Search found 2128 matches

by jwax
Thu Nov 05, 2020 5:40 pm
Forum: General Discussion
Topic: Ghosts
Replies: 10
Views: 722

Re: Ghosts

I don't believe in ghosts anymore! Black tape over the IR detector has stopped the random turn-on problem! As I recall, years ago when IR remotes were in their infancy, I recall a "kit" that used a high power IR emitter that was good for several hundred feet of range. Wondering if one of those is lo...
by jwax
Mon Nov 02, 2020 3:22 pm
Forum: General Discussion
Topic: Power Supply for mains circuit _linear or switch mode
Replies: 7
Views: 583

Re: Power Supply for mains circuit _linear or switch mode

Maybe a big-ass 90 VDC motor?
Would like to hear more about this 15 ohm, 110 VDC load, which BTW, is 7.3 Amps.
by jwax
Mon Nov 02, 2020 3:13 pm
Forum: General Discussion
Topic: Ghosts
Replies: 10
Views: 722

Re: Ghosts

Sounds like the suggested explanation is a cell phone could induce a signal into my IR Remote Control to switch the TV on/off? Never would have guessed that, but what do I know? :) Trying the black tape over the IR detector on the TV. BTW, the remote for the TV is nowhere to be found, certainly not ...
by jwax
Sun Nov 01, 2020 7:06 am
Forum: General Discussion
Topic: Ghosts
Replies: 10
Views: 722

Ghosts

Have a 23" Insignia LCD TV which I use for video monitoring of a nearby video camera. Been using it for over a year. Several nights ago, it powered itself up, went from "Video" input to "TV" input, and started scanning through the channels. I shut it off manually, but it kept coming on, by itself, f...
by jwax
Fri Oct 09, 2020 12:23 pm
Forum: General Discussion
Topic: High Powered/Long Distance HF RFID Antennas?
Replies: 3
Views: 480

Re: High Powered/Long Distance HF RFID Antennas?

Welcome! Is it possible to use several antennas, oriented differently?
by jwax
Mon Sep 21, 2020 7:03 am
Forum: General Discussion
Topic: Atari 2600 Joystick
Replies: 5
Views: 733

Re: Atari 2600 Joystick

Dang! Thought the Atari had pots, not switches!

Thanks Janitor Tzap!
by jwax
Fri Sep 18, 2020 6:58 pm
Forum: General Discussion
Topic: Sole Treadmill Repair
Replies: 11
Views: 1543

Re: Sole Treadmill Repair

It was the Motor Control Board. That fixed it.
by jwax
Fri Sep 18, 2020 5:57 pm
Forum: General Discussion
Topic: Atari 2600 Joystick
Replies: 5
Views: 733

Atari 2600 Joystick

Anybody ever take apart one of these controllers? Hope to see what value potentiometers are in them.
https://www.ebay.com/itm/223171202819?s ... Track=true

Building an all-electric lawnmower, and looking for a controller for it. 5K ohm pots would be ideal.
by jwax
Fri Sep 18, 2020 7:00 am
Forum: General Discussion
Topic: SRM motor
Replies: 3
Views: 733

SRM motor

Are Switched Reluctance Motors really the motor of the future?
Has anyone used them?
https://turntide.com/#
by jwax
Thu Aug 13, 2020 5:11 am
Forum: General Discussion
Topic: UVC Testing - Willing to pay!
Replies: 14
Views: 2203

Re: UVC Testing - Willing to pay!

Interesting TED talk on using UVC for sterilization:
https://www.ted.com/talks/david_brenner ... st-talks-6
by jwax
Sun Aug 02, 2020 10:13 am
Forum: General Discussion
Topic: looking for a timer
Replies: 13
Views: 1417

Re: looking for a timer

A $9 Arduino Nano would do the job also.
by jwax
Sun Aug 02, 2020 9:03 am
Forum: General Discussion
Topic: looking for a timer
Replies: 13
Views: 1417

Re: looking for a timer

Cascaded dual timers could probably manage this- ICM7556 perhaps.
by jwax
Fri Jul 24, 2020 6:00 pm
Forum: General Discussion
Topic: Paralleling circuit breakers
Replies: 13
Views: 1401

Re: Paralleling circuit breakers

I had a vehicle winch that came with three paralleled 50 Amp breakers. If they were of different values, no I don't think they would just add up. The lowest rated would blow first, then the other.
by jwax
Sat Jul 18, 2020 4:12 pm
Forum: General Discussion
Topic: searchine for 2mm JST 5P male connectors
Replies: 16
Views: 1831

Re: searchine for 2mm JST 5P male connectors

It's a single LiPo cell- why a 5-pin connector?
by jwax
Sat Jul 18, 2020 3:27 pm
Forum: General Discussion
Topic: Sole Treadmill Repair
Replies: 11
Views: 1543

Re: Sole Treadmill Repair

Mine is a magnetic pickup.