Latest threads in Hobby Electronics Basicsshow only best voted threads
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FM radio question
I use an armband FM radio when jogging. It has a switch "local", obviously for nearby stations. What does this do, at the circuit level, and why? How would you measure its quality or performance?
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9 years ago
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OT: High Chair Finish
We have a nice wooden high chair that's starting on the third round... great grandchildren. The finish is getting a bit thread-bare. The wife want to PAINT it to match her new "shades of gray" kitchen...
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9 years ago
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solar/battery powered wifi camera setup advice
so i want to setup a remote wifi camera, battery powered with solar charging. Proj Plan: choose smallest setup battery/solar panel / camera that will achieve my goal Goal: Daytime only monitoring ,...
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9 years ago
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astable multivibrator semiconductors
For an astable multivibrator, would 2n7000 mosfets be more efficient than 2n3904 bjts?
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9 years ago
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Differential Amplifier is an input stage of every op-amp
Generally, if input stage of an operational amplifier is realized as BJT tr ansistor differential amplifier, op-amp has smaller slew rate, smaller volt age offset and better CMRR. If it's realized as...
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9 years ago
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OT: Today's HoneyDo Project
Today's HoneyDo Project Too many glasses, had to add... Mounted 18" down from ceiling (9' ceiling) so I can reach ;-) 48" wide by 22" deep Mean to work inside that narrow a space. ...Jim Thompson -- |...
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9 years ago
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batteries
I would like to know if all batteries that can be recharged get recharged at the same speed I am looking for a rechargeable battery that can get charge extreme fast thank you for any answers Kurt...
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9 years ago
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Popups and ads
I get popups and adverts every few seconds. It is maddening. I have gone to the Chrome web extension page and found umpteeen ad and popup blocks. Ever time I try and load one I get the message: An...
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9 years ago
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OT: MOSIS
Anyone run a MPW on MOSIS recently? Quoting a buddy also in this biz... "MOSIS doesn't put it prices on their page anymore. You have to use the automated quote system. I mean, come on, who wouldn't...
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9 years ago
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What are they teaching these days?
The side-track about performing analog with digital electronics on Eric's strain-gauge thread made me wonder. Are they teaching any analog in schools these days? Because there's a huge market out...
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9 years ago
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Why I was looking for info about strain gauges and the like
I have been designing a new type of tapping head aimed at small shops with older equipment. It is designed to keep taps from breaking, it detects missing, short or undersize holes, and it does...
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9 years ago
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Anybody here know about strain gauges and the like?
If you do maybe you can give me some guidance. I would like to be able to measure the torque required to drive taps so that I know when the tap is getting dull. The torque range is from .5 to 106 inch...
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9 years ago
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Figuring out how to configure CD4060B clock
I have been using and tinkering with a 4060 IC as part of learning various electronics. And I have one and it feels like I am missing some understandi ng on how things really work. Using this IC:...
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9 years ago
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No Business Plan for Utilities
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9 years ago
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OT: Modern day equivalent to sendmail?
Is there a modern day equivalent to sendmail? My Eudora E-mail client can run an executable upon command of an incoming filter match. I simply want to send an E-mail saying "E-mail received from..."...
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9 years ago
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