I got the LED working last night. I don't know why it's working now, because the configuration is the one that sparked. No sparks this time, and everything runs fine.
The potentiometer won't turn the supply all the way off. If you want a slower speed, you could piggy back a second behind it.
Later,
__________________ MT
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Save me, O God! For the waters have come up to my neck. - Psalm 69:1
I would not suggest doing ANY wiring while your power supply is plugged in.
I'll have to add a disclaimer to the beginning of the thread.
As for the potentiometer, it will NEVER turn the power all the way off. Regardless of the type of potentiometer, you will only get a voltage DROP by using any type of resistor. The potentiometer is meant only to allow you to control the speed of the fan, which in part allows you to control the speed of your stir bar and the size of your vortex.
__________________
I'd rather have a bottle in front of me, than a frontal lobotomy.
--Tom Waits
You can't be a real country unless you have a beer and an airline - it helps if you have some kind of a football team, or some nuclear weapons, but at the very least you need a beer.
--Frank Zappa
Great instructions, got my prototype working last night. Need to do some soldering this weekend. Big Thanks.
One question, i see you soldered your Pot, but you used the connectors on your power switch, should you not solder a power switch? Will the heat burn it out?
Thanks!
Radio shack should send you a free project box for all the buisness you send them
Hehe... thanks. I soldered my pot because I knew that I wasn't really going to be moving it around. I used the female connectors on the switch only because it was easier. Normally I would always solder and shrink wrap an electrical connection.
__________________
I'd rather have a bottle in front of me, than a frontal lobotomy.
--Tom Waits
You can't be a real country unless you have a beer and an airline - it helps if you have some kind of a football team, or some nuclear weapons, but at the very least you need a beer.
--Frank Zappa
Hehe... thanks. I soldered my pot because I knew that I wasn't really going to be moving it around. I used the female connectors on the switch only because it was easier. Normally I would always solder and shrink wrap an electrical connection.
+1 to solder and heat-shrink. Another +1 to your earlier post stating to only work on wiring with no power supply plugged in!
I drool a little each time I come to this thread. I'm itching to build this but I just have too much on the proverbial plate to build the stir-plate. Can't wait though!
-Tripod
__________________ No trees were harmed in the posting of this message but a large number of electrons were terribly inconvenienced...
Primary: Botched Amaerican IPA| Bottle: Blonde Ale and "Nearcastle II" Nut Brown Ale... | Drinking: Nearcastle II... | Up Next: Something Stout so it has time to get nice for the cooler season...
+1 to solder and heat-shrink. Another +1 to your earlier post stating to only work on wiring with no power supply plugged in!
I drool a little each time I come to this thread. I'm itching to build this but I just have too much on the proverbial plate to build the stir-plate. Can't wait though!
-Tripod
+2, I used clips as well on the on/off switch for the same reason as Tony, but my soldering skills have deteriorated to the point where I couldn't get the heat shrink tubing over the big a$$ glob I created. I either need to improve my skills or buy larger tubing.
__________________
Conical 1 - Through a Mild Darkly
Conical 2 - Empty
Carboys - Schwarzbier
Secondary 1 - Empty
Secondary 2 - Empty
Secondary 3 - Empty
Kegged: Nutty Man Brown Ale, Kolsch, Kal's 20 min APA (US-05), Kal's 20 min APA (S-04), L'Ambree D'Esquelbecq, Gulden Draak, Alpha King, EdWort's Haus Pale, BLC
Bottled: Oaked Bourbon Porter
Planned: English Mild
Now Open: My new 10 gallon Kal inspired RIMS brewery
The bigger the blob the better the job... Actually thats not true...
__________________
I'd rather have a bottle in front of me, than a frontal lobotomy.
--Tom Waits
You can't be a real country unless you have a beer and an airline - it helps if you have some kind of a football team, or some nuclear weapons, but at the very least you need a beer.
--Frank Zappa
+2, I used clips as well on the on/off switch for the same reason as Tony, but my soldering skills have deteriorated to the point where I couldn't get the heat shrink tubing over the big a$$ glob I created. I either need to improve my skills or buy larger tubing.
That's easy enough to fix if you want to, just grab a little bit of solder wick and pull off about half the solder you put on. You should still be able to see the outline of the wire with the right amount of solder.
__________________
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Official member of HBAMAP (Home Brewers Against Murder and Pedophilia)
Quote:
Originally Posted by Revvy
Then that means dumping your beer because you think it's bad is tantamount to abortion! And as Big Kahuna says, drinking a beer too soon is tatamount to beer pedophilia...
__________________
------------------------------------------------
Official member of HBAMAP (Home Brewers Against Murder and Pedophilia)
Quote:
Originally Posted by Revvy
Then that means dumping your beer because you think it's bad is tantamount to abortion! And as Big Kahuna says, drinking a beer too soon is tatamount to beer pedophilia...
I'm itching to build this but I just have too much on the proverbial plate to build the stir-plate. Can't wait though!
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