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LED Flashers and Blinkers

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PIC16F628 based 8 RGB LED Controller

PIC16F628 based 8 RGB LED Controller

This code is for a simple RGB LED controller for 8 LEDs using a PIC16F628. The pattern is determined by the data in the EEPROM. Upon startup, the controller loads the data into RAM and starts up the sequence.

http://www.semifluid.com/PIC16F628_8RGBLED.html

PIC16F628 Serial 1 RGB LED PWM Controller

PIC16F628 Serial 1 RGB LED PWM Controller

This code is for a simple RGB LED controller for 1 LED using a PIC16F628 that has PWM control for the LED.

http://www.semifluid.com/?p=11

PIC16F628 Serial 8 RGB LED Controller

PIC16F628 Serial 8 RGB LED Controller

This code is for a simple RGB LED controller for 8 LEDs using a PIC16F628. It is controlled by sending 3 bytes to the internal USART for the red, green, and blue color channels.

http://www.semifluid.com/?p=12

PIC16F628 Serial 8 RGB LED PWM Controller

PIC16F628 Serial 8 RGB LED PWM Controller

This code is for a simple RGB LED controller for 8 LEDs using a PIC16F628 that has PWM control for the LEDs.

http://www.semifluid.com/?p=13

Seven Component Regulated LED Lamp

Seven Component Regulated LED Lamp

This is a minimal parts lamp made with four white LEDs. It features regulated light output from 10V to around 20V and works well as a flashlight. Operating Current is 40ma

http://www.solorb.com/elect/solarcirc/4ledlit/index.html

16 Stage Bi-Directional LED Sequencer

16 Stage Bi-Directional LED Sequencer

http://ourworld.compuserve.com/homepages/Bill_Bowden/page5.htm#night_r.gif

2 Transistor LED Flasher

2 Transistor LED Flasher

This is a classic 2 transistor astable multivibrator. Many other NPN small signal or switching transistors can be used, including 2N4401, PN2222 or 2N2222 using the circuit on the left. The circuit can also be inverted using PNP transistors such as 2N3906, 2N4403, PN2907, or 2N2907

http://www.reprise.com/host/circuits/transistor_flasher.asp

Assorted LED circuits

Assorted LED circuits

http://www.qsl.net/yo5ofh/hobby%20circuits/led_circuits.htm

Christmas Star

Christmas Star

http://www.grantronics.com.au/star.html

Christmas tree

Christmas tree

flashes LEDs mounted to christmas tree shape PCB.

http://www.grantronics.com.au/tree.html


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