Led Flasher 2 Circuit with PIC

complet circuit blinking leds
Blinking Leds


Circuit, Wiring | Project pictures


Flow chart | Source code

Project Specifications

  • PIC:PIC16F84A
  • Processor Frequency:4MHz
  • LED Type:High brightness LED x 8
  • Blinking patterns:Tree

Circuit control eight blinking LEDs with PIC software.
Blinking pattern change with 3 switches.

Pattern 1 led flasher pattern
Pattern 2 led flasher pattern
Pattern 3 led flasher pattern

Circuit Diagram, PCB

Electronic circuit diagram - LED flasher

Led Flasher circuit Diagram
X1=4Mhz resonator.

Pattern drawing (wiring side)

Green lines show wiring connections at component side.

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


component side PCB


wiring side PCB
Original Author: Seiichi Inoue (Japan)