The TCRT500 module is a reflective sensor module. It is made up of a phototransistor coupled with an infrared LED. It’s working principle is that, the infrared LED will illuminate and bounce its light off a surface at an angle which...
READ MOREPWM operates by creating a digital output wave of a fixed frequency while allowing varying duty cycle. This gives the microcontroller the capability to vary the amount of power delivered to a load such as a motor. The figure below shows three...
READ MOREThe Serial Peripheral Interface (SPI) is a bus interface found in many devices such as DAC,ADC, EEPROM etc. H SPI devices typically use two pin for data transfer. – SDI and SDO. The SPI bus has the SCLK (Serial Clock) pin to synchronize the data...
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