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Search results for: 'heartbeat module ky-039 heartbeat sensor circuit diagram'

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  1. 1-8 Cell Lithium Battery Level Indicator Module 1-8 Cell Lithium Battery Level Indicator Module 1-8 Cell Lithium Battery Level Indicator Module 1-8 Cell Lithium Battery Level Indicator Module
    1-8 Cell Lithium Battery Level Indicator Module
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    141234
    1-8 Cell Lithium Battery Level Indicator Module
    $0.4700 As low as $0.4160
    Rating:
    95%
    7  Reviews
    In stock
  2. TM1637 4-Digit 7-Segment Display Module TM1637 4-Digit 7-Segment Display Module TM1637 4-Digit 7-Segment Display Module TM1637 4-Digit 7-Segment Display Module
    TM1637 4-Digit 7-Segment Display Module
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    141234
    TM1637 4-Digit 7-Segment Display Module
    $0.2850 As low as $0.2520
    Rating:
    90%
    3  Reviews
    In stock
  3. Aluminium Heat Sink for High Power LED (1/3/5 Watt) Aluminium Heat Sink for High Power LED (1/3/5 Watt) Aluminium Heat Sink for High Power LED (1/3/5 Watt) Aluminium Heat Sink for High Power LED (1/3/5 Watt)
    Aluminium Heat Sink for High Power LED (1/3/5 Watt)
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    141234
    Aluminium Heat Sink for High Power LED (1/3/5 Watt)
    $0.0210 As low as $0.0183
    Rating:
    75%
    2  Reviews
    In stock
  4. 5V Relay Module with Wifi Mobile Phone Remote Control 5V Relay Module with Wifi Mobile Phone Remote Control 5V Relay Module with Wifi Mobile Phone Remote Control 5V Relay Module with Wifi Mobile Phone Remote Control
    5V Relay Module with Wifi Mobile Phone Remote Control
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    141234
    5V Relay Module with Wifi Mobile Phone Remote Control
    $5.2500 As low as $4.5700
    In stock
  5. 10 Segment 4 Color Light Bar Graph LED Display 10 Segment 4 Color Light Bar Graph LED Display 10 Segment 4 Color Light Bar Graph LED Display 10 Segment 4 Color Light Bar Graph LED Display
    10 Segment 4 Color Light Bar Graph LED Display
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    141234
    10 Segment 4 Color Light Bar Graph LED Display
    $0.7000 As low as $0.6000
    Rating:
    100%
    1  Review
    In stock
  6. SONOFF WiFi Wireless Smart Relay Switch SONOFF WiFi Wireless Smart Relay Switch SONOFF WiFi Wireless Smart Relay Switch SONOFF WiFi Wireless Smart Relay Switch
    SONOFF WiFi Wireless Smart Relay Switch
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    141234
    SONOFF WiFi Wireless Smart Relay Switch
    $6.7500 As low as $5.8800
    In stock
  7. 2S Lithium Battery Level Indicator Module 2S Lithium Battery Level Indicator Module 2S Lithium Battery Level Indicator Module 2S Lithium Battery Level Indicator Module
    2S Lithium Battery Level Indicator Module
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    141234
    2S Lithium Battery Level Indicator Module
    $0.5500 As low as $0.4900
    Rating:
    70%
    2  Reviews
    In stock
  8. 1S Lithium Battery Level Indicator Module 1S Lithium Battery Level Indicator Module 1S Lithium Battery Level Indicator Module 1S Lithium Battery Level Indicator Module
    1S Lithium Battery Level Indicator Module
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    141234
    1S Lithium Battery Level Indicator Module
    $0.5500 As low as $0.4900
    Rating:
    93%
    3  Reviews
    In stock
  9. USB3.1 Type-C Male Plug with PCB Breakout Board USB3.1 Type-C Male Plug with PCB Breakout Board USB3.1 Type-C Male Plug with PCB Breakout Board USB3.1 Type-C Male Plug with PCB Breakout Board
    USB3.1 Type-C Male Plug with PCB Breakout Board
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    141234
    USB3.1 Type-C Male Plug with PCB Breakout Board
    $0.0840 As low as $0.0745
    Rating:
    94%
    5  Reviews
    In stock
  10. Bi-Color 5-Bars Battery Bar Graph LED Display Bi-Color 5-Bars Battery Bar Graph LED Display Bi-Color 5-Bars Battery Bar Graph LED Display Bi-Color 5-Bars Battery Bar Graph LED Display
    Bi-Color 5-Bars Battery Bar Graph LED Display
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    141234
    Bi-Color 5-Bars Battery Bar Graph LED Display
    $0.4750 As low as $0.4130
    In stock
