Search found 2124 matches

by jwax
Fri Oct 09, 2020 12:23 pm
Forum: General Discussion
Topic: High Powered/Long Distance HF RFID Antennas?
Replies: 3
Views: 154

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: 381

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: 10
Views: 819

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: 381

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: 396

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: 1644

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: 948

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: 948

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: 928

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: 1268

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: 10
Views: 819

Re: Sole Treadmill Repair

Mine is a magnetic pickup.
by jwax
Sat Jul 18, 2020 11:18 am
Forum: General Discussion
Topic: Sole Treadmill Repair
Replies: 10
Views: 819

Re: Sole Treadmill Repair

Thanks! Sole service department assures me it's the "Display Board", so ordered a new one.
They'll even take it back if it doesn't solve the problem! Haven't heard that in awhile!
by jwax
Mon Jul 13, 2020 3:56 pm
Forum: Robotics
Topic: Drones
Replies: 6
Views: 1403

Re: Drones

Yes, except for the guy that drove up a mountain near his home, launched the drone and told it to go home. 7 miles.
He beat the drone home and watched it land in his backyard.
by jwax
Mon Jul 13, 2020 3:53 pm
Forum: General Discussion
Topic: Sole Treadmill Repair
Replies: 10
Views: 819

Sole Treadmill Repair

Picked up (literally!) one Sole F83 Treadmill for free. Couldn't resist the challenge. Big 3 HP motor. It powers on ok, but when the start button is pushed to start the motor, the display flashes a "3", and goes into reset, and starts over again. No obvious signs of problems. Motor turns freely by h...
by jwax
Sun Jul 12, 2020 8:01 am
Forum: General Discussion
Topic: High Power Ultrasonics
Replies: 15
Views: 1171

Re: High Power Ultrasonics

Thanks haklesup- I knew of freeze spray, but never thought to get the liquid in a closed container and have it go bang.
Dry ice works too! :)