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  • 16x128 display showing Date, Time, Temp, Humidity

    I have built this display on a breadboard to test it out and I have twoproblems.1 is that while I have two 64x16 display boards connected together with thecable supplied, everything is being displayed on only the first display board.2 The display is in reversed text. (the entire display is lit and the textis unlit.)Anyone have any ideas as to why? Also, is there a way to change the temperature to display in Celsius ratherthan Fahrenheit?Thanks for any help.

    I have built this display on a breadboard to test it out and I have two problems.1 is that while I have two 64x16 display boards connected together with the cable supplied, everything is being displayed on only the first display board.2 The display is in reversed text. (the entire display is lit and the text is unlit.)Anyone have any ideas as to why? Thanks for any help.

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  • 16x128 display showing Date, Time, Temp, Humidity

    I downloaded your code but it won't compile. I have the DS3232RTC, Time, DHT, EEPROM and Wire libraries installed so I don't think that is the problem. The Arduino IDE is not giving me any line numbers where the error might exist. I just get an error message that says:exit status 1error compiling for board Arduino/Genuino Uno.Any suggestions as to why it won't compile?Thanks

    I downloaded the code but it won't compile. I have the wire library and the EEPROM library so I don't think that is the problem. The IDE does not give me any line numbers to locate where the error is. All I get is the message: "exit status 1. Error compiling for board Arduino/Genuino Uno."Any suggestions as to why?

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  • ve3joc commented on ve3joc's forum topic How do I enable Auto Renew?3 months ago

    I have a premium membership that is coming up for renewal this month but in my profile it shows auto renewal as being 'OFF'.

    I checked out Paypal and it cannot be reset there so I guess I'll have to take the manual route.Thanks.

    Ok, Thanks. I'll check Paypal and see if I can turn it on there.Thanks again.

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  • ve3joc posted a forum topic How do I enable Auto Renew?3 months ago
  • How to build your own LED Color Organ || Arduino || MSGEQ7

    Where would you put a potentiometer to adjust the sensitivity for the LEDs?

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  • ve3joc commented on Tustin High T-Tech's instructable 64x16 RED LED Marquee8 months ago
    64x16 RED LED Marquee

    Sorry JoshS138. I never got a response to my question.

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  • ve3joc commented on lmaywald's instructable LED-matrix on a budget8 months ago
    LED-matrix on a budget

    Looks Great! Can you tell me where you found the WS2812 LEDs? I have looked on eBay and all I see are Strip Tape type WS2812 LEDs. Could you perhaps post a picture of one of these LEDs so I know exactly what I am looking for? Very much appreciated. Thanks.

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  • ve3joc commented on Cello62's instructable My Arduino Binary Clock8 months ago
    My Arduino Binary Clock

    I built your clock and it worked perfectly.Then I decided to build another one only thistime displaying seconds as well as minutes and hours. It work perfectly as far as the time goes butit has one problem that I can’t figure out for the life of me. Maybe someone here who has built this clockmight have an idea.Here’s the problem. Iam using standard 5mm diffused LEDs.The LEDsfor the hours and minutes work fine. Forthe seconds, from 1 second up to 10 seconds, the LEDs light normally but whenit gets to 20 seconds, that LED lights but is quite dull. Whenit gets to 30 seconds both the 10second and the 20 second LEDs lightnormally. When it gets to 40 seconds,again, that LED is quite dull but once it gets to 50 seconds, the 10 second andthe 40 second LEDs both light normally.All o...see more »I built your clock and it worked perfectly.Then I decided to build another one only thistime displaying seconds as well as minutes and hours. It work perfectly as far as the time goes butit has one problem that I can’t figure out for the life of me. Maybe someone here who has built this clockmight have an idea.Here’s the problem. Iam using standard 5mm diffused LEDs.The LEDsfor the hours and minutes work fine. Forthe seconds, from 1 second up to 10 seconds, the LEDs light normally but whenit gets to 20 seconds, that LED lights but is quite dull. Whenit gets to 30 seconds both the 10second and the 20 second LEDs lightnormally. When it gets to 40 seconds,again, that LED is quite dull but once it gets to 50 seconds, the 10 second andthe 40 second LEDs both light normally.All of the resistors are the same at 220 ohm.Anyone have any ideas as to what might causethis problem?

