Circuit Lake

Electronic Project and Circuit Collection

PWM Related Resources

Color to Sound Player, AVR ATmega1284

January 18, 2013 By: admin Category: AVR, Converter, Miscellaneous, Project No Comments →

This ATmega1284-based project can convert the color to sound directly. It can be used as cassette player that plays through a tape of colors. It determines the RGB content of a surface and then speaks the color or plays a musical tone at the sound frequency mapped to the color. The user can select between […]

PIC Doorbell

January 09, 2013 By: admin Category: Audio, PIC No Comments →

This PIC10F322-based Doorbell replaces your loud and boring Doorbell with playing your desired tunes in wave format. The project need I2C EEPROM chip to store the WAV files since PIC10F322 only has 512 bytes of flash and 64 bytes of RAM. If you have PIC chip with bigger memory then you can skip the EEPROM.

Servo Tester for RC Models

April 28, 2012 By: admin Category: Motor, Project, Renesas, Tools No Comments →

The application presented here is software driven device that allows the user to test the servo motors used in remote control operated models such as cars, boats, planes and so on. The tester is developed based on M16C/28 microcontroller. There are many opportunities when one may need to test a servo. Either the servo has […]

Clever Clapper

March 16, 2012 By: admin Category: AVR, Control, Miscellaneous, Project, Sensor Comments Off on Clever Clapper

A “Clapper” is a device that will turn on or off an AC appliance that is plugged into it, such as a lamp or fan when it “hears” you clap twice in approximate succession.