Circuit Lake

Electronic Project and Circuit Collection

Power Supply


High DC Power Meter

June 19, 2010 By: admin Category: AVR, Measurement, Microcontroller, Power Supply, Project, Tools No Comments →

The Hibox is High DC Power Meter based on the Atmel Atmega16 microcontroller. This equipment is capable to measure DC voltage up to 40V, currents up to 200A (600A with special sensor) and shows all values on 2×16 characters display. It was developed for enhanced measurements on new Lion/Lipol batteries which are widely used in […]

Dummy Load Project

May 05, 2010 By: admin Category: AVR, Miscellaneous, Power Supply, Project No Comments →

The dummyload project simulates loads from zero to 1000 mA to help characterize new power supply designs. This design can present a single load to the supply, or it can toggle between two loads with a selectable period and duty cycle. The project is built around microcontroller AVR ATmega169.

Emergency Power System

April 20, 2010 By: admin Category: Control, Microcontroller, Power Supply, Project No Comments →

The project shows you how to build PIC-based emergency power system for 12-Volt device system. The hearts of the project is PIC16F870. The system will monitoring battery voltage both charging and discharging currents, control 4 digit display, and switches the AC and load relays.

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.