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  1. Replies
    19
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    4,636

    Re: PCF8575 Does not work with my code....

    Meant to have said my code is for the 8 port version, the 16 port version would have another byte added after, as you have got.

    "The extra byte is write statement, as said in datasheet?"

    Your...
  2. Replies
    19
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    4,636

    Re: PCF8575 Does not work with my code....

    PBP handles the read write bit if I remember correctly, leave your 0 out

    this is my code

    ADDR=78 PORTBYTE IS VALUE FOR PORTBITS

    i2cwrite sda,scl,ADDR,PORTBYTE 'ENSURE ALL OFF ON POWER UP...
  3. Replies
    19
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    4,636

    Re: PCF8575 Does not work with my code....

    Possibly one of the address lines is dry joint so wrong address.

    Found this on forum which could be useful

    https://www.picbasic.co.uk/forum/showthread.php/20185-I2C-Ping-program
  4. Replies
    41
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    5,946

    Re: PBP3 download trial and purchase links

    https://melabs.com/
  5. Re: Going backwards, can't even get a basic blinky working now

    Why don't you get rid of the crystal and use the pic internal oscillator ? That should stop your hand capacitance causing problems on the crystal circuit.
  6. Re: MicroCode studio crashes while typing in code.

    What operating system ? Try installing in c:\ and not a c:\Program directory.
  7. Replies
    6
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    7,756

    Re: I2C LCD help needed

    Just becareful with lcds that have backpacks already attached, some do not have the SDA SCL pullups on board, hence may not work. I hooked up a lcd with backpack fitted and it would not work until...
  8. Replies
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    7,756

    Re: I2C LCD help needed

    Code is modified from Steve Earl have left his code but remmed out stuff I did not use.

    Biggest problem is getting the address correct.
    Picture is adapter used. (Ebay) LCDs with adapter attached...
  9. Replies
    2
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    1,697

    Re: pic18f87k40 Timer1 setting

    Have you defined temp as word ?- you do not show in your code.
  10. Re: Another attempt for I2C eeprom, this time - 25C256.

    For read try 161 address
  11. Thread: USB Keyboard

    by aerostar
    Replies
    19
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    14,061

    Re: USB Keyboard

    Did you find this in the forum ?

    http://www.picbasic.co.uk/forum/showthread.php?t=19695&highlight=USB+keyboard+emulation
  12. Replies
    10
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    12,954

    Re: Chip had no EE, should PBP3 know that?

    24LC series is a possibility and does not need battery backup.

    Serial EEPROM
    • More than 1 Million Erase/Write Cycles - if that is enough
    • Data Retention > 200 years
  13. Replies
    10
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    12,954

    Re: Chip had no EE, should PBP3 know that?

    This has according to https://www.microchip.com/wwwproducts/en/PIC16F15376

    Flash Program Memory with self read/write capability, so you could use space at the end of the flash program memory for...
  14. Replies
    10
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    12,953

    Re: Logical AND/OR/ Sequencing question

    OT

    Have you got your HTC dot matrix ? on your other posting http://www.picbasic.co.uk/forum/showthread.php?t=24178&p=146445#post146445
  15. Replies
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    14,763

    Re: USB to send ASCII characters to PC

    Do a search for USB keyboard emulator, there are a couple of threads - here is one http://www.picbasic.co.uk/forum/showthread.php?t=8291, once you get the keyboard working you can the take the data...
  16. Re: Anyone has any experience with HT1632C LED display drivers?

    Forgot to mention the Ebay item number for anyone interested (Other suppliers are available)


    eBay item number:
    401111914275
  17. Re: Anyone has any experience with HT1632C LED display drivers?

    Mine arrived 30mins ago Jan 16th about 10:00 UK time, - connector pins a bit bent, although packing was good. Here it is running with the code above

    https://youtu.be/52boY-4e4qc

    You will only...
  18. Re: Anyone has any experience with HT1632C LED display drivers?

    Here is test code - it just counts 0 - 9 in clock type format wth colon between 2nd and 3rd digit.
    eg 55:55 66:66 etc

    I have ordered a display module from Ebay - so will...
  19. Re: Anyone has any experience with HT1632C LED display drivers?

    Hi

    Have a look here http://www.picbasic.co.uk/forum/showthread.php?t=11871

    I played with Sure modules way back - late 2000s and used 2 modules to make a nice large clock and where the digits...
  20. Replies
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    29,535

    Re: Hersin quick question

    Change the gosub to a goto, as it stands the gosub code will continue on return to the endif and code that follows it, not what you want I think.
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    33,595

    Re: MP3 DFPlayer Mini and PIC MCU

    I have used this http://geekmatic.in.ua/pdf/Catalex_MP3_board.pdf

    ebay

    ...
  22. Replies
    11
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    50,128

    Re: Serial to WiFi Wifi to virtual com port

    This may be an answer https://www.itead.cc/wiki/ESP8266_Serial_WIFI_Module

    https://www.youtube.com/watch?v=x-mpltUzK5I

    Seems to be lot on youtube on these modules plus google for

    esp8266...
  23. Replies
    3
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    6,033

    Re: Rs232 Hex Char

    On Realterm - display tab - have you chosen Display as Hex + ASCII ?

    $04 is technically an unprintable character - it means "End of Transmission"

    https://www.ascii-code.com/

    Also it depends...
  24. Re: WTV020-SD-20SS SD Card U Disk Audio Player Interface

    The commands are easy - the pdf gives them, here are 3


    HSEROUT [$7E,$FF,$06,$03,$00,$00,MESSAGE,$EF] ' Plays file from sd card - eg if if button 5 is pushed then make variable MESSAGE =5,...
  25. Re: WTV020-SD-20SS SD Card U Disk Audio Player Interface

    I have used a number of different modules - the one I like is this http://geekmatic.in.ua/pdf/Catalex_MP3_board.pdf, I made a speaking clock connected to MSF receiver. (Can be done with GPS)

    You...
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