Hi all, I have a TM1637 module and try to display the colon but without succes. An ATtiny85 reads out two different NTC thermistors. I would like the display to show 0 or 1 ( to know which temp is shown), then an empty space or an H when a temp goes over an upper limit, then the temperature as an…

You need to set the MSB (most significant bit) of the character pattern to 1 to display the colon (this will only work when the character is on the 2nd LED digit from the left). void loop() { display.setBrightness(0x0f); byte activePin = 1; byte charH[] = {SEG_B | SEG_C | SEG_E | SEG_F | SEG_…

TM1637 colon problem

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anon57585045 October 10, 2021, 11:17am 12

I suggest looking more closely at the module to see if there are decimal points as well as a colon. Every TM1637 display I've ever seen, had both.

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TM1637 colon problem

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