Cartridge play time counter
thingiverse
Hi, I designed a counter to track the total playing time of a vinyl player cartridge. You can repurpose it by swapping out the photo sensor for a closing contact. The display is attached to the Nano using a thin layer of gel tape, measuring 1.5 millimeters. https://create.arduino.cc/projecthub/juha_j/cartridge-playing-time-counter-27caaf https://youtu.be/ARFs_mmsWuM Here are the parts I used: Arduino Nano rev3 128x32 OLED display (I2C) Two 10k resistors One 47 Ohm resistor A momentary switch A six-pin JST connector with a minimum of three pins for photo gate functionality Transmissive Optical Sensor (TCST 2000)
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