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A thrubeam type sensor is used to measure the change in light quantity caused by the target crossing the optical axis
Analog pH Sensor / Meter Kit specially designed for Arduino controllers and has convenient and practical "Gravity" connector and a bunch of features
but can also be used with other microcontrollers
Built-in operating buzzer
Mini Vibration Motor load A thrubeam type sensor isIntroduction : Mini Vibration Motor is a simple low cost motor . Used to add vibration to project or application. Features : Operating Voltage: 2. 2 ~ 3. 6V DC. Speed: 12,000 2,500 rpm. Stall Current: 120mA max.
