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Voltmeter died
If you want to dial it in to be accurate, you can substitute a variable resistor and tweak it until you get your gauge to match a DMM reading. Probably not worth the trouble, though.- MarcusOReallyus
- Post #19
- Forum: CUCV
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Voltmeter died
Ohm's Law. 24 volts through 300 ohms gets you 0.08 amps and 1.92 watts. I'm not sure of the circuit diagram, though. I haven't had a reason to mess with it. IF that 300 ohms is in series with 300 ohms presented by the voltmeter (which is easy to believe), then you are okay at a half watt...- MarcusOReallyus
- Post #14
- Forum: CUCV
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Voltmeter died
It must be 300 ohms. As far as wattage, bigger is better. You would be fine with a 2 watt, but do NOT go lower. 5 watts would be the cat's meow. Two 150s should go in series to make 300 ohms. If you put them in parallel, they would make 75 ohms.- MarcusOReallyus
- Post #12
- Forum: CUCV
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Voltmeter died
No, today is December 7th, Pearl Harbor Day. It's NOT April 1st. You're kidding, right? You want a used resistor? https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=300+ohm+resistor+2+watt&rh=i%3Aaps%2Ck%3A300+ohm+resistor+2+watt- MarcusOReallyus
- Post #3
- Forum: CUCV