Latest threads in Hobby Electronics Basicsshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
Printed Battery Sheets
The patent laws need to include some kind of protection for muses. Shakespeare wrote that the muse was the real prime mover. Bret Cahill
—
|
13 years ago
|
— | |
|
|
Unsolicited testimonial
--A pal showed me this site over the weekend; it gets idiots like me from breadboard to gerber files with a minimum of fuss. It's a work in progress but I think it's awesome. -- "Steamboat Ed" Haas :...
7
|
13 years ago
|
7 | |
|
|
override IR power on switch?
hello, i have a sharp AC/Dehumidifyer that cost me a lot of money. its nice and quiet. but, i'd like to set it on a timer, so it only dehumidifys when there's moisture in the air. unfortunately, you...
4
|
13 years ago
|
4 | |
|
|
fixing my dishwasher
My dishwasher stopped heating the water so I checked the heating element resistance and I get 13 ohms. Well the manual asks that it be plugged in to at least a 15 Amp circuit and at 120 Volts I get R...
22
|
13 years ago
|
22 | |
|
|
Basic inductor question
How is it that the winding direction of a coil whether it is CW or CCW has no effect on the direction of the induced voltgae. When we analyze a circuit we always do v = Ldi/dt, however according to...
3
|
13 years ago
|
3 | |
|
|
Electronic "Taggent" To Keep Subscribers From Reposting Articles
Maybe there could be some way to put a unique electronic "taggent" on each subscriber's download -- the poor man's version might be a strategically placed misspelling -- to determine which subscribers...
15
|
13 years ago
|
15 | |
|
|
Energy Star Blower
Does anyone make a 12VDC low current blower? 100 ma is not low current. Would like 40 ma or less. Something the size that might be used in a PC or similar.
5
|
13 years ago
|
5 | |
|
|
Sure Electronics LED Matrix display
Hi, I am playing around with Sure Electronics LED Matrix display 2416 There is a very nice thread in Arduino Forum I also got it working with BV513 from Byvac, Now I got it working with Velleman...
—
|
13 years ago
|
— | |
|
|
running a sim in pspice (demo version)
I have a schematic that I would like to run a simulation of. I'm using a spice program for the very first time today. I've got the schematic drawn and I'm trying to figure out how to start a...
1
|
13 years ago
|
1 | |
|
|
HP Deskjet 990Cxi prints `in white!'
Hi, I've got an old Hp Deskjet 990Cxi which suddenly decided to print nothing. When I send a document to the printer, it behaves as before (paper is taken, cartridges move, etc.), but the resulting...
10
|
13 years ago
|
10 | |
|
|
Quality factor
What happens to quality factor of capacitor when they are in parallel or series? For example if one 270pF has minimum Q of 1000 and two capacitors in parallel with total value of 270pF, (each...
6
|
13 years ago
|
6 | |
|
|
Appraising small rechargeable batteries
Hi Experts, I have many small rechargeable AA and AAA batteries and find it hard to appraise them. 1 How to determine if they have some life left? I know I can charge them for 24 hours and then see...
9
|
13 years ago
|
9 | |
|
|
Flash frequency possible for LED
I have a variable strobe which uses two bright leds in series driven by an oscillator and a BC547. This is quite effective and will strobe at just over 60 Hz. Could anyone give me an idea of the...
11
|
13 years ago
|
11 | |
|
|
The proper way to carge a rechargeable battery?
After searching for information on how to recharge batteries I was left with contradicting suggestions regarding the proper way to do it and even what to expect from a recharged battery. So, in order...
16
|
13 years ago
|
16 | |
|
|
Where to buy a small wheel hub motor?
Specifically, where can I buy a high quality small wheel hub motor (with wheel) like the one used for powered Trikkes? Or some other small wheel (16 inches or less) hub motor? Thanks.
10
|
13 years ago
|
10 |