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DC 8-24V Multi-functional Digital LED Tachometer Counting Meter 9999RPM Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch DC 8-24V Multi-functional Digital LED Tachometer Counting Meter 9999RPM Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch

DC 8-24V Multi-functional Digital LED Tachometer Counting Meter 9999RPM Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch

$13.31$13.31

6 sold
19% off
MAX7219 Dot Matrix Module Microcontroller Display Module MCU LED Display Control Module For Arduino 5V DIY Kits 4 in 1 Red/Green MAX7219 Dot Matrix Module Microcontroller Display Module MCU LED Display Control Module For Arduino 5V DIY Kits 4 in 1 Red/Green

MAX7219 Dot Matrix Module Microcontroller Display Module MCU LED Display Control Module For Arduino 5V DIY Kits 4 in 1 Red/Green

$0.92$1.13

2 sold
50% off
1Pcs 1 2 4 6 8 Way Relay Module With Optocoupler Relay Output 5V 12V 24V For Arduino PLC Automation Equipment Control Red 1Pcs 1 2 4 6 8 Way Relay Module With Optocoupler Relay Output 5V 12V 24V For Arduino PLC Automation Equipment Control Red

1Pcs 1 2 4 6 8 Way Relay Module With Optocoupler Relay Output 5V 12V 24V For Arduino PLC Automation Equipment Control Red

$8.35$16.70

4 Digital LED Digital Tachometer Gauge NPN DC 5V/ DC 8-24V 10-9999RPM RPM Speed Meter with Hall Proximity Switch Sensor 4 Digital LED Digital Tachometer Gauge NPN DC 5V/ DC 8-24V 10-9999RPM RPM Speed Meter with Hall Proximity Switch Sensor

4 Digital LED Digital Tachometer Gauge NPN DC 5V/ DC 8-24V 10-9999RPM RPM Speed Meter with Hall Proximity Switch Sensor

$10.93$10.93

20 sold
60% off
3.3V 5V 8 Bit Blue / Red Common Anode / Cathode LED Indicator Module Diy Kit For Arduino NANO UNO Raspberry pi 4 Nodemcu V3 3.3V 5V 8 Bit Blue / Red Common Anode / Cathode LED Indicator Module Diy Kit For Arduino NANO UNO Raspberry pi 4 Nodemcu V3

3.3V 5V 8 Bit Blue / Red Common Anode / Cathode LED Indicator Module Diy Kit For Arduino NANO UNO Raspberry pi 4 Nodemcu V3

$4.40$11.00

2/4/8 Channel IIC I2C Logic Level Converter Bi-Directional Board Module 2 4 8 Way DC 3.3V/5V With Pins For Arduino Raspberry Pi 2/4/8 Channel IIC I2C Logic Level Converter Bi-Directional Board Module 2 4 8 Way DC 3.3V/5V With Pins For Arduino Raspberry Pi

2/4/8 Channel IIC I2C Logic Level Converter Bi-Directional Board Module 2 4 8 Way DC 3.3V/5V With Pins For Arduino Raspberry Pi

$2.86$2.86

39 sold
45% off
0-10/20/30bar 1/8 0-10/20/30bar 1/8

0-10/20/30bar 1/8" Input 8-32V Output 0-5V/4-20mA Pressure Transmitter Transducer Oil Water My12 20 Dropship

$9.16$16.65

4 sold
45% off
YYT 5V Relay module KY-019 1 2 4 6 8 road optocoupler relay module with optocoupler isolation YYT 5V Relay module KY-019 1 2 4 6 8 road optocoupler relay module with optocoupler isolation

YYT 5V Relay module KY-019 1 2 4 6 8 road optocoupler relay module with optocoupler isolation

$0.36$0.65

16% off
4 Digital LED Display Tachometer Gauge NPN DC 5V/ DC 8-24V/ AC 110V 220V 30-9999RPM RPM Speed Meter With Hall Sensor Switch 4 Digital LED Display Tachometer Gauge NPN DC 5V/ DC 8-24V/ AC 110V 220V 30-9999RPM RPM Speed Meter With Hall Sensor Switch

4 Digital LED Display Tachometer Gauge NPN DC 5V/ DC 8-24V/ AC 110V 220V 30-9999RPM RPM Speed Meter With Hall Sensor Switch

$5.29$6.30

14 sold
9999RPM Multi-functional Tachometer Digital LED Counting Meter DC 8-24V Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch 9999RPM Multi-functional Tachometer Digital LED Counting Meter DC 8-24V Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch

9999RPM Multi-functional Tachometer Digital LED Counting Meter DC 8-24V Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch

$14.34$14.34

7 sold
8 Direction Polycarbonate Wind Direction Sensor 4-20MA 0-2V 0-5V 0-10V RS485 Output Wind Direction 8 Direction Polycarbonate Wind Direction Sensor 4-20MA 0-2V 0-5V 0-10V RS485 Output Wind Direction

