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购买 Arduino Counter Sensor
广告
$0.95
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$0.95
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$10.49
DIGITEN G1/2" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-30L/Min - Arduino, Raspberry Pi, And Reverse
Amazon.com
11
$10.49
DIGITEN G1/2" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-30L/Min - Arduino, Raspberry Pi, And Reverse
Amazon.com
11
$33.90
[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-Axis Acceleration+Gyroscope+Tilt Angle +Magnetometer With Kalman Filtering, 9-Axis
Amazon.com
22
$33.90
[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-Axis Acceleration+Gyroscope+Tilt Angle +Magnetometer With Kalman Filtering, 9-Axis
Amazon.com
22
$0.24
$0.32
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
Free shipping
折扣 25%
$0.24
$0.32
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
Free shipping
$0.29
$0.30
Beam Photoelectric Sensor Electric Counter Module LM393 Motor Count Speed Sensor Module Test Module
AliExpress
$0.29
$0.30
Beam Photoelectric Sensor Electric Counter Module LM393 Motor Count Speed Sensor Module Test Module
AliExpress
$13.49
DIGITEN G3/4" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-60L/Min - Arduino, Raspberry Pi, And Reverse
Amazon.com
$13.49
DIGITEN G3/4" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-60L/Min - Arduino, Raspberry Pi, And Reverse
Amazon.com
$0.38
$0.52
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
折扣 26%
$0.38
$0.52
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$1.04
1/5/10PCS Speed Sensor Tacho Sensor Slot-Type Optocoupler Tacho-Generator Counter Module For Arduino
AliExpress
$1.04
1/5/10PCS Speed Sensor Tacho Sensor Slot-Type Optocoupler Tacho-Generator Counter Module For Arduino
AliExpress
$1.51
Beam Photoelectric Sensor Electric Counter Module LM393 Motor Count Speed Sensor Module Test Module
AliExpress
$1.51
Beam Photoelectric Sensor Electric Counter Module LM393 Motor Count Speed Sensor Module Test Module
AliExpress
$1.82
KY-024 Linear Magnetic Hall Switches Speed Counting Sensor Module For Arduino DIY Kit
AliExpress
$1.82
KY-024 Linear Magnetic Hall Switches Speed Counting Sensor Module For Arduino DIY Kit
AliExpress
$33.99
DIGITEN 0-999999 Digital LED Counter +Photoelectric Switch Sensor +Reflector Automatic Conveyor Belting 100-240VAC 6 Digits Mini Customer Traffic
Amazon.com
180
$33.99
DIGITEN 0-999999 Digital LED Counter +Photoelectric Switch Sensor +Reflector Automatic Conveyor Belting 100-240VAC 6 Digits Mini Customer Traffic
Amazon.com
180
$12.60
45 in 1 Sensors Modules Starter Kit For Arduino, Better Than 37 in 1 Sensor Kit 48 in 1 Sensor Kit (37In1)
Amazon.com
$12.60
45 in 1 Sensors Modules Starter Kit For Arduino, Better Than 37 in 1 Sensor Kit 48 in 1 Sensor Kit (37In1)
Amazon.com
$49.99
KEYESTUDIO 37 Sensors In 1 Box Starter Kit For BBC Micro Bit With Tutorial (Without Microbit Board), Compatible With V1.5, V2 Microbit Sensor Kit
Amazon.com
190
Free shipping
$49.99
KEYESTUDIO 37 Sensors In 1 Box Starter Kit For BBC Micro Bit With Tutorial (Without Microbit Board), Compatible With V1.5, V2 Microbit Sensor Kit
Amazon.com
190
$1.10
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$1.10
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$1.73
1Set HC-020K Double Speed Measuring Sensor Module With Photoelectric Encoders Kit Top For Arduino
AliExpress
$1.73
1Set HC-020K Double Speed Measuring Sensor Module With Photoelectric Encoders Kit Top For Arduino
AliExpress
$0.57
$0.62
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$0.57
$0.62
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$1.19
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$1.19
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$6.99
Ferwooh 3PCS HC-SR04 Ultrasonic Sensor Module Distance Measuring Sensor Module Ultrasonic Ranging Module + 3 Sets Mounting Bracket With Cable
Amazon.com
$6.99
Ferwooh 3PCS HC-SR04 Ultrasonic Sensor Module Distance Measuring Sensor Module Ultrasonic Ranging Module + 3 Sets Mounting Bracket With Cable
Amazon.com
$8.19
Hiletgo 2Pcs INA219 I2C Bi-Directional DC Current Power Supply Sensor Breakout Module
Amazon.com
47
$8.19
Hiletgo 2Pcs INA219 I2C Bi-Directional DC Current Power Supply Sensor Breakout Module
Amazon.com
47
$1.17
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$1.17
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$1.01
KY-024 Linear Magnetic Hall Sensor Board Switch Speed Counting Hall Sensors Module For Arduino Diy
AliExpress
$1.01
KY-024 Linear Magnetic Hall Sensor Board Switch Speed Counting Hall Sensors Module For Arduino Diy
AliExpress
$0.61
$0.66
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$0.61
$0.66
Photoelectric Beam Speed Sensor Module 3.3V-5V Slot-Type Optocoupler Tacho-Generator Counter For
AliExpress
$3.77
I2C/SPI BME280-3.3 BME280 BMP280 5V 3.3V Digital Module Temperature Barometric Pressure Sensor
AliExpress
$3.77
I2C/SPI BME280-3.3 BME280 BMP280 5V 3.3V Digital Module Temperature Barometric Pressure Sensor
AliExpress
$1.60
$3.17
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor For Arduino 3-5.5V Ultrasonic Wave
AliExpress
折扣 49%
$1.60
$3.17
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor For Arduino 3-5.5V Ultrasonic Wave
AliExpress
$0.82
$1.14
Ultrasonic Module HC-SR04 3.5-5V Distance Measuring Transducer Sensor For Arduino Ultrasonic Wave
AliExpress
折扣 28%
$0.82
$1.14
Ultrasonic Module HC-SR04 3.5-5V Distance Measuring Transducer Sensor For Arduino Ultrasonic Wave
AliExpress
$3.20
5PCS RCWL-0516 Motion Detection Sensor, Microwave Radar Sensor Switch Module For Arduino ESP8266
AliExpress
$3.20
