Latest threads in Hobby Electronics Basicsshow only best voted threads
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Analyzing a circuit
AoE Chapter 3 - circuit ideas A (high-input-impedance follower) Also here: and at the end of the post. 1) How do you go about analyzing this circuit? how do you approach it? I ca n do the DC analysis...
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9 years ago
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OT: HDMI Wireless
Anyone have experience/recommendations for wireless ways to distribute HDMI to multiple TV sets? ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's...
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9 years ago
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Relaxation Oscillator as a perfect example of regenerative feedback
Relaxation Oscillator circuit is a perfect example of regenerative feedbac k that is special case of positive feedback. Simple and efficient, this cir cuit is practical for students labs and still...
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9 years ago
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What size circuit breaker for Oven
Hi, The owners manual for our 240 volt oven says it has a max of 4730 watts. T he 2 pole circuit breaker says 30 amps on each half. Is that to big? We have had a couple of heating elements go bad with...
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9 years ago
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Basic static electricity question
Let's say I walk over the carpet and get charged to 10KV. Then I touch a MOSFET. Is it fair to assume that the MOSFET won't be damaged unless it has a path to ground?
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9 years ago
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standing waves
We know what standing waves look like, on a string, or EM waves in a cavity. But what's the mathematical definition of a standing wave? Does to have to include nodes, where the amplitude is always...
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9 years ago
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[OT] RadioShack declares bankruptcy
Nearly a century after it opened its first store and sent out its first catalog, RadioShack (RSHC) declared bankruptcy on Thursday. It has struck a deal to sell up to 2,400 of its approximately 4,000...
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9 years ago
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Chinese Germanium 1N34
So I got a bunch of these from China for a couple dollars. How can I tell they are not fakes and does it matter if I'm just going to stash them in my junk box and I don't expect any critical...
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9 years ago
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Serial Breakout Box
Looking for an inexpensive (less that $100) serial RS232 breakout box. Can set BAUD, etc and then receive serial data. needs to have some sort of data bit output; TTL or ?. up to 8 bits. nice to be...
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9 years ago
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What ever happened with the come back of Heathkit?
Some time back there were rumors and a website regarding bringing back Heathkit or similar. As I recall it even asked which kits from heathkit were the most popular or maybe it was which ones would be...
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9 years ago
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[OT] RadioShack suspended from NYSE as bankruptcy looms
Summary: RadioShack shares have been suspended from trading on the New York Stock Exchange (NYSE) even as it continues to seek a rescue from possible bankruptcy. The NYSE said the US electronics firm...
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9 years ago
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OT: Shop trying to force a return
Since around mid-2014, Chinese manufacturer Xiaomi has been enjoying a huge success here in India selling mid-range mobile phones at prices no other company could touch. The phones are sold...
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9 years ago
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GLCD CM12864-2 wont work
Hi, II have a graphic lcd (Cm12864-2). Wandering if someone could help me out. The screen turns on and the backlight too. but I am unable to display anyth ing.. I can make it work with other 128 x 64...
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9 years ago
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DC-DC converters basic topologies online simulations
DC-DC converters are essential power supply circuits for modern electronic equipment today. Five basic topologies are ready now for online simulation. Visit them on:
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9 years ago
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Capacitor as a power supply
This is more of a thought experiment triggered by handling of a huge cap. Would it be possible to charge a big cap and discharge it through a load resistor without dropping voltage much over a...
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9 years ago
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