Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!ncrlnk!ncrcce!ncrons!johnson From: johnson@ncrons.StPaul.NCR.COM (Wayne D. Johnson) Newsgroups: sci.electronics Subject: Re: Using computer to switch high current circuit Message-ID: <224@ncrons.StPaul.NCR.COM> Date: 5 Jan 90 20:52:28 GMT References: <1990Jan2.005157.12780@uokmax.ecn.uoknor.edu> Reply-To: johnson@ncrons.StPaul.NCR.COM (Wayne D. Johnson) Distribution: na Organization: NCR Comten, St Paul Lines: 17 In article <1990Jan2.005157.12780@uokmax.ecn.uoknor.edu> blpike@uokmax.UUCP (Brian Lee Pike) writes: >I am trying to build a circuit that allows my Commodore 64 to connect a >110,000 microfarad (that's not a typo, I mean 0.11 farad), 18 volt capacitor >across a load for a brief period of time (somewhere between about 0.1 second >and 0.75 seconds) and then disconnect the capacitor. Hmmm thats going to make quite a zap if you short the cap out. We built a .25 farad cap in high school, charged it to 25 volts and discharged it with a VERY large screwdriver. Not very much remained if the screwdriver... -- Wayne Johnson | Is a baby's life worth more than the right to NCR Comten, Inc. | make a choice? Babies are people too. Roseville MN 55113 +----------------------------------------------------- (Voice) 612-638-7665 (E-MAIL) W.Johnson@StPaul.NCR.COM