TM1637

[dim78]

has anyone work on TM1637 display with a 18f4550 or a other microchip model ?? a simple code for it with oshonsoft language??

 

[DogFlu66]

Removing the capacitors does not work, I tried increasing or decreasing times and I couldn't get it to work. When I put the capacitors back in worked again. It might be a lot of noise around here, I don't know. I also don't have capacitors of this size at home to test with other capacities.

Check several times that you removed the correct capacitors and verify that the lines were not bypassed by excess tin.

 

[DogFlu66]

I ordered this one through Amazon Europe, it is more expensive but takes less time, I hope the specifications are correct.

https://www.amazon.es/gp/product/B0CBLVSDTV/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

 

[Nigel Goodwin]

Removing the capacitors does not work, I tried increasing or decreasing times and I couldn't get it to work. When I replaced the igniters it worked again. It might be a lot of noise around here, I don't know. I also don't have capacitors of this size at home to test with other capacities.

Check several times that you removed the correct capacitors and verify that the lines were not bypassed by excess tin.

What are 'igniters'?.

 

[DogFlu66]

Edit the thread, some problem with the copy/paste.

 

[For The Popcorn]

A typo.

 

[DogFlu66]

On the second attempt, the module arrived, but it didn't work, so I have to see what variants it has.

 

[DogFlu66]

At the moment I can't find the problem, only the brightness works for me, and it always shows all the illuminated segments.

 

[Nigel Goodwin]

At the moment I can't find the problem, only the brightness works for me, and it always shows all the illuminated segments.

How are you trying to drive them?, bear in mind they are NOT standard I2C.

 

[DogFlu66]

I changed threads by mistake.
Here you can download the library to see it.
We continue better for the other.

Library to work with displays based on TM1637 (Oshonsoft Pic Basic Compiler).

I am attaching the library to work with the TM1637 based on the library written in C from the datasheets. I have had several problems because the displays with TM1637 do not all work at the same speed and this is not taken into account in the examples in the datasheets. There is also a big...

www.electro-tech-online.com

 

[ZipZapOuch]

They are not normally needed anyway.

Sounds like the OP has abnormal displays...

Removing the capacitors does not work,

 

[MaxHeadRoom78]

I am just implementing one version, but using a Pic Assembly for the 2wire I2c like com's..
Have you looked at some of the available links to other attempts.?
They show either C+, Arduino or assembly code, but the text may help.
There are a few versions and digit sizes out there.
All appear to allude to removing the too large a value caps on the two signal lines.
They require LSBit first rather than the usual, most significant first.

https://www.circuitbread.com/tutorials/digital-thermometer-part-16-microcontroller-basics-pic10f200

Controlling a TM1637 with a PIC16F18325 | Picprojects

www.picprojects.org

Interfacing controllers with TM1637 - iCircuit

TM1637 is an inexpensive LED driver come keypad scanner. There are many 4 digit 7 segment displays in market that uses TM1637 LED driver. It can driver upto 48 LEDs (8 * 6 config) and can scan 16 keys (8 * 2 config). It has simple two wire communication protocol (clock and data lines), any […]

icircuit.net

 

[DogFlu66]

Thanks for your time:
- But I have had the 4-digit tm1637 display working for a long time.

- Regarding the capacitors of the CLK and DIO lines, when I removed them, they stopped working, this does not make sense, I just made sure that the removal of the capacitors was correct and I did not make any mistakes, but I have not continued testing.

We continue the thread better here:

Library to work with displays based on TM1637 (Oshonsoft Pic Basic Compiler).

I am attaching the library to work with the TM1637 based on the library written in C from the datasheets. I have had several problems because the displays with TM1637 do not all work at the same speed and this is not taken into account in the examples in the datasheets. There is also a big...

www.electro-tech-online.com