购买 hc-sr04 ultrasonic sensor

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$3.99
Rakstore 2Pcs HC-SR04P HC-SR04-P Ultrasonic Ranging Module Ranging Sensor Distance Sensor 3-5.5V Wide Voltage
Amazon.com
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Rakstore 2Pcs HC-SR04P HC-SR04-P Ultrasonic Ranging Module Ranging Sensor Distance Sensor 3-5.5V Wide Voltage
Amazon.com
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($5.39/Pc) SEN-15569 Sparkfun Electronics Ultrasonic Distance Sensor - HC-SR04
Onlinecomponents.com
$26.95
($5.39/Pc) SEN-15569 Sparkfun Electronics Ultrasonic Distance Sensor - HC-SR04
Onlinecomponents.com
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Hc Sr04 Measuring Sensor Module, Set Of 2, Ultrasonic Module Distance Sensor, Ultrasonic Distance Sensor Module, Distanc
Everymarket INC
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Hc Sr04 Measuring Sensor Module, Set Of 2, Ultrasonic Module Distance Sensor, Ultrasonic Distance Sensor Module, Distanc
Everymarket INC
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Ltrasonic HC-SR04 Module Distance Sensor Compatife For Arduino R3 MEGA Mega2560 Duemilanove Nano Robot Smrat Car Programming
Amazon.com
$3.99
Ltrasonic HC-SR04 Module Distance Sensor Compatife For Arduino R3 MEGA Mega2560 Duemilanove Nano Robot Smrat Car Programming
Amazon.com