resistor question

[seminolewind]

What is this? If I want 5 volts, do I use this?

 

[CaSHMeRe]

depends on what type of resistor it is ....

for 5 volts ... you want roughly a .5ohm resistor when using (2) 3.0v rated batteries.

If you use 3.7v batteries ... you will probably want .75 - 1ohm of resistance ...

 

[seminolewind]

I have no idea what this is. I used my voltage meter on it, but can't get a number because I am clueless, LOL

 

[Robert]

No- You want an inline voltage regulator.

 

[mnealtx]

All depends on your setup (I can't open your pic). If you're using 3v batteries, then a small resistor will work fine. For 3.7v batteries, a resistor can still work, but a regulator will be more stable as you will get 5v all the way down until the batteries cut off.

 

[youfillintheblank]

Here's a good website to order resistors. http://www.tubedepot.com/resistors.html

They have a page of parts and you can order exactly the type you need. I've been using the 2 watt resistors for mods for a couple months now. Definitely go with the values that Cashmere suggested. 0.47 ohms for 3 volt batteries, 1 ohm for 3.7v batteries

BTW I have nothing against the voltage regulators, but they just don't last, and are much more expensive than resistors. All my regulators from Texas instruments died, some in as little as 2 days. One lasted a month, but that one was the fluke.

 

[mnealtx]

All my regulators from Texas instruments died, some in as little as 2 days. One lasted a month, but that one was the fluke.

That's odd - mine have lasted a couple months now and still going strong.

 

[youfillintheblank]

The first one I used died in about 5 days, the second one lasted me about 4 weeks, during which time I made another one for a supplier friend of mine, his crapped out almost right away, my second one died, I have made another but I don't use it much, cuz, it DIED! my 510 unit with a 2 watt .47 ohm resistor works like an MFing champ! I actually preferred the performance of the the regulated one, but one can only get so many free parts from TI. Resistors are like 12 cents and haven't died yet. For me, resistors all the way!

That's odd - mine have lasted a couple months now and still going strong.

 

[CaSHMeRe]

I have no idea what this is. I used my voltage meter on it, but can't get a number because I am clueless, LOL

put your multimeter to read ohms ... then stick the probe on each side to get the measurement of resistance

 

[seminolewind]

Thanks, Guys. Maybe I'll just stick to my trusty battery for the time being. I'm thinking I'm not ready yet for this other stuff!

 

[punkman]

I cannot make out the color bands exactly but I think it is a 92 ohm resistor. If it was me I would go the voltage regulator route myself.