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Thread: OPEN sign

  1. #1
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    Default OPEN sign

    Hi

    I built a OPEN sign thinking maybe some day I will have a small supply store.
    The sign is made from a horrible PCB board but has awesome parts on it.
    When I have time I add a small code....one thing that saved me from the chips going weird is a while back
    Westaust55 told me to add caps close as a possible to the 74hc595 chips
    Now it works awesome like someone else built it ...

    here is small clip ..(I tried to add sound explaining stuff but my phone mic is so jammed with dirt ..I sounded like I was talking in a insulation bale)
    https://www.youtube.com/watch?v=HV3Sjh48nDg
    I used 92 green leds ...I put paper in front of them because it makes a better video
    what you see is 90 leds ....since I used 2 leds in series a few of them didn't line up right to match a letter...so instead trying to figure out the right brightness with
    a resistor/ single led I just added a few dummy leds behind the scenes

    Your friend
    Mark


    BTW ... if I am missing stuff on the board picture....I'm sure its underneath!


    UPDATE: added a code
    Code:
    #picaxe 20X2 'SIMPLE CODE FOR "OPEN" LED SIGN
    #NO_DATA
    'This code is for a controlling 90 LEDS that SPELL the word "OPEN"
    '1st led is started at the "O" and connected to 74hc595 first chip pin 1
    '46th (last) led is ended at the "N" and connected to 74hc595 sixth chip pin 6
    ' using 6 74hc595 chips 
     'pin b.5  = 595 chip pin 11
     'pin b.3  = 595 chip pin 12
     'pin b.4  = 595 chip pin 14 
     'why pins b.3 - b.5? because the lenght of the wires that reached picaxe :)
    setfreq m64
    let DIRSB = %00111000
    let DIRSC = %00000000
                '76543210
    
     Symbol   nbit        = B0    'B0
     Symbol   l4nbit      = B1    'B1    
     Symbol   LP1         = B2    'B2   LooP variable 
    'Symbol   ----        = B3    'B3   pause time 
    'Symbol   PT          = B4    'B4
     Symbol   PT          = w2    'B5   Pause Time 1
    'Symbol   PT1         = B6    'B6  
     Symbol   PT1         = W3    'B7   Pause Time 2  
    'Symbol   ----        = b8    'B8      
    'Symbol   ----        = b9    'B9    W4    
    'Symbol   ----       = b10   'B10     
    'Symbol   ----       = b11   'B11    W5    
    'Symbol   ----       = b12   'B12      
    'Symbol   ----       = b13   'B13    W6
    'Symbol   ----       = B14   'B14
    'Symbol   ----       = B15   'B15    W7
    'Symbol   ----       = B16   'B16
    'Symbol   ----       = B17   'B17    W8
    'Symbol   ----       = b18   'B18 
    'Symbol   ----       = b19   'b19    W9
    'Symbol   ----       = b20   'b20
    
    
    
     PT  = 5
     PT1 = 800
    
    DO
     TURN_OFF_ALL: ' turns off all leds 	
         FOR lp1 = 0 to 5 :nbit = %00000000 :gosub shift0 
          NEXT : gosub display : pause 1000 
    
     SCROLL_ON_O_to_N: ' scrolls leds ON from 1st to 46th in time  	
       for lp1 = 0 to 5:nbit = %11111111: gosub shift1 :next :pause PT1
      
     SCROLL_OFF_O_to_N:   ' scrolls leds OFF from 1st to 46th in time
      for lp1 = 0 to 5:nbit = %00000000: gosub shift1 :next :pause PT1
    
     TURN_ON_ALL: ' makes all leds on and paused for 1-2 seconds
       FOR lp1 = 0 to 5 :nbit = %11111111 :gosub shift0    
        NEXT :gosub display :Pause 20000
    