8 Direction Polycarbonate Wind Direction Sensor 4-20MA 0-2V 0-5V 0-10V RS485 Output Wind Direction

$13.99$13.99

61% off
12864B V2.0 LCD Screen Display Module 3.3V 5V 4 Lines 8 Characters 32 Chinese Character Libraries Controller AIP31020 12864B V2.0 LCD Screen Display Module 3.3V 5V 4 Lines 8 Characters 32 Chinese Character Libraries Controller AIP31020

12864B V2.0 LCD Screen Display Module 3.3V 5V 4 Lines 8 Characters 32 Chinese Character Libraries Controller AIP31020

$11.12$28.51

3 sold
20% off
0-10/20/30bar 1/8 0-10/20/30bar 1/8

0-10/20/30bar 1/8" Input 8-32V DC Output 0-5V/4-20mA Pressure Transmitter Transducer Sensor Oil Water Dropship

$17.02$21.27

3 sold
50% off
3.3V 5V 8 Bit Blue/Red Common anode/cathode LED Indicator Module Diy Kit for Arduino NANO UNO Raspberry Pi 4 Nodemcu 3.3V 5V 8 Bit Blue/Red Common anode/cathode LED Indicator Module Diy Kit for Arduino NANO UNO Raspberry Pi 4 Nodemcu

3.3V 5V 8 Bit Blue/Red Common anode/cathode LED Indicator Module Diy Kit for Arduino NANO UNO Raspberry Pi 4 Nodemcu

$4.35$8.70

40% off
0.56 Inch 4 Digital LED Display Tachometer Gauge NPN 5V DC 8-24V 10-9999RPM RPM Speed Meter With Hall Proximity Switch Sensor 0.56 Inch 4 Digital LED Display Tachometer Gauge NPN 5V DC 8-24V 10-9999RPM RPM Speed Meter With Hall Proximity Switch Sensor

0.56 Inch 4 Digital LED Display Tachometer Gauge NPN 5V DC 8-24V 10-9999RPM RPM Speed Meter With Hall Proximity Switch Sensor

$5.02$8.37

6 sold
Bluetooth Power Amplifier Board 2×6W DC 5V/3.7V Lithium Battery with Charge Management HF69B 4Ω 6Ω 8Ω Bluetooth Power Amplifier Board 2×6W DC 5V/3.7V Lithium Battery with Charge Management HF69B 4Ω 6Ω 8Ω

Bluetooth Power Amplifier Board 2×6W DC 5V/3.7V Lithium Battery with Charge Management HF69B 4Ω 6Ω 8Ω

$7.82$7.82

7 sold
DC 8-24V Multi-functional Digital LED Tachometer Counting Meter 9999RPM Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch DC 8-24V Multi-functional Digital LED Tachometer Counting Meter 9999RPM Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch

DC 8-24V Multi-functional Digital LED Tachometer Counting Meter 9999RPM Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch

$13.31 $13.31

6 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
19% off
MAX7219 Dot Matrix Module Microcontroller Display Module MCU LED Display Control Module For Arduino 5V DIY Kits 4 in 1 Red/Green MAX7219 Dot Matrix Module Microcontroller Display Module MCU LED Display Control Module For Arduino 5V DIY Kits 4 in 1 Red/Green

MAX7219 Dot Matrix Module Microcontroller Display Module MCU LED Display Control Module For Arduino 5V DIY Kits 4 in 1 Red/Green

$0.92 $1.13

2 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
50% off
1Pcs 1 2 4 6 8 Way Relay Module With Optocoupler Relay Output 5V 12V 24V For Arduino PLC Automation Equipment Control Red 1Pcs 1 2 4 6 8 Way Relay Module With Optocoupler Relay Output 5V 12V 24V For Arduino PLC Automation Equipment Control Red

1Pcs 1 2 4 6 8 Way Relay Module With Optocoupler Relay Output 5V 12V 24V For Arduino PLC Automation Equipment Control Red

$8.35 $16.70

Categories: Tools, Measurement & Analysis Instruments

Buy Now
4 Digital LED Digital Tachometer Gauge NPN DC 5V/ DC 8-24V 10-9999RPM RPM Speed Meter with Hall Proximity Switch Sensor 4 Digital LED Digital Tachometer Gauge NPN DC 5V/ DC 8-24V 10-9999RPM RPM Speed Meter with Hall Proximity Switch Sensor

4 Digital LED Digital Tachometer Gauge NPN DC 5V/ DC 8-24V 10-9999RPM RPM Speed Meter with Hall Proximity Switch Sensor

$10.93 $10.93

20 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
60% off
3.3V 5V 8 Bit Blue / Red Common Anode / Cathode LED Indicator Module Diy Kit For Arduino NANO UNO Raspberry pi 4 Nodemcu V3 3.3V 5V 8 Bit Blue / Red Common Anode / Cathode LED Indicator Module Diy Kit For Arduino NANO UNO Raspberry pi 4 Nodemcu V3

3.3V 5V 8 Bit Blue / Red Common Anode / Cathode LED Indicator Module Diy Kit For Arduino NANO UNO Raspberry pi 4 Nodemcu V3

$4.40 $11.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
2/4/8 Channel IIC I2C Logic Level Converter Bi-Directional Board Module 2 4 8 Way DC 3.3V/5V With Pins For Arduino Raspberry Pi 2/4/8 Channel IIC I2C Logic Level Converter Bi-Directional Board Module 2 4 8 Way DC 3.3V/5V With Pins For Arduino Raspberry Pi

