TempMeter#2 : Improved Accuracy by Using a Laser Poiter

RE: TempMeter#2 : Improved Accuracy by Using a Laser Poiter

genebren — Sat, 22 Aug 2020 19:55:56 GMT

Very cool solution to sensing the rod rotation. Well done!

RE: TempMeter#2 : Improved Accuracy by Using a Laser Poiter

DAB — Wed, 19 Aug 2020 18:05:23 GMT

Great experiment.

Well done.

DAB

RE: TempMeter#2 : Improved Accuracy by Using a Laser Poiter

jw0752 — Wed, 19 Aug 2020 17:20:48 GMT

Hi Dubbie,

Very well done. It was fun to see the lazer dot run across the ceiling. Even the slant of the ceiling served to amplify the effect.

John

RE: TempMeter#2 : Improved Accuracy by Using a Laser Poiter

beacon_dave — Wed, 19 Aug 2020 16:51:02 GMT

...now then, two more mirrors, a second laser pointer and you could make a vector laser projector to project the scale onto the wall/ceiling... [View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-4dcee82f-3ae8-4435-9a43-58427f2e829d/contentimage_5F00_2516.png:16:16]

It's looking good though !

Were you able to find and use a front-surfaced mirror ?

RE: TempMeter#2 : Improved Accuracy by Using a Laser Poiter

neilk — Wed, 19 Aug 2020 16:29:11 GMT

Nice one.

Takes me back to the school physics lab in the 1960s, using a mirror galvanometer and a light source projecting on to a scale on the wall.

Neil