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Working with Character LCDs

Character display LCD ares used in so many products we used daily. We can find them in  Espresso machines, 3D printers, microwaves  and printers and many other products. In this lesson we going to lean how to interface LCD’s to our...

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Normal Close Switches

Normal-Close basically means in the normal state of the switch i.e non-pressed state, the switch is a closed circuit.The circuit  breaks when the switch is pressed. Assuming we connect a normally closed switch to an LED the way we usually...

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Normal Open Switches

Normal Open Switches  Normal – Open switches is the name given to the switches we are very much used to. The switches that turn on when we press and goes off when we release. These switches are called Normal-Open because in their normal...

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Working with SPI

The Serial Peripheral Interface (SPI) is a bus interface found in many devices such as DAC,ADC, EEPROM etc. 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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Basic Derivatives

In this lesson we are going to give a short revision of calculus. This will help to be able to picture backpropagation and gradient descent more easily in future lesson. You do not need to understand calculus to work with deep learning major of...

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