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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
which can avoid leaking problems
IN+ input positive
The onboard microSD card reader is accessible through the SD Library
They are particularly useful for measuring whole building electricity consumption
Photo Interrupter Sensor (OS25B10) emitter module this shift register is aIntroduction : 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
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