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51% off
4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART 4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART

4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART

$26.00$53.07

71 sold
34% off
Digital Barometric Pressure Sensor Module 0- 40KPa Water Level Controller Board for Arduino Liquid Flow Sensor Module HX710B Digital Barometric Pressure Sensor Module 0- 40KPa Water Level Controller Board for Arduino Liquid Flow Sensor Module HX710B

Digital Barometric Pressure Sensor Module 0- 40KPa Water Level Controller Board for Arduino Liquid Flow Sensor Module HX710B

$23.45$35.95

59 sold
28% off
20pcs/1pc MAX3485 SP3485 TTL to RS485 Converter Module ZY-MAX3485 ZY-SP3485 Communication Microcontroller Level Conversion Board 20pcs/1pc MAX3485 SP3485 TTL to RS485 Converter Module ZY-MAX3485 ZY-SP3485 Communication Microcontroller Level Conversion Board

20pcs/1pc MAX3485 SP3485 TTL to RS485 Converter Module ZY-MAX3485 ZY-SP3485 Communication Microcontroller Level Conversion Board

$0.68$0.95

69 sold
67% off
3D Touch Sensor Auto Bed Leveling Sensor BL Touch BLTouch 3d Printer Parts Reprap mk8 i3 Ender 3 Pro Anet A8 Tevo 3D Touch Sensor Auto Bed Leveling Sensor BL Touch BLTouch 3d Printer Parts Reprap mk8 i3 Ender 3 Pro Anet A8 Tevo

3D Touch Sensor Auto Bed Leveling Sensor BL Touch BLTouch 3d Printer Parts Reprap mk8 i3 Ender 3 Pro Anet A8 Tevo

$26.54$80.65

66 sold
3% off
Smart ATO System Auto Top Off Water Filler Refiller Level Controller with Pump for Aquarium Both Reef and Fresh Tanks Smart ATO System Auto Top Off Water Filler Refiller Level Controller with Pump for Aquarium Both Reef and Fresh Tanks

Smart ATO System Auto Top Off Water Filler Refiller Level Controller with Pump for Aquarium Both Reef and Fresh Tanks

$129.88$133.90

62 sold
50% off
Industrial TTL to RS485 Converter Auto Flow Control Module UART Level Shifter 3.3V/5V Dual Power Stable Signal Conversion Industrial TTL to RS485 Converter Auto Flow Control Module UART Level Shifter 3.3V/5V Dual Power Stable Signal Conversion

Industrial TTL to RS485 Converter Auto Flow Control Module UART Level Shifter 3.3V/5V Dual Power Stable Signal Conversion

$18.64$37.29

57 sold
RCWL-1670 Waterproof Transceiver Split Ultrasonic Ranging Module 2cm-400cm Distance DC3-5V For Water Level Measurement RCWL-1670 Waterproof Transceiver Split Ultrasonic Ranging Module 2cm-400cm Distance DC3-5V For Water Level Measurement

RCWL-1670 Waterproof Transceiver Split Ultrasonic Ranging Module 2cm-400cm Distance DC3-5V For Water Level Measurement

$3.85$3.85

64 sold
GTRIC M30 Capacitive Proximity Sensor 10-30VDC NPN PNP NO NC Flush Non-Flush Non-Metal Liquid Level Switch With 2M Cable GTRIC M30 Capacitive Proximity Sensor 10-30VDC NPN PNP NO NC Flush Non-Flush Non-Metal Liquid Level Switch With 2M Cable

GTRIC M30 Capacitive Proximity Sensor 10-30VDC NPN PNP NO NC Flush Non-Flush Non-Metal Liquid Level Switch With 2M Cable

$120.81$120.81

61 sold
49% off
LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator

LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator

$21.50$42.99

69 sold
51% off
1S 2S 3S 4S Mini Battery Level Indicator Module 3.2V LiFePO4 Batteries LED Digital Display Meter Module Battery Capacity Meter 1S 2S 3S 4S Mini Battery Level Indicator Module 3.2V LiFePO4 Batteries LED Digital Display Meter Module Battery Capacity Meter

