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  1. Replies
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    Re: Time limit while waiting for input ?

    Richard, you're awesome ! thanks very much !

    This morning is the first chance I've had to try it without constant interruption. I must have done something a little different because it wouldn't...
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    Re: Time limit while waiting for input ?

    Hi Richard,

    I've been studying your code, (again) I haven't tried to compile the items added in red below as I'm on a different PC right now. I just posted a small part of it for learning.

    Can...
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    Time limit while waiting for input ?

    I'm using a 16F628A to control a DC motor, also using hall effect sensors as limit switches. All working fine however I'm concerned that if one of the hall sensors should fail the motor will keep...
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    Re: Please look over my code

    UPDATE:

    First, thanks for posting all that additional code too Richard. I've saved your 2nd code as "Richard's Gate Controller" on my programming PC and it is running my gate.

    On to my...
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    Re: Please look over my code

    Richard,

    I loaded your code, I only had to change one thing...

    Check4Button:
    if btn=0 then 'had to change =0 to =1

    And it works great ! I like the flashing LED while the gate is...
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    Re: Please look over my code

    Thanks Dwight, I've always used (') to comment out notes and have used (<>= NOT) but I do now see these in the manual, I just never noticed them before. Good to know, always learning.



    The PCB...
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    Re: Please look over my code

    WOW! Thanks for all your help and work Richard!

    I'll study it and try it out. I should have done a "block flow" for what I want to happen...



    The movement is controlled only by timing, I...
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    Re: turning Motor left & right using pic Help plz

    I've used this basic circuit for DC motor directional control. But along with what Henrik said, relays probably aren't the best choice for hundreds of times over and over.

    HTH
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    Please look over my code

    I'm using a 12F675 with 4mhz ceramic osc to control my homebuilt gate opener. I'm activating it with a wireless digital remote unit that has it's own relay, when signal is rx'd the relay simply...
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    Re: Using multiple SLEEP for long delays ?

    Great, thanks very much guys ! I'll do a FOR/NEXT routine.
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    Using multiple SLEEP for long delays ?

    I recently built a gate opener and programmed a 12F675 to control it via wireless remote. I have a 12v Sealed Lead Acid battery as power,

    I've looked at many, many float charger circuits and...
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    Re: Proximity sensor for dog door ?

    I did testing of the Honeywell SS441 on the bench and max range is only about 1 inch. And that's with very strong neo magnets so I'll order some hmc1001's.

    And I'm still looking for RFID units...
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    Re: Proximity sensor for dog door ?

    I actually never thought of that ! Good idea but, I'm trying to train him for several basic things and he's learning great. I really want to do this PIC based though.




    Thanks for testing it...
  14. Replies
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    Re: Proximity sensor for dog door ?

    Thanks for the replies ! I have made hall effect sensors for my CNC router, I think I used SS441's and they work great and reliable. However, I don't know what kind of range I can get from them. I...
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    Proximity sensor for dog door ?

    I'm planning to make a PIC controlled automatic dog door for my Bernese Mountain Dog puppy, I've looked at the commercially available doors and they have many reviews indicating that they don't last...
  16. Thread: rentron ?

    by Sam
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    33,562

    rentron ?

    I just went to rentron.com and it seems to be gone. Is it temporary or gone for good ?
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    Re: Use a pot to adjust COUNT value

    Henrik, you are correct ! I had it close and didn't even realize it. The code below seems to work exactly like I want it to. Just need to add an output for a relay now.

    I've been wanting to learn...
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    Re: Use a pot to adjust COUNT value

    I started off with trying to use PULSIN, it worked but very strangely and I couldn't get it to adjust properly, COUNT works absolutely perfect for this application.

    I want the pot to be able to...
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    Use a pot to adjust COUNT value

    I've been away from programming for a while now and need a little help if you will. I have a 40 watt CO2 laser cutter/engraver that requires water flow to keep the tube cool, the flow is provided by...
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    Hey Dave, Thank you very much, that...

    Hey Dave,

    Thank you very much, that multiplexing completely solved my issue ! I never thought about doing it like that but once you see it (tip 2) it makes perfect sense. It's just what I needed...
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    Well that's very impressive that your 7 year old...

    Well that's very impressive that your 7 year old did some of the the work and the code ! And it's a very nice project, but it's not practical for my project as it must be on a 1" diameter single...
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    Hi Dave, I figure (?) you're talking about tip...

    Hi Dave,

    I figure (?) you're talking about tip 2 I/O multiplexing ? That may just work for my application. I'll take a close look at it now, it however means redesigning my PCB and changing the...
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    The simple answer to that is, control 6 LED's...

    The simple answer to that is, control 6 LED's separately with only a 8 pin DIP package.
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    8 pin DIP w/6 outputs ?

    I have been searching Microchip.com and haven't found any 8 pin DIP PIC's with 6 output. The MCLR is always an input only, which I basically understand but is there any model with 6 outputs.
    ...
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    Yeah, I fixed that too. I copied and pasted those...

    Yeah, I fixed that too. I copied and pasted those last two sections then changed them and that's where I really started screwing up. I'll read my own stuff a LOT closer after this ordeal.

    I did...
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