Latest threads in Electronics Designshow only best voted threads
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Less obese Verilog tools
Hi, all, I'm building a lock-in that needs to run for exactly 15 cycles and then stop, and have nonoverlapping switch waveforms with enough dead time to allow the input signal to settle. It's an easy...
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10 years ago
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Lucky book find!
Hi all, Whilst at some stranger's house on completely unrelated business I noticed a book in a waste basket in his study. On plucking it out I found it was called, 'Low Level Measurements for...
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10 years ago
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37 | |
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What's a good, really hgih speed 'soundcard'
Are there any Soundcard-like Systems out there that will do 16, 18, or even 20 bits at 100, 200, or even 500MSs ?? Know all the pieces exist, just need an AC coupled system already running and can be...
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10 years ago
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Arduino Day
If you like Arduino, today is Arduino day and today only Sparkfun has Arduino board versions starting from $3. Limit of 2 per order.
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10 years ago
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GSM module, which can send SMS
Hi I am looking for a setup, which can send and SMS to me when movement is registered in my garage. Basically a PIR sensor and some electronics and a GSM transmitter. (well, a magnetic reed relay on...
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10 years ago
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Very durable electrolytics or similar?
Folks, Looks like I may not be able to get away without electrolytics this time. I need well north of 100uF and rated 200VDC or higher. The problem: Heat in conjunction with a required high MTBF. The...
183
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10 years ago
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183 | |
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3M MDR IDC connector vs flat cable pitch
I was wondering if anyone could clear up some confusion regarding connector pitch vs flat cable pitch. 3M advertises their MDR series of connectors a s being 0.050" pitch, which is the horizontal...
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10 years ago
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car usb charger not durable
I have gone through several car usb chargers that plugs into cigarette lighter plug. They usually die in a few months. I just opened one up and it has a 34063a IC in it. The circuit is probably...
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10 years ago
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great invention
-- John Larkin Highland Technology, Inc jlarkin att highlandtechnology dott com
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10 years ago
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120 | |
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measuring uV
Hi there,I'm new to the group and need to match transistors for a synth pro ject.I have diagrams for a transistor matching cct but need to measure diff erences in the region of digital meters lowest...
21
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10 years ago
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21 | |
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Code reader
Does/Has anyone make/made a IR remote code reader? I'm thinking a IR sensor, a few parts, USA, and a SMOP as my old boss would say. With this you could read the codes coming from various remotes....
13
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10 years ago
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Reduce 6 Vdc to 4.5 Vdc
What would I need to reduce 6 Vdc -> 4.5 Vdc. It would power some LED lights. I don't know what current they draw, but they only last about 5 hrs. using 3 AAA alkaline batteries. Thanks.
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10 years ago
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Telephone Spammers
I just experienced a telephone spammer who sent my own telephone number as the CID! Anyone else experienced that? Since I use Ooma, I wonder if I can't simply blacklist my own number? I'll ask...
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10 years ago
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high value 0.1% resistors
I need some 2.0 meg and 2.49 meg resistors, 0603, ROHS, 0.1% or maybe 0.25%. The usual suspects, Digikey and Mouser, seem to stop at 1M. Can anybody recommend suppliers?
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10 years ago
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dual gate mosfet oscillator
Anyone have any experience with how dual gate mosfets perform in a crystal oscillator role, at low voltages (< 3 v), at frequencies say 200 - 500 MHz?
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10 years ago
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