Circuit Lake » Timer

Network Equipment Resetter

admin — Sat, 16 Jul 2011 18:48:44 +0000

This network power resetter is built based on PIC16F628 microcontroller. It controls a solid-state-relay that connecting 110VAC Power line with a satellite internet receiver or routers.Once every 24 hours, The resetter will activate relay and drops power for 10 seconds to allow the receiver and routers to start clean, something that seems to be [...]

Hackable Arduino-Based Digital Clock With Animation, DOTKLOK

admin — Sat, 12 Mar 2011 22:33:38 +0000

If you want to build a digital clock with unique features then check out DOTKLOK project. This Arduino-based digital clock can displays a series of unique time-telling animations. The passing of time is displayed with numbers and abstract/geometric patterns taken from classic video games such as Pong, Tetris, Pacman, and Space Invaders. The clock is [...]

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Digital Wall Clock With IR Score Keeper

admin — Wed, 17 Nov 2010 18:05:27 +0000

ScoreTime is a digital wall clock with a bonus inside: an infrared remote-controlled scorekeeper. The hardware is based on the Atmel AVR microcontrollers: an ATmega48 in the base, and ATtiny28 in the remote. ScoreTime helps players keep accurate score and track who is the current player in addition to performing its duties as a wall [...]

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Teachers Timer

admin — Sun, 29 Aug 2010 02:26:31 +0000

Teachers Timer is ATtiny13-based innovative and discrete timing device for assisting teachers and lecturers. Using cell phone style vibrations and a simple one-button interface the user can be alerted to the passage of time without staring at the clock. For lectures and presentations the device can also include a laser pointer that will gently fade [...]

Personal Swimming Timer

admin — Sat, 27 Mar 2010 19:24:19 +0000

The AVR ATmega8 based swimming timer project help the swimmer to counts the lengths of the pool swum and calculates swimmer speed. The timer consists of two units – the timer unit, which counts and times length pairs; and the display unit which sits on the bottom of the pool and displays to the swimmer [...]

Meeting Minder

admin — Tue, 23 Mar 2010 03:14:40 +0000

The MeetingMinder is time reminder for public speaker that give a warning when their speaking time will end. The project is built as indication light tower that has red, green and yellow 360-degree wraparound lights, mounted to a base which houses a large two-digit seven-segment display and the control circuitry. The tower colors indicate “talk” [...]

PIC Countdown Timer

admin — Fri, 08 May 2009 23:59:30 +0000

The goal of this PIC timer is to provide a countdown time from 1 second to 99 minutes & 59 seconds. One of its applications is to control the lighting for the Ultra-Violet exposure of photosensitive PCB material. The project provides also an audible alarm at the end of the countdown time and switches the [...]