Circuit Lake » USB

PIC Based EPROM Reader

admin — Mon, 26 Sep 2011 02:58:51 +0000

This project allows you to read many common EPROM and Flash memory chips. It’s equipped with USB interface that uses FTDI USB to serial chip. The PIC18F4550 microcontroller firmware handles the various differences of the range of EPROM chips. The project only uses HyperTerminal PC software to control and read the chips. Intel hex [...]

USB Website Hit Counter

admin — Fri, 06 May 2011 21:33:46 +0000

The project purpose is to build an AVR-based website total page hits counter and display it on 7-segments display instead of using only general scripts such as PHP, Java, CGI etc. The counter project consists of three main parts. First, PHP hit counter script run on website. This script will count the number of times [...]

USB-CAN Dual Axis Motion Control System

admin — Thu, 24 Feb 2011 19:59:43 +0000

This low cost distributed motion controller system consists of two units: a USB-CAN converter and a dual axis controller. The USB-CAN converter uses the PIC18F258 and a FTDI FT245BM USB interface chip to translate messages between the USB and CAN buses. While PIC18F458-based dual axis controller is kept busy implementing servo/stepper trajectory and PID [...]

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PIC Thermostat With USB Interface

admin — Wed, 18 Aug 2010 03:07:05 +0000

The goal of the project is to use a microcontroller to regulate some larger household like home thermostat. The project will control the space heater to keep environment temperature is maintained near a desired set point temperature. By using a USB interface, the project can be controlled using Windows application. The system uses PIC18F252 as [...]

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Mains Voltage Monitor

admin — Tue, 09 Mar 2010 22:48:19 +0000

The purpose of mains monitor project is to record mains fluctuations with an autonomous device and upload measurement to a PC for analysis. The monitor plugs into an ordinary mains outlet and records (time stamps) the voltage amplitude and the frequency at defined time interval. It transmits data through an USB interface. It can be [...]

USB Hourglass Sand Timer

admin — Thu, 07 Jan 2010 20:49:13 +0000

If you’re looking random number generator project check out this Arduino Based USB Hourglass. The project combines a sand timer with a rotating mechanism and an optical beam through the center of the timer to observe the falling sand. The amount of light reaching a detector is digitized at frequent intervals and processed by a [...]

Simple USB Charger

admin — Wed, 23 Dec 2009 22:44:30 +0000

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. The charger circuitry and 2 [...]