*Arduino Modules
![](https://cdn.store-assets.com/s/158175/f/9515246.jpg)
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![3pin IR Infrared Obstacle Avoidance Sensor Module Obstacle Avoidance Sensor Module 副本.jpg](https://cdn.store-assets.com/s/158175/i/41214774.jpg?width=480)
3pin IR Infrared Obstacle Avoidance Sensor Module Obstacle Avoidance Sensor Module 003-3
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![NANO UNO 5V Sensor Servo Expansion Prototype Shield V3.0 for Arduino副本.jpg](https://cdn.store-assets.com/s/158175/i/41144709.jpg?width=480)
NANO UNO 5V I/O Sensor Servo Expansion Prototype Shield V3.0 for Arduino 006-5
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![DC-DC step-down module MINI copy.jpg](https://cdn.store-assets.com/s/158175/i/24145095.jpg?width=480)
Ultra-small DC-DC Converter Step Down Module 4.5V-28V Input 3A Output 0.8-20V
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