Tag - Embedded

PIC16F877A

Expanding Output Pins of a PIC Microcontroller through Multiplexing

Imagine that you want to control 100 LED's with a PIC Microcontroller. No PIC Microcontroller with a DIP package having that many IO lines. This article explains two ways to expand output pins of a Microcontroller through multiplexing. Here we are using Time Division Multiplexing to expand output pins. The first method is by using D-Latch and second method is by using Serial in Parallel Out Shift register. In this tutorial we demonstrate the working by using 64 LEDs. Using D Flip-Flop and Decoder 74574 Octal...

August 27, 2012By MikroC, PIC Microcontroller, Tutorials, , , 0 CommentsRead more...
Digital Clock using PIC Microcontroller and DS1307 RTC

Digital Clock using PIC Microcontroller and DS1307 RTC

A Digital Clock can be made easily by using PIC Microcontroller, DS1307 and a 16x2 LCD. I have already posted about Interfacing DS1307 RTC with PIC Microcontroller. The DS1307 RTC can work either in 24-hour mode or 12-hour mode with AM/PM indicator. It automatically adjusts for months fewer than 31 days including leap year compensation up to year 2100.  DS1307 comes with built-in power sensing circuit which senses power failures and automatically switches to back up supply. We can provide a 3V CMOS...

May 31, 2012By Embedded, PIC Microcontroller, Projects, , , , , , 324 CommentsRead more...
Voltmeter

Voltmeter and Ammeter using PIC Microcontroller

Voltmeter and Ammeter can be easily made using PIC Microcontroller having ADC (Analog to Digital Converter). I am using PIC16F877A and the result is displayed on an LCD Display. PIC16F877A is enough if you do this project only for testing purposes. I suggest to use PIC with low pin numbers and multiplexed 7 segment display if you wish to use this as your measuring instrument. Prerequisite If you don't know the basis of PIC ADC and LCD Interfacing please read the following...

May 20, 2012By Embedded, PIC Microcontroller, Projects, , , , 292 CommentsRead more...
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