5PCS RCWL-0516 Motion Detection Sensor, Microwave Radar Sensor Switch Module For Arduino ESP8266
AliExpress
$1.02
Ultrasonic Module HC-SR04 3.5-5V Distance Measuring Transducer Sensor For Arduino Ultrasonic Wave
AliExpress
$1.02
Ultrasonic Module HC-SR04 3.5-5V Distance Measuring Transducer Sensor For Arduino Ultrasonic Wave
AliExpress
$0.34
$0.37
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$0.34
$0.37
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$1.69
1Set HC-020K Double Speed Measuring Sensor Module With Photoelectric Encoders Kit Top For Arduino
AliExpress
$1.69
1Set HC-020K Double Speed Measuring Sensor Module With Photoelectric Encoders Kit Top For Arduino
AliExpress
$1.39
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$1.39
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart
AliExpress
$0.74
$0.82
HC-020K Double Speed Measuring Sensor With Photoelectric Encoders Kit Top For Arduino Tacho
AliExpress
$0.74
$0.82
HC-020K Double Speed Measuring Sensor With Photoelectric Encoders Kit Top For Arduino Tacho
AliExpress
$11.98
Podazz 10Pcs HC-SR04 Ultrasonic Sensor Distance Module
Amazon.com
$11.98
Podazz 10Pcs HC-SR04 Ultrasonic Sensor Distance Module
Amazon.com
$0.53
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor For Arduino Detector Ranging Smart
AliExpress
$0.53
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor For Arduino Detector Ranging Smart
AliExpress
$3.37
$3.66
BME280 3.3V 5V Barometric Pressure Sensors Module I2C SPI 1.8-5V BME280 Detection Module For Arduino
AliExpress
$3.37
$3.66
BME280 3.3V 5V Barometric Pressure Sensors Module I2C SPI 1.8-5V BME280 Detection Module For Arduino
AliExpress
$1.40
Heart Rate Click MAX30100 Module Sensor For Arduino/ 1.8V 3.3V 5V Low Power MAX30102 Heart Rate
AliExpress
$1.40
Heart Rate Click MAX30100 Module Sensor For Arduino/ 1.8V 3.3V 5V Low Power MAX30102 Heart Rate
AliExpress
$0.52
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor For Arduino Ultrasonic Wave Detector
AliExpress
$0.52
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor For Arduino Ultrasonic Wave Detector
AliExpress
instructables.com
Easy RPM Counter | Arduino & IR Sensor
Easy RPM Counter | Arduino & IR Sensor: This project uses an infrared (IR) sensor pair to measure the speed of a rotating object and visually represents this speed through the number of illuminated LEDs on a NeoPixel ring. As the object rotates faster, more LEDs light up.
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广告
$0.95
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$0.95
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
$10.49
DIGITEN G1/2" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-30L/Min - Arduino, Raspberry Pi, And Reverse
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DIGITEN G1/2" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-30L/Min - Arduino, Raspberry Pi, And Reverse
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[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-Axis Acceleration+Gyroscope+Tilt Angle +Magnetometer With Kalman Filtering, 9-Axis
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[Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-Axis Acceleration+Gyroscope+Tilt Angle +Magnetometer With Kalman Filtering, 9-Axis
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Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
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Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
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Beam Photoelectric Sensor Electric Counter Module LM393 Motor Count Speed Sensor Module Test Module
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Beam Photoelectric Sensor Electric Counter Module LM393 Motor Count Speed Sensor Module Test Module
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DIGITEN G3/4" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-60L/Min - Arduino, Raspberry Pi, And Reverse
Amazon.com
$13.49
DIGITEN G3/4" Water Flow Sensor With 1.2M(3.9Ft) Cable, Hall Effect Sensor Flow Meter Flowmeter Counter 1-60L/Min - Arduino, Raspberry Pi, And Reverse
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Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
AliExpress
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Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit
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1/5/10PCS Speed Sensor Tacho Sensor Slot-Type Optocoupler Tacho-Generator Counter Module For Arduino
AliExpress
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1/5/10PCS Speed Sensor Tacho Sensor Slot-Type Optocoupler Tacho-Generator Counter Module For Arduino
AliExpress
$1.51
Beam Photoelectric Sensor Electric Counter Module LM393 Motor Count Speed Sensor Module Test Module
AliExpress
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Beam Photoelectric Sensor Electric Counter Module LM393 Motor Count Speed Sensor Module Test Module
AliExpress
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KY-024 Linear Magnetic Hall Switches Speed Counting Sensor Module For Arduino DIY Kit
AliExpress
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KY-024 Linear Magnetic Hall Switches Speed Counting Sensor Module For Arduino DIY Kit
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DIGITEN 0-999999 Digital LED Counter +Photoelectric Switch Sensor +Reflector Automatic Conveyor Belting 100-240VAC 6 Digits Mini Customer Traffic
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Arduino Sensor Module - Available at Jameco Electronics
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广告Wide Selection of Arduino Sensors. Order Online or over the Phone Today!