Arduino - Teh Forum

HardwareArduino

From:	koswix	26 Aug 2015 14:31
To:	ANT_THOMAS	414 of 542

40898.414 In reply to 40898.413

Depends on the motor (generally: permanent magnets, no. electromagnets, yes), but probably easier just to use a linkage to reverse direction. That way for half the time the door is opening and half the time it's closing, but the motor runs constantly in the same direction.


 ▪                    
             ┌────┐    ┌────┐                      
          │    │    │    │ ▪                    
          │    └────┘    │                      
          │   ──┐  ┌──   │ ▪                    
   ┌──────┤    ▪    ▪    │                      
  ┌┘      │              │ ▪                    
┌─┤       └──┐  │  │  ┌──┘                      
│ │          │ ││  ││ │   ┌─┐                   
│ │          └─┼┤  └┴─┴───┘ │                   
│ │           ─┘│           │                   
│ │   ┌──────┐  └┬──────────┘                   
  │   │      │   │                              
  │   │      │   │                              
  └───┘      └───┘

If Feds call you and say something bad on me, it may prove what I said are truth, they are afraid of it.

0/0

More

From:	CHYRON (DSMITHHFX)	26 Aug 2015 14:37
To:	ANT_THOMAS	415 of 542

40898.415 In reply to 40898.413
The motor will fail, and you will be trapped up there, your muffled shouts drowned out by the tv and traffic. After a week of missing posters on shop windows and telephone poles, and cops scouring the neighborhood, it will be assumed you ran off, or just got offed. Years later, your dried husk will be found with broken fingernails and deep scratches in the hatch, after your family moves away. Or, you can stop right now. ---- "The general aim of these science fiction writers is to frighten the people into a state of paralysis or psychological incompetence bordering on hysteria" – FBI informant

+1/1

More

From:	ANT_THOMAS	26 Aug 2015 15:39
To:	koswix	416 of 542

40898.416 In reply to 40898.414
I still don't understand :(( So let's say I was to apply a voltage to the relevant wires it wouldn't turn 360 deg continuously? It would go, say, 180 deg and back again? I just want a simple motor I can turn 360 for a set amount of time, then -360 deg. Also, my hall effect sensors arrived, but I forgot to order magnets. I've had so much stuff from China arrive in less than 2 weeks recently. One item in 7 days too. A

0/0

More

From:	ANT_THOMAS	26 Aug 2015 15:39
To:	CHYRON (DSMITHHFX)	417 of 542

40898.417 In reply to 40898.415
I think I'll fit an emergency axe in the attic. A

0/0

More

From:	koswix	26 Aug 2015 17:39
To:	ANT_THOMAS	418 of 542

40898.418 In reply to 40898.416

https://youtu.be/D_KIOr_TpcM


 ▪                    
             ┌────┐    ┌────┐                      
          │    │    │    │ ▪                    
          │    └────┘    │                      
          │   ──┐  ┌──   │ ▪                    
   ┌──────┤    ▪    ▪    │                      
  ┌┘      │              │ ▪                    
┌─┤       └──┐  │  │  ┌──┘                      
│ │          │ ││  ││ │   ┌─┐                   
│ │          └─┼┤  └┴─┴───┘ │                   
│ │           ─┘│           │                   
│ │   ┌──────┐  └┬──────────┘                   
  │   │      │   │                              
  │   │      │   │                              
  └───┘      └───┘

If Feds call you and say something bad on me, it may prove what I said are truth, they are afraid of it.

+2/2

More

From:	ANT_THOMAS	26 Aug 2015 18:10
To:	koswix	419 of 542

40898.419 In reply to 40898.418
Thank you :$ A

+1/1

More

From:	koswix	26 Aug 2015 18:21
To:	ANT_THOMAS	420 of 542

40898.420 In reply to 40898.419

It's done like that because rapidly switching the direction on a motor (like windscreen wipers would have to) is really not nice for the motor, especially when there's a biggish load on the motor.


 ▪                    
             ┌────┐    ┌────┐                      
          │    │    │    │ ▪                    
          │    └────┘    │                      
          │   ──┐  ┌──   │ ▪                    
   ┌──────┤    ▪    ▪    │                      
  ┌┘      │              │ ▪                    
┌─┤       └──┐  │  │  ┌──┘                      
│ │          │ ││  ││ │   ┌─┐                   
│ │          └─┼┤  └┴─┴───┘ │                   
│ │           ─┘│           │                   
│ │   ┌──────┐  └┬──────────┘                   
  │   │      │   │                              
  │   │      │   │                              
  └───┘      └───┘

If Feds call you and say something bad on me, it may prove what I said are truth, they are afraid of it.

0/0

More

From:	ANT_THOMAS	26 Aug 2015 18:36
To:	koswix	421 of 542

40898.421 In reply to 40898.420
Makes total sense, and I quite like that video. I could probably get one for a fiver at the scrap yard or 7 quid buy it now on ebay. I think I'll buy one and have a play. A

0/0

More

From:	koswix	26 Aug 2015 18:46
To:	ANT_THOMAS	422 of 542

40898.422 In reply to 40898.421

Worst case scenario you have a relatively small, relatively high torque motor. That'll definitely find itself another use if it's not suitable for the door thing.


