tag:blogger.com,1999:blog-78823502635784273012011-04-21T21:00:49.099-07:00chaoshttp://www.blogger.com/profile/15465189233226101960noreply@blogger.comBlogger11100tag:blogger.com,1999:blog-7882350263578427301.post-68513365918249756392007-03-05T09:29:00.000-08:002007-03-05T09:53:08.202-08:00I found this on a website, but i made this to and i forgot to take pictures so i will use pictures from the website i found it on: <a href="http://www.josepino.com/">http://www.josepino.com/</a><br /><br />This is a low cost project to generate 1hz pulses.<br /><br />Components:<br /><br />- An old clock<br />- 2 Diodes<br />- 1K resistor (so you can run it from 3-5 Volts instead of 1,5 Volts)<br /><br />Preparations:<br /><br />Take the clock and get the motor (the little black box) out.<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/quartz_clock.jpg" src="http://www.josepino.com/circuits/clock/quartz_clock.jpg" /><br /><br />Open the black box<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/opening_the_clock.jpg" src="http://www.josepino.com/circuits/clock/opening_the_clock.jpg" /><br /><br />It should look a bit like this:<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/quartz_clock_gears.jpg" src="http://www.josepino.com/circuits/clock/quartz_clock_gears.jpg" /><br /><br />Take evrything out<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/quartz_clock_electronics.jpg" src="http://www.josepino.com/circuits/clock/quartz_clock_electronics.jpg" /><br /><br />You can save the gears, we only need the little circuit board<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/quartz_clock_electronics.jpg" src="http://www.josepino.com/circuits/clock/quartz_clock_electronics.jpg" /><br /><br />Take of the coil and the metal thing that goes truh it<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/quartz_clock_disassembled.jpg" src="http://www.josepino.com/circuits/clock/quartz_clock_disassembled.jpg" /><br /><br />This is the schematic:<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/hack_quartz_clock.gif" src="http://www.josepino.com/circuits/clock/hack_quartz_clock.gif" /><br />You don't have to use the 1K resistor if you just want to run it on 1,5 Volts<br /><br />This is what it would pretty much look like:<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/timebase_generator.jpg" src="http://www.josepino.com/circuits/clock/timebase_generator.jpg" /><br /><br />This is a sample project:<br /><img class="postimg" alt="http://www.josepino.com/circuits/clock/one_second_generator.jpg" src="http://www.josepino.com/circuits/clock/one_second_generator.jpg" /><br /><br />There are probably a lot of typo's, sorry for that.<br /><br />If you are into electronics go to this site: <a href="http://www.uchobby.com">http://www.uchobby.com</a><br /><br />I hope you like it!<br /><br />-Yon<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/7882350263578427301-6851336591824975639?l=yon-vanom.blogspot.com' alt='' /></div>chaoshttp://www.blogger.com/profile/15465189233226101960noreply@blogger.com0