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RM60.00keyestudio USB Host v1.5 shield is an add-on board for Arduino USB Host. Directly plug it onto an Arduino board and it will allow the Arduino to have a USB Host function. The Arduino with host function can communicate with a USB device, such as USB flash disk, keyboards, mouse/mice, joysticks, digital camera, etc
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HC-06 Bluetooth module for Arduino
RM20.00This is the popular Bluetooth module, HC06, which is slave mode only. It’s very easy to add wireless serial connectivity for your device with this module. Examples for Arduino and other boards are available. Once you pair with other Bluetooth device you work like with normal UART to exchange data.
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HC-SR04 Ultrasonic Distance Range Finder Sensor for Arduino
RM5.00DescriptionIf you’ve been searching for distance measurement and object detection sensors at a rock-bottom price, look no further! This legendary HC-SR04 ultrasonic sensor is your perfect choice. It offers excellent range accuracy and fairly stable readings at a very low cost. It requires two digital I/O pins (an output pin and an input pin) to interface with it.
An ultrasonic sensor is created based on the principle of echolocation used by animals like bats and dolphins. Since the ultrasonic sensor uses sonar to determine the distance to an object, its operation is not affected by sunlight, spotlight, and object’s surface color which will affect the readings of any infrared distance sensors. However acoustically soft materials such as clothes can be difficult to detect.
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