  11. 10 Segment Light Bar Graph LED Display - Blue 10 Segment Light Bar Graph LED Display - Blue 10 Segment Light Bar Graph LED Display - Blue 10 Segment Light Bar Graph LED Display - Blue
    10 Segment Light Bar Graph LED Display - Blue
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    141234
    10 Segment Light Bar Graph LED Display - Blue
    $0.4750 As low as $0.4130
    Rating:
    90%
    2  Reviews
    In stock
  12. Mini USB Female to DIP Adapter Breakout Board Mini USB Female to DIP Adapter Breakout Board Mini USB Female to DIP Adapter Breakout Board Mini USB Female to DIP Adapter Breakout Board
    Mini USB Female to DIP Adapter Breakout Board
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    141234
    Mini USB Female to DIP Adapter Breakout Board
    $0.0720 As low as $0.0638
    Rating:
    100%
    3  Reviews
    In stock
  13. WS2812B RGB LED (SMD Package 5050) WS2812B RGB LED (SMD Package 5050) WS2812B RGB LED (SMD Package 5050) WS2812B RGB LED (SMD Package 5050)
    WS2812B RGB LED (SMD Package 5050)
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    141234
    WS2812B RGB LED (SMD Package 5050)
    SAVE
    As low as $0.0140
    Rating:
    100%
    4  Reviews
    In stock
  14. SLA-12VDC-SL-A Relay - 12V, 30A SLA-12VDC-SL-A Relay - 12V, 30A SLA-12VDC-SL-A Relay - 12V, 30A SLA-12VDC-SL-A Relay - 12V, 30A
    SLA-12VDC-SL-A Relay - 12V, 30A
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    141234
    SLA-12VDC-SL-A Relay - 12V, 30A
    $0.6000 As low as $0.5200
    Rating:
    72%
    3  Reviews
    In stock
  15. 1N4744 Zener Diode 1N4744 Zener Diode 1N4744 Zener Diode
    1N4744 Zener Diode
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    13123
    1N4744 Zener Diode
    $0.0120 As low as $0.0104
    Rating:
    100%
    1  Review
    In stock
  16. DB107 1A Bridge Rectifier DB107 1A Bridge Rectifier DB107 1A Bridge Rectifier
    DB107 1A Bridge Rectifier
    Quickview
    13123
    DB107 1A Bridge Rectifier
    $0.0320 As low as $0.0278
    Rating:
    100%
    1  Review
    In stock
  17. 1N4007 Diode 1N4007 Diode 1N4007 Diode
    1N4007 Diode
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    13123
    1N4007 Diode
    $0.0052 As low as $0.0045
    Rating:
    60%
    1  Review
    In stock
  18. SRD-24VDC Relay - 24V SRD-24VDC Relay - 24V SRD-24VDC Relay - 24V SRD-24VDC Relay - 24V
    SRD-24VDC Relay - 24V
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    141234
    SRD-24VDC Relay - 24V
    $0.1900 As low as $0.1650
    In stock
  19. TM1638 8-Digit 7-Segments with 8 Push Buttons TM1638 8-Digit 7-Segments with 8 Push Buttons TM1638 8-Digit 7-Segments with 8 Push Buttons TM1638 8-Digit 7-Segments with 8 Push Buttons
    TM1638 8-Digit 7-Segments with 8 Push Buttons
    Quickview
    141234
    TM1638 8-Digit 7-Segments with 8 Push Buttons
    $1.5000 As low as $1.2900
    Rating:
    90%
    1  Review
    In stock
  20. MAX7219 8-Digit 7-Segment Display Module MAX7219 8-Digit 7-Segment Display Module MAX7219 8-Digit 7-Segment Display Module MAX7219 8-Digit 7-Segment Display Module
    MAX7219 8-Digit 7-Segment Display Module
    Quickview
    141234
    MAX7219 8-Digit 7-Segment Display Module
    $0.9500 As low as $0.8400
    Rating:
    85%
    2  Reviews
    In stock
  21. L293D Driver IC (DIP) L293D Driver IC (DIP) L293D Driver IC (DIP)
    L293D Driver IC (DIP)
    Quickview
    13123
    L293D Driver IC (DIP)
    $0.1700 As low as $0.1500
    Rating:
    98%
    5  Reviews
    In stock
  22. CD4017BE Decade Counter (DIP-16) CD4017BE Decade Counter (DIP-16) CD4017BE Decade Counter (DIP-16)
    CD4017BE Decade Counter (DIP-16)
    Quickview
    13123
    CD4017BE Decade Counter (DIP-16)
    $0.3150 As low as $0.2790
    In stock
  23. SOP28/SSOP28/TSSOP28 SMD to DIP Adapter SOP28/SSOP28/TSSOP28 SMD to DIP Adapter SOP28/SSOP28/TSSOP28 SMD to DIP Adapter SOP28/SSOP28/TSSOP28 SMD to DIP Adapter
    SOP28/SSOP28/TSSOP28 SMD to DIP Adapter
    Quickview
    141234
    SOP28/SSOP28/TSSOP28 SMD to DIP Adapter
    SAVE
    As low as $0.0550
    Rating:
    67%
    3  Reviews
    In stock
  24. SOP16/SSOP16/TSSOP16 SMD to DIP Adapter SOP16/SSOP16/TSSOP16 SMD to DIP Adapter SOP16/SSOP16/TSSOP16 SMD to DIP Adapter SOP16/SSOP16/TSSOP16 SMD to DIP Adapter
    SOP16/SSOP16/TSSOP16 SMD to DIP Adapter
    Quickview
    141234
    SOP16/SSOP16/TSSOP16 SMD to DIP Adapter
    $0.0310 As low as $0.0275
    Rating:
    87%
    3  Reviews
    In stock
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