Filament Meter

thingiverse

Simply meassure your "remaining" filament before starting a print. If you want the PCB, I have for sale. just mail me: www.kjell@startsoft.no Arduino code: DO ADD # before the first 3 lines !!!!!!!!! include "avr/interrupt.h"; include Arduino.h include U8x8lib.h U8X8_SSD1306_128X64_NONAME_SW_I2C u8x8(/* clock=*/ 2, /* data=*/ 0, /* reset=*/ U8X8_PIN_NONE); // Digispark ATTiny85 int pulse=0; void setup(void) { u8x8.begin(); GIMSK = 0b00100000; // turns on pin change interrupts PCMSK = 0b00001000; // turn on interrupts on pins PB3 sei(); // enables interrupts } void loop(void) { u8x8.setFont(u8x8_font_victoriabold8_r); u8x8.drawString(1,2,"Reset and drag"); u8x8.setCursor(1,4); u8x8.print(" fillament "); u8x8.setCursor(2 ,6); u8x8.print("cm: "); u8x8.setCursor(8,6); u8x8.print(pulse/3.53); } ISR(PCINT0_vect) { pulse=pulse+1; }