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Monthly Archives - Dec 2013

Reading and Writing to PIC Internal EEPROM – MikroC

There are three types of memories in a PIC Microcontroller, The Flash Program Memory, The Data Memory (RAM) and The EEPROM Data Memory. The code that is written by the user to perform a specific task by the microcontroller is stored in the Flash. Flash memory makes it possible to program a microcontroller many times because it is re-writable, this memory can be written into and erased many times. RAM Data Memory is used for storing data temporarily during [...]

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Generating Sound with PIC Microcontroller – MikroC

The ability to generate sound is very important in embedded applications. A small buzzer could be used to generate specific sounds or beeps for audible alarms or status. In an electronic piano or electronic toys for example, different tones and melodies could be generated electronically. There are countless of electronic applications that can require sound or just a small beep. Most microncontrollers have a CCP module which stands for Capture/Compare/PWM, this peripheral is used to time and control different events [...]

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Pulse Width Modulation (PWM) with PIC Microcontroller – MikroC

Pulse width modulation (PWM) is a technique of controlling the amount of power delivered to an electronic load by switching ON and OFF a digital signal. This is the simplest technique that can be used to produce analog voltages from a digital one. The fraction of the period for which the signal is ON to the total period is known as the duty cycle. The average DC value of the signal can be varied by varying the duty cycle. The [...]

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