1S 2S 3S 4S Mini Battery Level Indicator Module 3.2V LiFePO4 Batteries LED Digital Display Meter Module Battery Capacity Meter

$27.52$56.16

60 sold
67% off
1-10PCS TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Voltage Level Translation Module for Raspberry Pi 1-10PCS TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Voltage Level Translation Module for Raspberry Pi

1-10PCS TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Voltage Level Translation Module for Raspberry Pi

$24.26$73.52

66 sold
1/3/5/10PCS 4 Channel IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter Board for Arduino 1/3/5/10PCS 4 Channel IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter Board for Arduino

1/3/5/10PCS 4 Channel IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter Board for Arduino

$10.07$10.07

69 sold
30% off
WiFi Water Sensor Tuya Leak Sensor Water Overflow Level Detector 80dB Sound Alarm System Flood Leakage Sensor Remote Monitor WiFi Water Sensor Tuya Leak Sensor Water Overflow Level Detector 80dB Sound Alarm System Flood Leakage Sensor Remote Monitor

WiFi Water Sensor Tuya Leak Sensor Water Overflow Level Detector 80dB Sound Alarm System Flood Leakage Sensor Remote Monitor

$62.47$89.99

64 sold
5PCS / 10PCS MAX3232 Serial Port Mini RS232 to TTL Converter Adaptor Module Board 115200bps 3V-5V MAX3232CSE Elcetrical Levels 5PCS / 10PCS MAX3232 Serial Port Mini RS232 to TTL Converter Adaptor Module Board 115200bps 3V-5V MAX3232CSE Elcetrical Levels

5PCS / 10PCS MAX3232 Serial Port Mini RS232 to TTL Converter Adaptor Module Board 115200bps 3V-5V MAX3232CSE Elcetrical Levels

$12.08$12.08

69 sold
ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control

ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control

$4.33$4.33

74 sold
72% off
Ultrasonic Ranging Sensor IP67 Waterproof PWM UART RS485 3-450cm for Measure the Water Level for arduino Raspberry Pi Ultrasonic Ranging Sensor IP67 Waterproof PWM UART RS485 3-450cm for Measure the Water Level for arduino Raspberry Pi

Ultrasonic Ranging Sensor IP67 Waterproof PWM UART RS485 3-450cm for Measure the Water Level for arduino Raspberry Pi

$80.75$288.40

58 sold
50% off
4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART 4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART

4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART

$26.53$53.07

71 sold
TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

$7.27$7.27

65 sold
67% off
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

$63.83$193.43

69 sold
A02 A02YYUW ultrasonic waterproof ranging module waterproof probe robot obstacle avoidance ultrasonic sensor A02 A02YYUW ultrasonic waterproof ranging module waterproof probe robot obstacle avoidance ultrasonic sensor

A02 A02YYUW ultrasonic waterproof ranging module waterproof probe robot obstacle avoidance ultrasonic sensor

$18.80$18.80

64 sold
30% off
WiFi Water Level Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System WiFi Water Level Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System

WiFi Water Level Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System

$61.57$88.71

65 sold
50% off
High Accuracy Digital Pressure Sensor Module 40KPa with Water Level Controller & Liquid Flow Sensor Board HX710B High Accuracy Digital Pressure Sensor Module 40KPa with Water Level Controller & Liquid Flow Sensor Board HX710B

High Accuracy Digital Pressure Sensor Module 40KPa with Water Level Controller & Liquid Flow Sensor Board HX710B

$25.49$50.98

67 sold
66% off
1 / 5 / 10 PCS 2 Way / 4 Channel Modul IIC I2C Logic Level Converter Board Bi-Directional Module 5V to 3.3V For Arduino 1 / 5 / 10 PCS 2 Way / 4 Channel Modul IIC I2C Logic Level Converter Board Bi-Directional Module 5V to 3.3V For Arduino

1 / 5 / 10 PCS 2 Way / 4 Channel Modul IIC I2C Logic Level Converter Board Bi-Directional Module 5V to 3.3V For Arduino

