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DIY Stompboxes => Building your own stompbox => Topic started by: John Egerton on August 19, 2004, 07:19:21 AM

Title: DIY multimeter?
Post by: John Egerton on August 19, 2004, 07:19:21 AM
Hey guys...

I'm building a synthstick and need to check if my vhs tape conducts however i have no multimeter...

Is there anything i can use to check if the slightest bit of current is passing through the tape for now until i buty a multimeter?

Thanks

Also, is there any other materials I can use instead of tape to use as the resistor? I don't know... are there adhesive carbon strips out there???

John
Title: DIY multimeter?
Post by: cd on August 19, 2004, 08:17:17 AM
You could use a battery and an LED.
Title: DIY multimeter?
Post by: lightningfingers on August 19, 2004, 08:40:15 AM
You could omit the LED and use your tongue.......

Also you should check this thread out if you haven't already:

http://www.diystompboxes.com/sboxforum/viewtopic.php?t=23564&start=0&postdays=0&postorder=asc&highlight=
Title: DIY multimeter?
Post by: Paul Perry (Frostwave) on August 19, 2004, 10:12:21 AM
You can make a useful "audible" resistance tester from a 555, just use any 555 osciullator circuit & replace the variable reistor (that changes the frequency) by the "mystery " resistance to be tested. Comparing wityh a few known resistors will get you in the ballpark.
Plus, it makes an amusing "hands on" theremin!
Title: DIY multimeter?
Post by: Hal on August 19, 2004, 11:37:59 AM
if you're gunna make the synthstick anyway, build the circuit, with a pot in place of the "stick" part.  Once its done, and known good, remove the pot, and put the stick in its place - to see if it works.