Circuit Lake

Electronic Project and Circuit Collection

Analog


20A Unipolar Stepper Driver

January 03, 2010 By: admin Category: Analog, Control, Motor, Project No Comments →

This project show you how to build Unipolar Stepper Motor driver for high current. The driver able to handle up to 20A. The main component in this driver is L297. While the driver circuit is more or less taken from the L297 datasheet. More features from the project are : Handles a maximum of 100V, […]

Simple USB Charger

December 24, 2009 By: admin Category: Analog, Power Supply, USB No Comments →

This is simple but very powerful USB charger project for your gadget like mp3 player, camera, cell phone, and any other gadget you can plug into a USB port to charge. Main component of the project is LT1302, Micropower High Output Current Step-Up Adjustable and Fixed 5V DC/DC Converters from Linear.

Flashing LED Light

December 22, 2009 By: admin Category: Analog, LED, Project No Comments →

This project shows you how to build simple flashing light based on IC 555. The 555 has function as clock generator with dutycyle less than 100 and more than 50. The other components are Voltage regulator, 3 power amber LED and passive component like resistor and capacitor. The project submitted by Musheg Khurshudyan. He said […]

Solar Project : Reading Lamp

December 16, 2009 By: admin Category: Analog, Power Supply, Project No Comments →

The solar reading lamp project aim was to produce a self powered reading lamp that could be used by students in developing countries for reading at night. The circuit can be used for a wide variety of lighting applications.