About Capacitance circuits

This page contains an archive of all entries posted to Gadget Freak in the Capacitance circuits category. They are listed from oldest to newest.

Awards is the previous category.

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Many more can be found on the main index page or by looking through the archives.

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Capacitance circuits Archives

August 6, 2007

Don't touch the touchless lightswitch!

It’s a miracle!

Continue reading "Don't touch the touchless lightswitch!" »

August 21, 2007

Snake + Oil = SnOil

Award-winning designer Martin Frey created a device based on the classic arcade game.

sn.JPG

Continue reading "Snake + Oil = SnOil" »

June 17, 2008

Circuit Design Ideas - monitoring RS-232, protecting laser-diodes

rs232 design idea.jpgTwo more inspirations for designing your own circuits - taken from our Design Ideas section.

They involve a hot-swap serial-interface circuit allows two computers to monitor all the traffic on an RS-232 port and a laser-diode-clamp circuit that protects against overvoltages.

Hot-swap circuit allows two computers to monitor an RS-232 channel, courtesy of Jeff Patterson, All Weather Inc, Sacramento, CA; Edited by Charles H Small and Fran Granville

Improved laser-diode-clamp circuit protects against overvoltages, courtesy of James Zannis, Baulne-en-Brie, France; Edited by Charles H Small and Fran Granville

Continue reading "Circuit Design Ideas - monitoring RS-232, protecting laser-diodes " »