$17.07$51.28

68 sold
25% off
DC 4-25V 0.36-inch 3 6 4-digit Digital Counter Module Low-Level Switching Counter Module Addition Subtraction and Zero Clearing DC 4-25V 0.36-inch 3 6 4-digit Digital Counter Module Low-Level Switching Counter Module Addition Subtraction and Zero Clearing

DC 4-25V 0.36-inch 3 6 4-digit Digital Counter Module Low-Level Switching Counter Module Addition Subtraction and Zero Clearing

$1.28$1.71

70 sold
MAX13487 Module TTL to RS485 Module 485 Converter UA Level Interconversion Hardware Automatic Control Flow Direction MAX13487 Module TTL to RS485 Module 485 Converter UA Level Interconversion Hardware Automatic Control Flow Direction

MAX13487 Module TTL to RS485 Module 485 Converter UA Level Interconversion Hardware Automatic Control Flow Direction

$13.27$13.27

70 sold
New Style Outdoor Electric Unit DC 12V-24V 180 Degree Motion Sensor Detector Switch Dry Contact Output New Style Outdoor Electric Unit DC 12V-24V 180 Degree Motion Sensor Detector Switch Dry Contact Output

New Style Outdoor Electric Unit DC 12V-24V 180 Degree Motion Sensor Detector Switch Dry Contact Output

$8.59$8.59

60 sold
51% off
1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger 1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger

1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger

$20.40$41.63

68 sold
XKC-Y28 Liquid Level Sensor with Built-in 2A Relay,Non-contact Water Detector Sensors for Water Tank Pipelines Flat Container XKC-Y28 Liquid Level Sensor with Built-in 2A Relay,Non-contact Water Detector Sensors for Water Tank Pipelines Flat Container

XKC-Y28 Liquid Level Sensor with Built-in 2A Relay,Non-contact Water Detector Sensors for Water Tank Pipelines Flat Container

$54.68$54.68

60 sold
68% off
5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi 5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi

5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi

$30.15$94.21

58 sold
12% off
14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor 14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor

14mm high precision level sensor water shortage protection tank detection water level switch sensor water level Sensor

$3.08$3.50

58 sold
30% off
Isolated MOSFET Driver Module (FR120N/LR7843/AOD4184) - 3V/5V Logic Level, Relay Replacement Board for Arduino & MCU Control Isolated MOSFET Driver Module (FR120N/LR7843/AOD4184) - 3V/5V Logic Level, Relay Replacement Board for Arduino & MCU Control

Isolated MOSFET Driver Module (FR120N/LR7843/AOD4184) - 3V/5V Logic Level, Relay Replacement Board for Arduino & MCU Control

$4.98$7.11

63 sold
66% off
USB audio spectrum lamp kit LED car volume level indicator music audio display circuit board to increase the hands-on ability USB audio spectrum lamp kit LED car volume level indicator music audio display circuit board to increase the hands-on ability

USB audio spectrum lamp kit LED car volume level indicator music audio display circuit board to increase the hands-on ability

$31.38$94.20

57 sold
16% off
12V 5V 30A Two-way isolation relay module High/low level trigger 12V/5V 30A 1-Channel Relay Module+Electronic With Optocoupler 12V 5V 30A Two-way isolation relay module High/low level trigger 12V/5V 30A 1-Channel Relay Module+Electronic With Optocoupler

12V 5V 30A Two-way isolation relay module High/low level trigger 12V/5V 30A 1-Channel Relay Module+Electronic With Optocoupler

$1.39$1.65

59 sold
10% off
5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz 5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz

5pcs 6N137 High speed Optocoupler isolation module Signal level conversion 3.3V 5V 12V 24V NPN optocoupler isolation 200KHz

$9.90$11.00

74 sold
12% off
Mini Battery Capacity Indicator Power Level Display 1S 2S 3S 5S Li-ion 12.6V 12V Lead acid 4S Lifepo4 with undervoltage warning Mini Battery Capacity Indicator Power Level Display 1S 2S 3S 5S Li-ion 12.6V 12V Lead acid 4S Lifepo4 with undervoltage warning