2/4/8 Channel IIC I2C Logic Level Converter Bi-Directional Board Module 2 4 8 Way DC 3.3V/5V With Pins For Arduino Raspberry Pi

$2.86 $2.86

39 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
45% off
0-10/20/30bar 1/8 0-10/20/30bar 1/8

0-10/20/30bar 1/8" Input 8-32V Output 0-5V/4-20mA Pressure Transmitter Transducer Oil Water My12 20 Dropship

$9.16 $16.65

4 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
45% off
YYT 5V Relay module KY-019 1 2 4 6 8 road optocoupler relay module with optocoupler isolation YYT 5V Relay module KY-019 1 2 4 6 8 road optocoupler relay module with optocoupler isolation

YYT 5V Relay module KY-019 1 2 4 6 8 road optocoupler relay module with optocoupler isolation

$0.36 $0.65

Categories: Tools, Measurement & Analysis Instruments

Buy Now
16% off
4 Digital LED Display Tachometer Gauge NPN DC 5V/ DC 8-24V/ AC 110V 220V 30-9999RPM RPM Speed Meter With Hall Sensor Switch 4 Digital LED Display Tachometer Gauge NPN DC 5V/ DC 8-24V/ AC 110V 220V 30-9999RPM RPM Speed Meter With Hall Sensor Switch

4 Digital LED Display Tachometer Gauge NPN DC 5V/ DC 8-24V/ AC 110V 220V 30-9999RPM RPM Speed Meter With Hall Sensor Switch

$5.29 $6.30

14 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
9999RPM Multi-functional Tachometer Digital LED Counting Meter DC 8-24V Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch 9999RPM Multi-functional Tachometer Digital LED Counting Meter DC 8-24V Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch

9999RPM Multi-functional Tachometer Digital LED Counting Meter DC 8-24V Gauge Speed Meterwith NPN 5V Hall Magnet Sensor Switch

$14.34 $14.34

7 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
8 Direction Polycarbonate Wind Direction Sensor 4-20MA 0-2V 0-5V 0-10V RS485 Output Wind Direction 8 Direction Polycarbonate Wind Direction Sensor 4-20MA 0-2V 0-5V 0-10V RS485 Output Wind Direction

8 Direction Polycarbonate Wind Direction Sensor 4-20MA 0-2V 0-5V 0-10V RS485 Output Wind Direction

$13.99 $13.99

Categories: Tools, Measurement & Analysis Instruments

Buy Now
61% off
12864B V2.0 LCD Screen Display Module 3.3V 5V 4 Lines 8 Characters 32 Chinese Character Libraries Controller AIP31020 12864B V2.0 LCD Screen Display Module 3.3V 5V 4 Lines 8 Characters 32 Chinese Character Libraries Controller AIP31020

12864B V2.0 LCD Screen Display Module 3.3V 5V 4 Lines 8 Characters 32 Chinese Character Libraries Controller AIP31020

$11.12 $28.51

3 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
20% off
0-10/20/30bar 1/8 0-10/20/30bar 1/8

0-10/20/30bar 1/8" Input 8-32V DC Output 0-5V/4-20mA Pressure Transmitter Transducer Sensor Oil Water Dropship

$17.02 $21.27

3 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
50% off
3.3V 5V 8 Bit Blue/Red Common anode/cathode LED Indicator Module Diy Kit for Arduino NANO UNO Raspberry Pi 4 Nodemcu 3.3V 5V 8 Bit Blue/Red Common anode/cathode LED Indicator Module Diy Kit for Arduino NANO UNO Raspberry Pi 4 Nodemcu

3.3V 5V 8 Bit Blue/Red Common anode/cathode LED Indicator Module Diy Kit for Arduino NANO UNO Raspberry Pi 4 Nodemcu

$4.35 $8.70

Categories: Tools, Measurement & Analysis Instruments

Buy Now
40% off
0.56 Inch 4 Digital LED Display Tachometer Gauge NPN 5V DC 8-24V 10-9999RPM RPM Speed Meter With Hall Proximity Switch Sensor 0.56 Inch 4 Digital LED Display Tachometer Gauge NPN 5V DC 8-24V 10-9999RPM RPM Speed Meter With Hall Proximity Switch Sensor

0.56 Inch 4 Digital LED Display Tachometer Gauge NPN 5V DC 8-24V 10-9999RPM RPM Speed Meter With Hall Proximity Switch Sensor

$5.02 $8.37

6 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Bluetooth Power Amplifier Board 2×6W DC 5V/3.7V Lithium Battery with Charge Management HF69B 4Ω 6Ω 8Ω Bluetooth Power Amplifier Board 2×6W DC 5V/3.7V Lithium Battery with Charge Management HF69B 4Ω 6Ω 8Ω

Bluetooth Power Amplifier Board 2×6W DC 5V/3.7V Lithium Battery with Charge Management HF69B 4Ω 6Ω 8Ω

$7.82 $7.82

7 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now