To transfer data, computers adopt two method: serial and parallel. In serial communication data is sent a bit at a time (1 line)while in parallel communication 8 or more lines are often used to transfer data. The UART is a form of serial...
READ MORENormal 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...
READ MORENormal-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...
READ MORECharacter 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...
READ MOREKey Arrangement There is a lot of material to cover so I will jump straight to the point. Here are some key points on working with keyboards: Keys on a keyboard are organized in a matrix of rows and columns The microcontroller accesses both...
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