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Pıc 8 led pwm chaser wıth pıc16f628a

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8 LED PIC Chaser.png

This schematic provides 8 LEDs directly driven from the PIC along with a single mode control switch. The firmware elsewhere on this page drives the LEDs with a 5 bit PWM signal providing each of the 8 LED channels with four levels of intensity; off, dim, mid, bright. A number of sequences are programmed into the firmware to provide some interesting visual effects and chase sequences.

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:00000001FF

The software has sequential, random and manual
sequence run modes and manual advance to the next sequence in any
mode. The selected sequence and mode are also saved to non-volatile
memory so it will always restart in the selected mode.

Description
Filename
Download link


Source code for 16F628A/88

pwmchaser107.zip

V1.0.7 03/04/2009 Download

HEX file

ready to program into the PIC.

Use with 16F628 / 16F628A only

pwmc_main107_ufo.HEX

V1.0.7 03/04/2009 Download

The design is deliberately simple with each
LED being directly driven from a PIC I/O. You can use it with
different sized LEDs and mixed colors. As well as using it as a LED
chaser it is great for adding effects to toys and models. The firmware
pre-programmed into the PIC16F628A supplied with the kit includes over
34 chase effects and sequences.

LED Chaser PCB.jpg

PIC LED Chaser.png
 

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