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Upppps, sorry, all stop :-) Have found the error. Wrong Pin for Data!
Hi Adamnice work! Would do the same for my 4yo son. But something goes wrong. The Display never light up :-( If i push the +-Button and the "Start"-Button it beeps after some seconds. But i can't see anything on the Display. If i test the Display with the TM1637Test-Sketch from the library it works as expectet.Thank you, for your help.Daniel
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Ultrasound Tank Level Meter