Led Flasher Circuit with PIC

complet circuit
Blinking Leds


Circuit, Wiring | Project pictures


Flow chart | Source code

Project Specifications

  • PIC:PIC16F84A
  • Processor Frequency:10MHz
  • LED Type:High brightness LED x 8
  • Blinking patterns:Five

Circuit control eight blinking LEDs with PIC software.
Blinking pattern change with five switches.

Pattern 1 led flasherpattern
Pattern 2 led flasher pattern
Pattern 3 led flasher pattern
Pattern 4 led flasher pattern
Pattern 5 led flasher pattern

Circuit Diagram, PCB

Electronic circuit diagram - LED flasher

led flasher circuit diagram
X1=10Mhz resonator.

Pattern drawing (wiring side)

Pattern drawing

Source code files - LED flasher

Led source Code (ZIP) Led_hex (ZIP)

Flowchart - Led Flasher

Flow chart showing software processing outline.
Processing can be understood read only source code list.
flasher flowchart

LED Flasher Board Pictures


components side PCB


wiring side PCB
Original Author: Seiichi Inoue (Japan)