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rf everywhere

Wireless is everywhere now, miniaturized to an astounding degree. Recently, I saw a report on a button size gardening g...
55 comments posted 13yrs
posted by r_delaney2001
55 comments posted 13yrs posted by r_delaney2001

Programming a Dranetz 626

Acquired a basic 626 power analyzer. After fixing up the thermal printer -- which works fine now -- I want to program t...
9 comments posted 13yrs
posted by invalid
9 comments posted 13yrs posted by invalid

Spicy Schematics for Mobile and Web

Spicy has come a long way since last year, and we are releasing version 2.4.2 soon with updated features and performanc...
0 comments posted 13yrs
posted by info
0 comments posted 13yrs posted by info

Dranetz 626 plug-ins

There are many different models of 626 power disturbance monitors, from the vanilla 626, and from the 626A through 626G...
0 comments posted 13yrs
posted by invalid
0 comments posted 13yrs posted by invalid

Question about VFD (variable frequency drive)

Hi, I read an article intruducing the principle of VFD at: http://www05.abb.com/global/scot/scot239.nsf/veritydisplay/4...
1 comments posted 13yrs
posted by rxjwg98
1 comments posted 13yrs posted by rxjwg98

Is Wayne Green Still Alive ???

He hasn't posted to his blog since the end of November, and an e-mail I sent today bounced. The last e-mail I received...
1 comments posted 13yrs
posted by nospam
1 comments posted 13yrs posted by nospam

Power mains question: wire gauge

Air compressor 1/2 hp motor rated 220v (2-wire, not 3-phase) @ 15A. Distance from load panel ~100 ft (as the conduit ru...
143 comments posted 13yrs
posted by invalid
143 comments posted 13yrs posted by invalid

Odd timer needed

We're in the dry Denver area with a 2300 sq ft ranch home and have an Aprilaire whole house humidifier with a wall ther...
12 comments posted 13yrs
posted by Jane
12 comments posted 13yrs posted by Jane

Gould/Biomation K102-D serial protocol?

Hi, Some time ago, I bought a surplus Gould/Biomation K102-D logic analyzer. Not a bad piece of equipment for a hobbyis...
0 comments posted 13yrs
posted by josef.moellers
0 comments posted 13yrs posted by josef.moellers

Re: How do I detect telephone "off hook" condition?

> Does anyone have plans for a simple off-hook detector? I need to know > when someone has lifted a receiver. A dial-to...
4 comments posted 13yrs
posted by robbiedcain1
4 comments posted 13yrs posted by robbiedcain1

Weird Question About Electronic Games And Toys

Years ago, I was a Pokemon fan (street cred? What's that?), and among the more interesting toys they had was the Pokemo...
3 comments posted 13yrs
posted by peterg
3 comments posted 13yrs posted by peterg

Dubbing Buss

Hi, I have just dropped in to see if I can find out more about the problem I am trying to solve. I am putting together...
2 comments posted 13yrs
posted by mybaconbutty
2 comments posted 13yrs posted by mybaconbutty

soldering phosphor bronze pins to PCB

Hi all, I'm not sure this is the good place where to post this, please advise a better NG in case it exists. I'm workin...
1 comments posted 13yrs
posted by alessandro.basili
1 comments posted 13yrs posted by alessandro.basili

Original regenerative radio receiver circuit.

Here is a well thought out regenerative radio circuit: http://evospice.site88.net/regen/regen.html It uses a transistor...
0 comments posted 13yrs
posted by bitterlemon40
0 comments posted 13yrs posted by bitterlemon40