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THE BOOK of DT's INTERRUPTS is an organization of interrupt service routines and other works written by Darrel Taylor, RIP.

Interrupt routines are arranged per Darrel's original list. Darrel Taylor's Instant Interrupts are an extension of the work of Tim Box whom in October of 2002 wrote INT_CTRL.pbp

Many of the forum members felt this is a long overdue project.

THE BOOK of DT's INTERRUPTS
will be a valuable resource and a tribute to Darrel Taylor the "Fanatical Contributor".

THE BOOK of DT's INTERRUPTS is located at http://dt.picbasic.co.uk/

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    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...
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    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...
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    273

    Re: pic18f87k40 Timer1 setting

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

    For read try 161 address
  5. Thread: USB Keyboard

    by aerostar
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    Re: USB Keyboard

    Did you find this in the forum ?

    http://www.picbasic.co.uk/forum/showthread.php?t=19695&highlight=USB+keyboard+emulation
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    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
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    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...
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    8,287

    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
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    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...
  10. 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
  11. 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...
  12. 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...
  13. 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...
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    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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    Re: MP3 DFPlayer Mini and PIC MCU

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

    ebay

    ...
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    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...
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    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...
  18. 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,...
  19. 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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    Re: A little HELP!!

    rows 1-9 as white squares while rows 10 and 11 are X's


    if temp1 =8 then WDATA = %0001011101100011 = white square
    if temp1 >=9 then WDATA = %0001011100100011 = X

    ...
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    Re: A little HELP!!

    I have looked at the BOB4 from decade.net and it looks like their version only does white text on incoming video.

    http://www.decadenet.com/bob4/bob4.html

    I believe the STV chip was really...
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    Re: A little HELP!!

    As far as I understand that data sheet statement, and of course I may be wrong, no colors over incoming video as well translucent unless you use RGB.

    Never tried this, plain white was fine for...
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    Re: A little HELP!!

    Data sheet says....

    Mixed mode : the device is line locked to the
    incoming CVBS signal. The text is superimposed
    over the CVBS input either in B&W or translucent.
    It may also be superimposed in...
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    Re: A little HELP!!

    Do not think you have done anything wrong. Have a look at the characters in the data sheet - 63H is 1100011
    WDATA = %0001000001100011 is what I used, so change it to anything you want.

    Try 77H...
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    Re: A little HELP!!

    Must admit, I did not know about RC Subs, sounds great. Loved the bit about the guy and his rocket and neighbour !
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