Latest threads in Hobby Electronics Basicsshow only best voted threads
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Senet parts 1-3
Using Astronomy as the template for these hierographs, the 30-square Senet format follows the classic 36-decan zodiac, such as depicted in extant ancient stone or wood artifacts and complementary...
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1 week ago
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Chess
Nep / | / +-------+-------+-------+------Ura------+-------+-------+-------+ |Can | PIS |Lib Gem AQU | Vir Tau CAP| Leo | Ari| | | | | Cap | | | | | | | | | | | | |...
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1 week ago
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Dendera Zodiac - parts 1-5
This jpg file (from photo dated 25 October 2022) posted to the Wikipedia page on the Dendera Zodiac represents a significant improvement to previous images available on-line, much sharper, though...
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1 week ago
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Vitruvian Man - parts 7-11a
[continued from parts 1 - 6] . . . * the three pyramids of gizeh are the most famous, everlasting and iconic land- marks in the world; hermians, altars, sundials, carefully placed as tones on the...
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1 week ago
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Vitruvian Man - parts 1-6
Wikimedia Commons - Da Vinci Vitruve (photo L. Viatour) 2,258 x 3,070 pixels, 5.81 MB: crude photo correction: rotate -0.62 horizontal +0.7 vertical +0.5 save PNG (35.56 MB) import into inkscape: skew...
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1 week ago
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DC motor reversing
Hi there I am no electronics geek And I am wondering whether it is possible to get a C motor circuit without relays (may be using transistors) Innocent
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3 months ago
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Re: WHAT IS THE SPEED OF ELECTRICITY?
Electricity itself does not have a single "speed" in the way that physical objects do. Instead, electricity refers to the flow of electrons or other charged particles through a conductor, such as a...
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7 months ago
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Scope use question
I'd like to use both traces on my scope to look at 2 voltages that are without a common reference. E.g., across R1 & across R3: ________R1____ | R2 ... | R3 ____|______ I know that there are isolation...
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9 months ago
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Power Calc
Okay, here's anohter dumb quesiton. Say I have a resistor across the mains power supply. Say its 10k for argeuments sake. Mains here is about 115VAC. So the resistor will disspate 1.3 watts give or...
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10 months ago
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Resistors in parallel
Hi guys, I need to make up a 15k 4 Watt resistor from a selection of half Watt resistors in parallel. But the math is a bit complex for me. Any ideas how I could do this please? I'm relatively new to...
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10 months ago
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New Motor Has Much Greater Torque/Power Than Old
Yet just using "throttle" [no pedal assist] doesn't seem much better. First and only theory: the torque sensor ripped apart after hundreds of miles of slip bang of the bad free wheel. I suspected this...
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10 months ago
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Altering PCBs
No way to pull over a heavy commercial vehicle after knocking off its tail light even if you wanted to so even though it must represent a small fraction of unreported minor accidents, freeways are...
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1 year ago
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Re: Splattering solder into eye?
On Saturday, October 25, 2008 at 11:57:30 AM UTC-4, Peter Hucker wrote: I am the unfortunate person in this situation. I have gotten solder splash in my eye, right in the center of my pupil in my...
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1 year ago
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Email configuration for security camera
I was not sure which group to post this too, so this is the closest I could find. I have a security camera sold by Harbor Freight. It is a Cobra CCTV. This is what I am trying to set up for sending me...
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1 year ago
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Testing small Transformer questions
I have a dead Ac/Dc adaptor. I'm busted it just to learns stuff. Im trying to learn how to test Transformers. This transformer says on it AMS10405 RG 1320F. I provide this to give all information,...
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1 year ago
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