Circuit Lake

Electronic Project and Circuit Collection

LED Related Resources


MSP430 Bike POV (Persistence of Vision)

February 21, 2013 By: admin Category: Display, LED No Comments →

bike POV booster pack for MSP430 launchPad

Spoke Ink is a booster pack for MSP430 LaunchPad that attaches to the spokes of your bicycle wheel. Using an array of 32 RGB LEDs and a magnetic sensor, this booster pack projects produce a bright and upright image right from the spokes of your wheel. You can create the image from any bitmap with […]

Simple Portable Led Game System

February 09, 2013 By: admin Category: Game, LED, PIC No Comments →

Portable Led Game Device

This is a fun project with LED, a simple portable led game system. It is built based on PIC16F628A, 16 RGB LED and 9 bipolar transistors BC548. It has 4 buttons for control, a switch for turning it off, and a tiny speaker for sound output. What kind of game can you play with this […]


Room Visitor Counter

January 22, 2013 By: admin Category: Detector, Microcontroller, Monitoring No Comments →

Home Automation - Room Visitor Counter

This room visitor counter counts how many people are currently in the room. It will detect someone who enter or exit the room. When there is at least one person in the room, the relay is switched on. And vice versa, if the room is vacant, the relay is switched off. You can connect the […]

Raspberry Pi Based DMX Light Controller

January 21, 2013 By: admin Category: Control, LED, Raspberry Pi, USB No Comments →

Raspberry Pi DMX Light Controller

This project shows you how to build and display color wheel editor window on the screen of a Raspberry Pi computer and allows you to manipulate with your mouse. When you change the color on the screen, it also changes the color on the DMX light fixture in realtime to match. This can serve as […]