3) 
    $0.90 As low as $0.80
  14. 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
  15. Passive Buzzer Alarm Sound Module - Pack of 5

    Passive Buzzer Alarm Sound Module - Pack of 5

    4.0  (1) 
    $0.95 As low as $0.85
  16. YwRobot TDA2822 Dual-channel Audio Amplifier Module

    YwRobot TDA2822 Dual-channel Audio Amplifier Module

    $5.95 As low as $5.28
  17. LM386 Audio Amplifier Module - 200 Adjustable Gain

    LM386 Audio Amplifier Module - 200 Adjustable Gain

    5.0  (1) 
    $0.35 As low as $0.31
  18. WT588D-16p Sound Player Module

    WT588D-16p Sound Player Module

    $2.25 As low as $1.96
  19. TDA7492P Bluetooth Digital Amplifier Audio Receiver Module

    TDA7492P Bluetooth Digital Amplifier Audio Receiver Module

    $11.25 As low as $9.95
  20. WTV020-SD Micro SD Card MP3 Sound Player Module

    WTV020-SD Micro SD Card MP3 Sound Player Module

    Out of stock
  21. MAX9812L Microphone Amplifier Voice Module

    MAX9812L Microphone Amplifier Voice Module

    $2.25 As low as $1.95
  22. OPA541 Low Frequency Power Amplifier Module

    OPA541 Low Frequency Power Amplifier Module

    $36.25
  23. TDA7297 2x15W Audio Power Amplifier Module

    TDA7297 2x15W Audio Power Amplifier Module

    $1.95 As low as $1.77
  24. ISD1820 Voice Recording Playback Module

    ISD1820 Voice Recording Playback Module

    $1.95 As low as $1.64
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