Mini Battery Capacity Indicator Power Level Display 1S 2S 3S 5S Li-ion 12.6V 12V Lead acid 4S Lifepo4 with undervoltage warning

$0.77$0.88

60 sold
Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability

Touchless Contactless Capacitive 5-24V Water Sensor Liquid Level Sensors Switch with High Precision and Stability

$4.99$4.99

71 sold
51% off
4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART 4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART

4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART

$26.00 $53.07

71 sold

Categories: Electronic Components & Supplies, Active Components

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34% off
Digital Barometric Pressure Sensor Module 0- 40KPa Water Level Controller Board for Arduino Liquid Flow Sensor Module HX710B Digital Barometric Pressure Sensor Module 0- 40KPa Water Level Controller Board for Arduino Liquid Flow Sensor Module HX710B

Digital Barometric Pressure Sensor Module 0- 40KPa Water Level Controller Board for Arduino Liquid Flow Sensor Module HX710B

$23.45 $35.95

59 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
28% off
20pcs/1pc MAX3485 SP3485 TTL to RS485 Converter Module ZY-MAX3485 ZY-SP3485 Communication Microcontroller Level Conversion Board 20pcs/1pc MAX3485 SP3485 TTL to RS485 Converter Module ZY-MAX3485 ZY-SP3485 Communication Microcontroller Level Conversion Board

20pcs/1pc MAX3485 SP3485 TTL to RS485 Converter Module ZY-MAX3485 ZY-SP3485 Communication Microcontroller Level Conversion Board

$0.68 $0.95

69 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
3D Touch Sensor Auto Bed Leveling Sensor BL Touch BLTouch 3d Printer Parts Reprap mk8 i3 Ender 3 Pro Anet A8 Tevo 3D Touch Sensor Auto Bed Leveling Sensor BL Touch BLTouch 3d Printer Parts Reprap mk8 i3 Ender 3 Pro Anet A8 Tevo

3D Touch Sensor Auto Bed Leveling Sensor BL Touch BLTouch 3d Printer Parts Reprap mk8 i3 Ender 3 Pro Anet A8 Tevo

$26.54 $80.65

66 sold

Categories: Electronic Components & Supplies, Active Components

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3% off
Smart ATO System Auto Top Off Water Filler Refiller Level Controller with Pump for Aquarium Both Reef and Fresh Tanks Smart ATO System Auto Top Off Water Filler Refiller Level Controller with Pump for Aquarium Both Reef and Fresh Tanks

Smart ATO System Auto Top Off Water Filler Refiller Level Controller with Pump for Aquarium Both Reef and Fresh Tanks

$129.88 $133.90

62 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
Industrial TTL to RS485 Converter Auto Flow Control Module UART Level Shifter 3.3V/5V Dual Power Stable Signal Conversion Industrial TTL to RS485 Converter Auto Flow Control Module UART Level Shifter 3.3V/5V Dual Power Stable Signal Conversion

Industrial TTL to RS485 Converter Auto Flow Control Module UART Level Shifter 3.3V/5V Dual Power Stable Signal Conversion

$18.64 $37.29

57 sold

Categories: Electronic Components & Supplies, Active Components

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RCWL-1670 Waterproof Transceiver Split Ultrasonic Ranging Module 2cm-400cm Distance DC3-5V For Water Level Measurement RCWL-1670 Waterproof Transceiver Split Ultrasonic Ranging Module 2cm-400cm Distance DC3-5V For Water Level Measurement

RCWL-1670 Waterproof Transceiver Split Ultrasonic Ranging Module 2cm-400cm Distance DC3-5V For Water Level Measurement

$3.85 $3.85

64 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
GTRIC M30 Capacitive Proximity Sensor 10-30VDC NPN PNP NO NC Flush Non-Flush Non-Metal Liquid Level Switch With 2M Cable GTRIC M30 Capacitive Proximity Sensor 10-30VDC NPN PNP NO NC Flush Non-Flush Non-Metal Liquid Level Switch With 2M Cable