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  • ve3joc commented on Tustin High T-Tech's instructable 64x16 RED LED Marquee8 months ago
    64x16 RED LED Marquee

    I have the identical matrix board as you are using but I need some clarification on the pin connections to the Arduino UNO. Looking at the matrix board from the back, there is a set of 16 pins, (two rows of 8 pins), which is shown as "OUTPUT". Each of these pins are marked with LA, LB, LC, LD, etc. On the left side of the matrix board there is an identical set of 16 pins shown as "INPUT" which is what you have used to hook the matrix to the Arduino. These pins are not marked at all so I am just guessing that they are identical to the "OUTPUT" pins. Is this correct? I am assuming that SK=12; means pin SK connects to pin 12 on the Arduino. I tried hooking it up this way but all I get is 4 LEDs at the very top left corner of the matrix to light up. I woul...see more »I have the identical matrix board as you are using but I need some clarification on the pin connections to the Arduino UNO. Looking at the matrix board from the back, there is a set of 16 pins, (two rows of 8 pins), which is shown as "OUTPUT". Each of these pins are marked with LA, LB, LC, LD, etc. On the left side of the matrix board there is an identical set of 16 pins shown as "INPUT" which is what you have used to hook the matrix to the Arduino. These pins are not marked at all so I am just guessing that they are identical to the "OUTPUT" pins. Is this correct? I am assuming that SK=12; means pin SK connects to pin 12 on the Arduino. I tried hooking it up this way but all I get is 4 LEDs at the very top left corner of the matrix to light up. I would really appreciate some clarification on the pin connections. - Thanks.

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  • ve3joc followed Arduino channel 8 months ago
  • ve3joc commented on Cello62's instructable My Arduino Binary Clock8 months ago
    My Arduino Binary Clock

    At the top of your code you have declared the variables int valm=0 and int valh=0.When I try to compile the code I get an error saying:exit status 1 'valm' does not name a type. I'm new to C# and C++ so could you give me a hint as to why this error might occur?Thanks

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  • ve3joc followed Arduino channel 9 months ago
  • How to program Arduino Pro Mini using Arduino Uno and ArduShield - without the cables

    Looks good and sounds good but I can't find any place on the internet where this shield can be purchased. Any suggestions?

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  • ve3joc followed Arduino channel 9 months ago
  • ve3joc commented on Clapoti's instructable Arduino Binary Clock9 months ago
    Arduino Binary Clock

    Thank you for the quick reply. I will give it a try and see how it goes. Thanks again for sharing.

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  • ve3joc commented on Clapoti's instructable Arduino Binary Clock9 months ago
    Arduino Binary Clock

    Nice job for sure! Will your code work on a Arduino Mega? I have everything I need to build it except I have the Mega 2560 rather than the UNO.Thanks

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  • ve3joc commented on Cello62's instructable My Arduino Binary Clock9 months ago
    My Arduino Binary Clock

    I love the look of your clock and I am preparing to buildit. Although I have purchased all of theparts, I am currently working on a breadboard before actually making thefinished product.While I am new to all of this, I think I have 99% of itfigured out but where I am having a problem is with the switches to set thetime.It does not show the switches inthe schematic. It says in the instructable “When the buttons are positionedsolder the wires as explained in the previous step.” but in the previous stepall I see is “Solder only the strips those that correspond exactly to the pinswe're going to use: Pin0 to Pin13- Analog 0-4-5- 5v- GND”.I guess I am missing something here.Can you show me on the schematic exactly where theseswitches need to be hooked up?Much appreciated.

    I love the look of your clock and I am preparing to build it. Although I have purchased all of the parts, I am currently working on a breadboard before actually making thefinished product. While I am new to all of this, I think I have 99% of itfigured out but where I am having a problem is with the switches to set thetime.It does not show the switches in the schematic. It says in the instructable “When the buttons are positioned solder the wires as explained in the previous step.” but in the previous step all I see is “Solder only the strips those that correspond exactly to the pins we're going to use: Pin0 to Pin13- Analog 0-4-5- 5v- GND”.I guess I am missing something here.Can you show me on the schematic exactly where these switches need to be hooked up?Much a...see more »I love the look of your clock and I am preparing to build it. Although I have purchased all of the parts, I am currently working on a breadboard before actually making thefinished product. While I am new to all of this, I think I have 99% of itfigured out but where I am having a problem is with the switches to set thetime.It does not show the switches in the schematic. It says in the instructable “When the buttons are positioned solder the wires as explained in the previous step.” but in the previous step all I see is “Solder only the strips those that correspond exactly to the pins we're going to use: Pin0 to Pin13- Analog 0-4-5- 5v- GND”.I guess I am missing something here.Can you show me on the schematic exactly where these switches need to be hooked up?Much appreciated.

    View Instructable »