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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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ALARM CLOCK xx CLOCK xx SHELF CLOCK Oversized wooden alarm clock looks like the old-fashioned style with two "bells" on top. Pieces are laminated from cherry, walnut and maple and then turned on a lathe. This is an award-winning project from a high-school student. Sun-powered alarm clock. Uses a photoelectric detector at the bottom of a long, dark tube. When the sun gets to a position to shine straight down the tube, an alarm is sounded. Tip on using X-10 Universal Modules (with built-in chime function) as centrally-controlled alarm clocks in several rooms. Motorola 68705 microcontroller. (1) How to build a single-IC microprocessor system using the Motorola MC68705P3 microcomputer on a chip. (2) Build a programmer for burning software into the 68705's internal EPROM. (3) Digital alarm clock project built around the 68705 IC. Digital alarm clock based on the Motorola HMOS 68705P microcontroller. Wake-Up Caller circuit attaches to the earphone jack on a clock radio. When activated it will turn on a large bell, light bulb, etc. and serve as an effective alarm clock. Digital alarm clock uses the MA1023 National Clock Module IC and a few other components. It is housed in a wooden case with a red plastic face to conceal the components, but still allow the digital numbers to appear. H8 alarm clock program. Program uses the nine-digit LED display and internal speaker to form the "most expensive" alarm clock on the block. Schematic for adding an audible wake up alarm to a digital clock which uses a Radio Shack #227-1001 clock chip. Experimenter's interface device. Part 3. Experimenting with input and output lines on a Commodore-64 computer. Projects include a sequential binary counter, alarm clock, power control, and alarm system. Nap timer. A low-cost programmable short-time wake-up alarm for senior citizens who must take therapeutic naps. A battery-powered pocket snooze alarm lets you nap for 5, 10, 15 or 30 minutes. An infinite snooze alarm. Select the duration of a snooze period (up to 31 minutes) as many times as you wish. How to add luxury features to electronic digital clocks. (1) Make your digital clock "fail-safe". (2) Add an alarm clock function. Use your TRS-80 computer as a timer or alarm clock. Program computer to time an event lasting up to 24 hours or to sound an alarm at any desired time. How to modify an AC-powered alarm clock to flash an external lamp in sequence with the pulsating alarm. Ideal for someone with a hearing disability. Build an illuminated clock platform and night light combination for a traditional key-wound alarm clock. Build a clock that tells the state of semidiurnal ocean tides. Includes an alarm that can be set to go off when the tide is at a particluar stage. How to build your own digital alarm clock with a snooze alarm, AM, PM and power indicators and an extra circuit to start a coffee pot. How to modify an electronic alarm clock for multiple alarms and long term alarms. Build this talking alarm clock. Part 1. It announces the time in a pleasant female voice. Est. cost: $70. Build this talking alarm clock. Part 2. 68705 microcontroller. Part 2. Build a programmable alarm clock. Globe-trotting travel clock. Make an elegant wooden case for a digital alarm-clock module. Overall dimensions: 4"x4"x1". Cartoony alarm clock case for a quartz movement features large red feet, non-operating bells, and a clapper that appears to be in motion. Making a turned wooden surround for a small alarm clock kit. | |||||||||
Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law. |
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