     O_OP_OPE_OPEN:  ' below code turns on each letter in time ...O...OP..OPE..OPEN
                     nbit = %00000000: gosub SHIFT0  :pause PT    
                     nbit = %00000000: gosub SHIFT0  :pause PT
                     nbit = %00000000: gosub SHIFT0  :pause PT
                     nbit = %00000000: gosub SHIFT0  :pause PT
                     nbit = %11000000: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT :gosub display: pause pt1 '-----O only on
                            '12345678
    				
                     nbit = %00000000: gosub SHIFT0  :pause PT    
                     nbit = %00000000: gosub SHIFT0  :pause PT
                     nbit = %00000000: gosub SHIFT0  :pause PT
                     nbit = %11110000: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT :gosub display: pause pt1 '-----OP only on
    		            '12345678 
    
                     nbit = %00000000: gosub SHIFT0  :pause PT    
                     nbit = %00000000: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT :gosub display: pause pt1 '-----OPE only on
    		            '12345678 
    
                     nbit = %11111100: gosub SHIFT0  :pause PT  ' <-- only has 46 pins used    
                     nbit = %11111111: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT
                     nbit = %11111111: gosub SHIFT0  :pause PT :gosub display: pause pt1 '-----OPEN  on
    		            '12345678		
    LOOP
    
    
    SHIFT0:
       low b.5                'low leg 11
        low b.3                 'low leg 12
         low b.4                 'low leg 14
     for l4nbit = 0 to 7 
     if bit0 = 0 then :low b.4:else:high b.4:endif
        high b.5:low b.5:nbit = nbit/2 :next    
    RETURN 
    DISPLAY:
        high b.3             
       low b.3
    RETURN
    SHIFT1:
       low b.5                'low leg 11
        low b.3                 'low leg 12
         low b.4                 'low leg 14   
     for l4nbit = 0 to 7 
     if bit0 = 0 then :low b.4:else:high b.4:endif
        high b.5:low b.5:nbit = nbit/2  
        high b.3             
       low b.3:pause PT1:next
    RETURN
    Attached Images Attached Images
    Last edited by newplumber; 17-01-2018 at 16:14. Reason: added little code

  2. #2
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    Default

    Looks good Mark. Now put your APA102 skills together with that and make a multi-color sign!

    PS. I know it takes a lot of work to get everything just right. Most of the times I cheat by creating a front panel or template with SketchUp (simple 3D drawing program) with all the holes lined up perfectly.
    - Tex
    __________________________________________________ _______________________
    These words are my opinion, WYLION. Any resemblance to truth or fiction is accidental at best.
    "Truth lies dormant in our future history." ― Tex Clodhopper LXVI
    "Confidence is ignorance. If you're feeling cocky, it's because there's something you don't know." ― Eoin Colfer, Artemis Fowl

  3. #3
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    Default

    I never used SketchUp ...what I used was Drawing Board...its always my friend and usually prints pretty close to scale
    then i simply just drilled out the holes on a drill press with high speed
    I have alot of RGB APA102s ...but saving/testing them for a store name sign which should be pretty cool

  4. #4
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    Default

    Quote Originally Posted by newplumber View Post
    ... I have alot of RGB APA102s ...but saving/testing them for a store name sign which should be pretty cool
    Looks like you have an potential array there of 9 x 9 dots by 4 characters (or more if you want to also say, "CLOSED".)

    Or you could just form the APA102 strips into curves and circles and string them out. Less than 100 RGB dots.
    - Tex
    __________________________________________________ _______________________
    These words are my opinion, WYLION. Any resemblance to truth or fiction is accidental at best.
    "Truth lies dormant in our future history." ― Tex Clodhopper LXVI
    "Confidence is ignorance. If you're feeling cocky, it's because there's something you don't know." ― Eoin Colfer, Artemis Fowl

  5. #5
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    Default

    yes true texas ...I thought about making both open/closed in the same box with RG leds (to much soldering for my attention span ) ...but with your idea with the apa102s seems to make more sense
    then I can go with any color... On a big sign I was thinking to make the letters wave across the board ...kinda hard to explain but have 12-18 rows of strips per letter going horizontal
    then scrolling bright/dim/bright/dim etc .... from my tests it does seem to be waving and looks cool on the bench

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