[Swlug] LED drivers (Alan Gray)

[Rhys Sage]

Thanks Alan, that's interesting. I had seen that library but hadn't tried it. I'll have to try it over the weekend.

Looking at the article, it says:

"To display a digit, the TM1637 must receive 0x40 first (command 1) then a 0xCX (command 2) where X is the position indicating which display to use. For example, if a digit is to be on the 3rd display, then the second command should be 0xC2. The next byte is the encoded value of whatever character you want to display. Finally, the last byte is 0x8Y (command 3) where Y is the 4-bit brightness of the display."

That, to me, looks as though there's a more complex microcontroller inside the TM1637 chip than I had thought possible. 

I just looked at the C++ code for the library and printed it out. I'll have a scan through it maybe tomorrow. What puzzles me though is how to import the code into the Arduino IDE as a library that I can use repeatedly. I'll also have to work out a Python version for the Pi Pico.

At the moment my current project seems to be completing building a coil gun ready for use with a 3D gimbal, sonic rangefinder and to use it to defend my tabletop from some invading plastic soldiers attempting to steal my cup of tea. That's for a YouTube video, of course.

Rhys Sage






On Wednesday, 27 November 2024 at 08:47:39 GMT-5, swlug-request at mailman.lug.org.uk <swlug-request at mailman.lug.org.uk> wrote: 





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Today's Topics:

  1. Re: LED drivers (Alan Gray)
Have a look at <https://www.teachmemicro.com/how-to-use-tm1637-seven-segment-display/>

The info is useful, but beware the ads!

Regards
Alan Gray
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