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"volt meter"
Solar Power Management Module for 6V~24V Solar Panel Supports Solar Panel/USB Connection Battery Charging Onboard MPPT Set Switch
Limited time offer, ends 11/08
$38.76
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5Pcs 1 Channel DC 3V/3.3V Power Relay Module 3V Relay Switch Module with Optocoupler Relay Module Isolated Drive Control Board 10A 250VAC 10A 30VDC Control Development Board
Limited time offer, ends 11/09
$11.99
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Solar Power Management Module for 6V~24V Solar Panel Supports Solar Panel/USB Connection Battery Charging Onboard MPPT Set Switch
Limited time offer, ends 11/08
$37.76
Free Shipping
5Pcs ZMCT103C 5A AC Current Sensor Module Single Phase Micro Current Transformer Module 5A Range AC Active Precision Output 3000V for Arduino
Limited time offer, ends 11/08
$11.93
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Gravity: Analog TDS Meter Sensor Kit for Arduino - 83cm Waterproof Probe with Anti-Polarization Design, 0-1000ppm ±10%, Water Quality Testing for Hydroponics/Aquarium/Home
Limited time offer, ends 11/08
$28.35
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1.9inch E-Paper Module 91 Segments E-Ink Display for Raspberry Pi/Arduino/STM32, Black/White Display Color, I2C Bus, Support Partial Refresh, 3.3V/5V
Limited time offer, ends 11/07
$178.91
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USB to RS485/422 Converter Onboard FT232RL and SP485EEN Chip, Galvanic Isolated Converter with Multiple Protection, Support Win11/10/8.1/8/7/XP, Mac, Linux, Android, Wince, etc
Limited time offer, ends 11/07
$232.91
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USB to RS485 Converter Communication Module Extending USB to 4CH RS485, Transmission Distance up to 1.2km, Multi Protection Circuits, Support Win11/10/8.1/8/7 Mac Linux Android etc.
Limited time offer, ends 11/07
$205.91
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3Pcs 3S 12V 25A Lithium Battery Protection Board 11.1V-12.6V 18650 Lithium Battery Balanced Function Board with USB Plug, Green Two-Terminal Connector
Limited time offer, ends 11/08
$16.73
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YYI-2 5V 12V 24V Current Detection Module Current Limit Overcurrent Motor Blocking Protection Board Current Sensor Relay Board 5-24V DC
Limited time offer, ends 11/08
$17.76
Free Shipping
waveshare water level alarm sensor module liquid level sensor circuit depth detection sensor module
Limited time offer, ends 11/08
$16.14
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1.9inch Segment E-Paper Display Module, 91 Segments, I2C Interface, Support Partial Refresh, Humidifier, Digital Meter
Limited time offer, ends 11/08
$56.86
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1.9inch Segment E-Paper Module 91 Segments Black/White Color epaper Display I2C Screen for Raspberry Pi/STM32/Arduino,Ideal for Temperature and Humidity Meter, Humidifier, Digital Meter
Limited time offer, ends 11/08
$47.00
Free Shipping