HardwareArduino

  

Press Ctrl+Enter to quickly submit your post
Quick Reply  
 
 
  
 From:  ANT_THOMAS    19 Aug 2015 23:27 
 To:  graphitone      410 of 542 
40898.410 In reply to 40898.406 
Not totally finished but so far... (click for bigger)

Original hatch



Day 1 - widen hatch and put supporting beams across existing beams. Filthy work. Didn't realise that the developer I bought it off had put a suspended ceiling in the landing area, that made things a bit more complicated.

 

Day 2 - Give the hatch a box/carcass



Day 3 - Architrave

 

It will soon be painted white.

Day 2 - Started the boarding

 

Day 3 - Most of the rest of boarding done

 
 

You may notice I've not laid the tongue & groove as it should be. I've gone tongue-tongue, groove-groove. My original reason was because I wanted it to be easy to lift any boards in future, and as I've been laying the boards it became an even better idea because the beams I'm screwing into aren't level/even in the slightest so getting them to align nicely would have been impossible. The house is about 150 years old so that's not a surprise.

The best way would have been to build a frame across the area to lay the boards on to ensure it was totally flat. That wasn't going to happen.

Day 4 will be laying any extra boards and bits of boards that need doing.

I'll need to make a change to the door when the ladders arrive. Once that's done I'll crack open the paint.
0/0
 Reply   Quote More 

 From:  graphitone   20 Aug 2015 09:29 
 To:  ANT_THOMAS       411 of 542 
40898.411 In reply to 40898.410 
:D looks like it's going well, but a pretty big job. Are you taking time off work to do this? How did you tidy up the top of the uprights (the bits that cover the gap in the suspended ceiling) from the hatch where it meets the boards above? It looks nice n' neat.

Are you boarding over the insulation stuff or removing that as you go?  That's reminded me, I had a look in our loft space the other week. Like yours it's got a suspended ceiling from when the attic was converted from a room and a corridor into one big room. They made some attempt at insulation - there's a bag of polystyrene pellets up there covering about a square meter's worth of floor space. It's just above my dart board, so at least that'll be nice and warm come the winter. :/

I like the light well. :)

 


images?q=tbn:8nj2HfmLhyV7yM:b
Drawings n' that
0/0
 Reply   Quote More 

 From:  Chris (CHRISSS)   20 Aug 2015 22:25 
 To:  ANT_THOMAS       412 of 542 
40898.412 In reply to 40898.405 
I can't open attachments on my Kindle. I'm avoiding any new threads with attachments til I get home. Looks like you have a nice bit of attic space. Mine is pretty big but there are s many bits of wood supporting the roof (I don't know the tevhnical term for them) that it makes it very awkars to move around the attic.
Me
0/0
 Reply   Quote More 

 From:  ANT_THOMAS    26 Aug 2015 12:49 
 To:  koswix      413 of 542 
40898.413 In reply to 40898.391 
On the windscreen wiper motor.

Is it generally a simple case of polarity changing to switch direction? Or is it a little more complicated?
0/0
 Reply   Quote More 

 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
 Reply   Quote 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
 Reply   Quote 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.
0/0
 Reply   Quote 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.
0/0
 Reply   Quote 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
 Reply   Quote More 

 From:  ANT_THOMAS    26 Aug 2015 18:10 
 To:  koswix      419 of 542 
40898.419 In reply to 40898.418 
Thank you :$
+1/1
 Reply   Quote 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
 Reply   Quote 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.
0/0
 Reply   Quote 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
 Reply   Quote 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
0/0
 Reply   Quote 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.
0/0
 Reply   Quote 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).
0/0
 Reply   Quote 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.
0/0
 Reply   Quote 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
 Reply   Quote 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.
0/0
 Reply   Quote 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
 Reply   Quote More 

Reply to All  
 

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

Rate my interest:

Adjust text size : Smaller 10 Larger

Beehive Forum 1.5.2 |  FAQ |  Docs |  Support |  Donate! ©2002 - 2024 Project Beehive Forum

Forum Stats