Recent content by jim380

Yes. I figured. I also tried powering the 6v regulator using a power generator in my lab. Everything works fine when loaded with the same resistor. I'm literally running out of ideas.

http://www.digikey.com/product-search/en?pv32=195&pv14=71&FV=fff40006%2Cfff804e3&k=12+volts+battery&mnonly=0&newproducts=0&ColumnSort=0&page=1&quantity=0&ptm=0&fid=0&pageSize=25 I'm using this one.

okay. I think I found the problem. When the regulator is loaded with a 12 ohms resistor, the battery voltage drops from 12V to 3.4V . I've tried a couple new batteries, still the same problem.

True. I will try to isolate the problem, and report back. Thanks for your help so far.

yes. But when I was testing it today in the lab, it didn't seem to get hot, at all. Weird...

MC7806B is the one I use: https://www.dropbox.com/s/7bqqb3j565m16bc/MC7806B.PDF

It doesn't get hot at all. I replace the battery frequently, so it shouldn't be a problem (I guess...)

Thanks. I'll let you know as soon as I get to check it.

what if the battery voltage (or the input voltage at the regulator) does drop drastically?

They were around 12V, as they should be.

Sorry for putting you back on this question, but I'am still suffering from the voltage drop issue. I already tried installing a heat sink on the 6V regulator. When it's unloaded, the output voltage is almost exactly 6V. But when I put a load (a 12 ohms resistor, which is supposed to be...

Sorry for putting you back on this question, but I'am still suffering from the voltage drop issue. I already tried installing a heat sink on the 6V regulator. When it's unloaded, the output voltage is almost exactly 6V. But when I put a load (a 12 ohms resistor, which is supposed to be...

Sorry for putting you back on this question, but I'am still suffering from the voltage drop issue. I already tried installing a heat sink on the 6V regulator. When it's unloaded, the output voltage is almost exactly 6V. But when I put a load (a 12 ohms resistor, which is supposed to be...

Sorry for putting you back on this question, but I'am still suffering from the voltage drop issue. I already tried installing a heat sink on the 6V regulator. When it's unloaded, the output voltage is almost exactly 6V. But when I put a load (a 12 ohms resistor, which is supposed to be...

Exactly what I thought when I first ran into this problem. A couple things I've tried: 1. Directly power up the servo motor using 4 AA batteries----> Motor works fine. 2. I believe I've tried putting resistive loads (ranging from 2-10 ohms) on the 6v output. But it's like a couple weeks ago...