Latest threads in Electronics Designshow only best voted threads
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Wireless Relay Closure
What is the best (that is, most reliable) way to, upon application of 110VAC to a device, have it wirelessly operate a relay on the other side of the house? ...Jim Thompson
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7 years ago
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great book
Many of us geeky guys were Sherlock Holmes fans in our youth. I must have read all the stories five times, and still reread one now and then. The mysteries weren't the point; Sherlock was. This is a...
42
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7 years ago
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Ultra-low power switching boost converter - in a DIP
For a hobby project, I've found the perfect part for converting battery power to a very low current (2 ma at most) 28V power supply. And that is the Linear Technologies LT8410-1 "Ultralow Power Boost...
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7 years ago
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OT: Utility easements
Folks, Since I can't find much on the web, maybe someone here had this issue. Long story short the water utility wanted to fix the sewer on their side of the clean-out because it backed up too much....
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7 years ago
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OT: Good Read
...Jim Thompson
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7 years ago
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OT: Amusing Find
Amusing Find... while rummaging thru one of my catch-all drawers. Back in the '60's and '70's when chip layout were done by hand, drawn on stabilene. ...Jim Thompson
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7 years ago
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BBOX - belguim router
Did someone try to setup port forward on this router ? I can not set anything else accept 80 / 443 port. E.
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7 years ago
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LM566 alternative.
I have benn trying to find a decent alternative to the LM566 VCO. It does not seem to be sold anymore at reputable sellers and the ones on EBay (from China) I don't trust to be authentic or...
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7 years ago
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EMI-resistant input transformer design
Hi, all:= Okay, so I have a very low level very low noise narrow band signal at < 1MHz coming in over shielded twisted pair with a fairly active EMI environment. I've designed an step-up input...
27
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7 years ago
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Panasonic KX-P1093
ANYbody have a manual for the Panasonic KX-P1093 ? Also, ANYbody have a driver? So far,drivers for the Epson FX-100, FX-80, FX-80+ and the LX-80 all(more or less) work. Problem is graphics is all low...
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7 years ago
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1940s radio
I'm looking for any info on this one, I've found next to nothing online. It has no manufacturer name anywhere, and no back. It's a 3 valver with mazda octal military valves, 2x VR65 rf pentodes (aka...
27
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7 years ago
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OT: Shaped Spotlight ??
Shaped Spotlight ?? Is this obtainable, a shaped spotlight with a 16" x 12" pattern at 5' from the ceiling? ...Jim Thompson
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7 years ago
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Superior PCB assembly workmanship
Dig the superior workmanship on the underside of this Chinese built "eBay Special" SMPS bench supply!
10
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7 years ago
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small DC motor - attachment to spindle?
I have a small dc motor (think slot car), being used as a door actuator for the door locks on my car. It has an attachment on the 20mm long spindle. I've looked and looked, pro dded, pulled (lol), but...
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7 years ago
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Damn, burned out my 100-watt 50-ohm resistor!
A major meltdown last Friday for my 8ns 1kV SiC MOSFET pulser. After set of tests at 400V and 4MHz repetition rate, with everything working fine, I had to increase the frequency. A loose hand slip and...
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7 years ago
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