realitista@lemm.ee to Science Memes@mander.xyzEnglish · 4 days agoVirgin Physicistslemmy.worldimagemessage-square47fedilinkarrow-up1453arrow-down19file-textcross-posted to: lemmyshitpost@lemmy.world
arrow-up1444arrow-down1imageVirgin Physicistslemmy.worldrealitista@lemm.ee to Science Memes@mander.xyzEnglish · 4 days agomessage-square47fedilinkfile-textcross-posted to: lemmyshitpost@lemmy.world
minus-squareyucandu@lemmy.worldlinkfedilinkEnglisharrow-up27·edit-24 days agoI used to make shunt resistors out of a pencil and a piece of paper. Rub pencil all over paper, cut strips to size of required resistance. EDIT: I mean megaohm resistors not shunt resistors. 20MOhm for DIY theramin.
minus-squareJerkface (any/all)@lemmy.calinkfedilinkEnglisharrow-up4·4 days agoI made a potentiometer with paper and graphite clay once
minus-squareRogueBanana@lemmy.ziplinkfedilinkEnglisharrow-up1·3 days agoThat’s cool, could you share some photos? The theramin I mean
minus-squarexthexder@l.sw0.comlinkfedilinkEnglisharrow-up1·3 days agoThis is exactly how high precision resistors are calibrated. A laser is usually used to notch out bits of the resistor to tune it after it’s made.
I used to make shunt resistors out of a pencil and a piece of paper. Rub pencil all over paper, cut strips to size of required resistance.
EDIT: I mean megaohm resistors not shunt resistors. 20MOhm for DIY theramin.
I admire it but also…wtf lol
I made a potentiometer with paper and graphite clay once
That’s cool, could you share some photos? The theramin I mean
This is exactly how high precision resistors are calibrated. A laser is usually used to notch out bits of the resistor to tune it after it’s made.