Data display designs a large selection of both indoor and outdoor moving message display, using LED (Light Emitted Diode). Data lines are easy to set up, program, handle, and are becoming increasingly popular in airports, high street outlets, and auctions to transmit information to large groups of people both quickly and efficiently. This is a […]

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As you know most of PIC16F873A pins are digital I/O, that means these pins can be used either as input or output. In the first tutorial we had an idea about making PORTB pins as a digital outputs, but in this tutorial we will select a certain pin to be a digital input and the other pins of PORTB will be a digital outputs. The digital system has just two values […]

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The “Toy Piano” is a small piano like musical instrument. It can be designed and implemented using keypad and PIC MCU. Each key in in the keypad can be utilized to produce one of the piano’s tones and the output will be from a buzzer or amp. device, like the one I used in the video.

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