 ▪                    
             ┌────┐    ┌────┐                      
          │    │    │    │ ▪                    
          │    └────┘    │                      
          │   ──┐  ┌──   │ ▪                    
   ┌──────┤    ▪    ▪    │                      
  ┌┘      │              │ ▪                    
┌─┤       └──┐  │  │  ┌──┘                      
│ │          │ ││  ││ │   ┌─┐                   
│ │          └─┼┤  └┴─┴───┘ │                   
│ │           ─┘│           │                   
│ │   ┌──────┐  └┬──────────┘                   
  │   │      │   │                              
  │   │      │   │                              
  └───┘      └───┘

If Feds call you and say something bad on me, it may prove what I said are truth, they are afraid of it.

0/0

More

From:	ANT_THOMAS	30 Aug 2015 20:04
To:	ALL	423 of 542

40898.423
Discovered you can make a H Bridge using two relays. I happen to have a 2xRelay module which is now working as a H Bridge. Really really simple to use. If the relays are the same (high/low) the motor would be off. Set one relay high to turn the motor, swap which is high to change direction. Eg L/L & H/H - Off L/H - Forward H/L - Backwards A

0/0

More

From:	ANT_THOMAS	31 Aug 2015 14:29
To:	ALL	424 of 542

40898.424
Super dull video Arduino, 433 MHz receiver, relay module and hall effect sensor. The idea is to have the motor running for x seconds, but if the hall effect sensor is triggered it stops. A bit of a fail safe to stop the motor in case it is already fully open. A

0/0

More

From:	ANT_THOMAS	2 Sep 2015 18:23
To:	ALL	425 of 542

40898.425
Erm, I shouldn't have bought a rear wiper motor. Back to ebay (or hack this apart). A

0/0

More

From:	ANT_THOMAS	5 Sep 2015 12:26
To:	ALL	426 of 542

40898.426
That's better. Ford Focus front wiper motor. It's got quite a kick to it. A

0/0

More

From:	Monsoir (PILOTDAN)	5 Sep 2015 12:55
To:	ANT_THOMAS	427 of 542

40898.427 In reply to 40898.426
Your vid is private :( Dan Herman

0/0

More

From:	ANT_THOMAS	5 Sep 2015 12:58
To:	Monsoir (PILOTDAN)	428 of 542

40898.428 In reply to 40898.427
Should work now. A

0/0

More

From:	Monsoir (PILOTDAN)	5 Sep 2015 13:00
To:	ANT_THOMAS	429 of 542

40898.429 In reply to 40898.428
Haha - they've got some real torque haven't they! Dan Herman

0/0

More

From:	ANT_THOMAS	5 Sep 2015 18:29
To:	ALL	430 of 542

40898.430
Bloody hell, it actually works. Need to add the magnets/hall sensors - edit: added one for opening, works well. Change the open/shut duration, Support the upright better, Possibly switch the side of the motor because it is slower in one direction compared to the other. I'd rather the closing direction be slower and more controlled. Add some flyback diodes. A

+1/1

More

From:	ANT_THOMAS	14 Sep 2015 21:50
To:	ALL	431 of 542

40898.431
Used the an Arduino app on Android for the first time the other day "ArduinoDroid". Not the best app but still really useful. Saves disconnecting everything or bringing a laptop into the attic to tweak the sketch. A

0/0

More

From:	ANT_THOMAS	14 Sep 2015 22:46
To:	ALL	432 of 542

40898.432
Current progress. Not finished, still waiting for magnets to arrive so I can finish off and paint, but working nicely. A

+1/1

More

From:	koswix	14 Sep 2015 23:29
To:	ANT_THOMAS	433 of 542

40898.433 In reply to 40898.432

That's very cool, not sure about the big cutouts that are still visible in the hatch though. Take it you couldn't do it any other way?


 ▪                    
             ┌────┐    ┌────┐                      
          │    │    │    │ ▪                    
          │    └────┘    │                      
          │   ──┐  ┌──   │ ▪                    
   ┌──────┤    ▪    ▪    │                      
  ┌┘      │              │ ▪                    
┌─┤       └──┐  │  │  ┌──┘                      
│ │          │ ││  ││ │   ┌─┐                   
│ │          └─┼┤  └┴─┴───┘ │                   
│ │           ─┘│           │                   
│ │   ┌──────┐  └┬──────────┘                   
  │   │      │   │                              
  │   │      │   │                              
  └───┘      └───┘

If Feds call you and say something bad on me, it may prove what I said are truth, they are afraid of it.

0/0

More

Reply to All

1–20 … 361–380 381–400 401–420 421–440 … 541–542

Adjust text size : Smaller 10 Larger

Beehive Forum 1.5.2 | FAQ | Docs | Support | Donate!

©2002 - 2024 Project Beehive Forum

Forum Stats