GTRIC M30 Capacitive Proximity Sensor 10-30VDC NPN PNP NO NC Flush Non-Flush Non-Metal Liquid Level Switch With 2M Cable

$120.81 $120.81

61 sold

Categories: Electronic Components & Supplies, Active Components

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49% off
LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator

LM393 3.5-24V Voltage Comparator Module High Level Output Analog Comparator Control With LED Indicator

$21.50 $42.99

69 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
1S 2S 3S 4S Mini Battery Level Indicator Module 3.2V LiFePO4 Batteries LED Digital Display Meter Module Battery Capacity Meter 1S 2S 3S 4S Mini Battery Level Indicator Module 3.2V LiFePO4 Batteries LED Digital Display Meter Module Battery Capacity Meter

1S 2S 3S 4S Mini Battery Level Indicator Module 3.2V LiFePO4 Batteries LED Digital Display Meter Module Battery Capacity Meter

$27.52 $56.16

60 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
1-10PCS TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Voltage Level Translation Module for Raspberry Pi 1-10PCS TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Voltage Level Translation Module for Raspberry Pi

1-10PCS TXS0108E Logic Level Shifter Bi-Directional Module 3.3V 5V 8 Channel Voltage Level Translation Module for Raspberry Pi

$24.26 $73.52

66 sold

Categories: Electronic Components & Supplies, Active Components

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1/3/5/10PCS 4 Channel IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter Board for Arduino 1/3/5/10PCS 4 Channel IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter Board for Arduino

1/3/5/10PCS 4 Channel IIC I2C Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter Board for Arduino

$10.07 $10.07

69 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
WiFi Water Sensor Tuya Leak Sensor Water Overflow Level Detector 80dB Sound Alarm System Flood Leakage Sensor Remote Monitor WiFi Water Sensor Tuya Leak Sensor Water Overflow Level Detector 80dB Sound Alarm System Flood Leakage Sensor Remote Monitor

WiFi Water Sensor Tuya Leak Sensor Water Overflow Level Detector 80dB Sound Alarm System Flood Leakage Sensor Remote Monitor

$62.47 $89.99

64 sold

Categories: Electronic Components & Supplies, Active Components

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5PCS / 10PCS MAX3232 Serial Port Mini RS232 to TTL Converter Adaptor Module Board 115200bps 3V-5V MAX3232CSE Elcetrical Levels 5PCS / 10PCS MAX3232 Serial Port Mini RS232 to TTL Converter Adaptor Module Board 115200bps 3V-5V MAX3232CSE Elcetrical Levels

5PCS / 10PCS MAX3232 Serial Port Mini RS232 to TTL Converter Adaptor Module Board 115200bps 3V-5V MAX3232CSE Elcetrical Levels

$12.08 $12.08

69 sold

Categories: Electronic Components & Supplies, Active Components

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ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control

ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control

$4.33 $4.33

74 sold

Categories: Electronic Components & Supplies, Active Components

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72% off
Ultrasonic Ranging Sensor IP67 Waterproof PWM UART RS485 3-450cm for Measure the Water Level for arduino Raspberry Pi Ultrasonic Ranging Sensor IP67 Waterproof PWM UART RS485 3-450cm for Measure the Water Level for arduino Raspberry Pi

Ultrasonic Ranging Sensor IP67 Waterproof PWM UART RS485 3-450cm for Measure the Water Level for arduino Raspberry Pi

$80.75 $288.40

58 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART 4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART

4-Channel Logic Level Converter Module Bidirectional 3.3V-5V Shifter with Headers (Need Solder) for I2C SPI UART

$26.53 $53.07

71 sold

Categories: Electronic Components & Supplies, Active Components

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TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

$7.27 $7.27

65 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

$63.83 $193.43

69 sold

Categories: Electronic Components & Supplies, Active Components

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A02 A02YYUW ultrasonic waterproof ranging module waterproof probe robot obstacle avoidance ultrasonic sensor A02 A02YYUW ultrasonic waterproof ranging module waterproof probe robot obstacle avoidance ultrasonic sensor

