Circuit Lake

Electronic Project and Circuit Collection

Display


TinyProjector, Small Portable Character Projector

July 01, 2012 By: admin Category: Display, Miscellaneous, PIC No Comments →

TinyProjector is a very small portable character projector based on inexpensive laser diodes. It projects a single line of text onto nearby walls and tables from portable and wearable devices like cellphone and PocketPCs that will be connected via wireless serial connection. The current prototype uses PIC microcontroller, PIC16F877, and is capable of displaying 8 characters, […]

AVR Touchpad Handwriting Recognition

May 14, 2012 By: admin Category: AVR, Display, Interfacing, Miscellaneous, Project No Comments →

This ATmega644-based project implements a touchpad input system which takes user handwriting input and converts it to a printed character. Currently, the device only recognizes the 26 letters of the alphabet, but it could be easily generalized to include any figure of completely arbitrary shape, including alphanumeric, punctuation, and other symbols using available training system. […]

Wireless Altoids Display

May 09, 2012 By: admin Category: Arduino, Display, Microcontroller, Project, Wireless No Comments →

The aim of this project is to build a wireless 2×16 character display that fit to Altoids tin. It can be used to display data which is sent from the PC using a terminal program such as the Arduino ‘Serial Monitor’. The project consists of two main parts, first, the ‘remote’ Altoids tin containing Arduino, […]

Ping-Pong Score Keeper

March 02, 2012 By: admin Category: Digital, Display, Game, Microcontroller, Monitoring, Project, Renesas No Comments →

The purpose of this project is to build a device that can keeps track of the score and which team is serving. Mounted on the edge of the ping-pong table, the device speaks to you – scores and service are announced verbally. They are also displayed on the LCD. The ping-pong score keeper is built […]