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length of 3
The onboard microSD card reader is accessible through the SD Library
this shift register is a device that allows additional inputs or outputs to be added to a microcontroller by converting data between parallel and serial formats
IN+ input positive
which can avoid leaking problems
Photo Interrupter Sensor (OS25B10) emitter module length of 3Introduction : Photo Interrupter Sensor (OS25B10) is also known as (Optical Sensor, Photo Sensor). It is a type of tachometer that is used to measure the speed of a rotating object like a motor. Photo Interrupter Sensor (OS25B10) combines high output infrared light emitting diode and high sensitive phototransistor (receiver). Features: Interruption gap: 10mm Easy to mount on PCB. High speed response. Have a lot of applications. Applications: Filling