A02 A02YYUW ultrasonic waterproof ranging module waterproof probe robot obstacle avoidance ultrasonic sensor

$18.80 $18.80

64 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
WiFi Water Level Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System WiFi Water Level Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System

WiFi Water Level Sensor Tuya Leakage Alarm Flood Leak Detector Smart Home Life APP Water Alert Overflow Alarm Security System

$61.57 $88.71

65 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
High Accuracy Digital Pressure Sensor Module 40KPa with Water Level Controller & Liquid Flow Sensor Board HX710B High Accuracy Digital Pressure Sensor Module 40KPa with Water Level Controller & Liquid Flow Sensor Board HX710B

High Accuracy Digital Pressure Sensor Module 40KPa with Water Level Controller & Liquid Flow Sensor Board HX710B

$25.49 $50.98

67 sold

Categories: Electronic Components & Supplies, Active Components

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66% off
1 / 5 / 10 PCS 2 Way / 4 Channel Modul IIC I2C Logic Level Converter Board Bi-Directional Module 5V to 3.3V For Arduino 1 / 5 / 10 PCS 2 Way / 4 Channel Modul IIC I2C Logic Level Converter Board Bi-Directional Module 5V to 3.3V For Arduino

1 / 5 / 10 PCS 2 Way / 4 Channel Modul IIC I2C Logic Level Converter Board Bi-Directional Module 5V to 3.3V For Arduino

$17.07 $51.28

68 sold

Categories: Electronic Components & Supplies, Active Components

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25% off
DC 4-25V 0.36-inch 3 6 4-digit Digital Counter Module Low-Level Switching Counter Module Addition Subtraction and Zero Clearing DC 4-25V 0.36-inch 3 6 4-digit Digital Counter Module Low-Level Switching Counter Module Addition Subtraction and Zero Clearing

DC 4-25V 0.36-inch 3 6 4-digit Digital Counter Module Low-Level Switching Counter Module Addition Subtraction and Zero Clearing

$1.28 $1.71

70 sold

Categories: Electronic Components & Supplies, Active Components

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MAX13487 Module TTL to RS485 Module 485 Converter UA Level Interconversion Hardware Automatic Control Flow Direction MAX13487 Module TTL to RS485 Module 485 Converter UA Level Interconversion Hardware Automatic Control Flow Direction

MAX13487 Module TTL to RS485 Module 485 Converter UA Level Interconversion Hardware Automatic Control Flow Direction

$13.27 $13.27

70 sold

Categories: Electronic Components & Supplies, Active Components

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New Style Outdoor Electric Unit DC 12V-24V 180 Degree Motion Sensor Detector Switch Dry Contact Output New Style Outdoor Electric Unit DC 12V-24V 180 Degree Motion Sensor Detector Switch Dry Contact Output

New Style Outdoor Electric Unit DC 12V-24V 180 Degree Motion Sensor Detector Switch Dry Contact Output

$8.59 $8.59

60 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger 1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger

1 Channel Relay Module 5V Relay Switch Board KY-019 High Level Trigger

$20.40 $41.63

68 sold

Categories: Electronic Components & Supplies, Active Components

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XKC-Y28 Liquid Level Sensor with Built-in 2A Relay,Non-contact Water Detector Sensors for Water Tank Pipelines Flat Container XKC-Y28 Liquid Level Sensor with Built-in 2A Relay,Non-contact Water Detector Sensors for Water Tank Pipelines Flat Container

XKC-Y28 Liquid Level Sensor with Built-in 2A Relay,Non-contact Water Detector Sensors for Water Tank Pipelines Flat Container

$54.68 $54.68

60 sold

Categories: Electronic Components & Supplies, Active Components

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68% off
5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi 5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi

5Pcs TXS0108E 8 Channel Logic Level Converter Bi-Directional High Speed Full Duplex Shifter 3.3V 5V for Arduino Raspberry Pi

$30.15 $94.21

58 sold

Categories: Electronic Components & Supplies, Active Components

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