Prusa MK2 MK3 Watch Dog Smoke Detector Fire Saftey Device R3

prusaprinters

<p>Prusa MK2 MK3 Watch Dog Smoke Detector Fire Saftey Device R3<br/> detects small smoke and cuts down power to prevent fire, sends you push notification over WIFI / internet .</p> <p>ATTENTION: HIGH VOLTAGE, DANGER 220V !<br/> Make only if you are confident in electronics, I dont take any responsability !<br/> Print it from PETG (felxibile enough, self extiungiushing material)</p> <p>Source code: <a href="https://github.com/birtalanelod/prusa_watchdog">https://github.com/birtalanelod/prusa_watchdog</a><br/> in action : <a href="https://www.youtube.com/watch?v=es5MKhtdTas">https://www.youtube.com/watch?v=es5MKhtdTas</a></p> <p>BOM:</p> <p>ESP D1 mini<br/> SHARP GP2Y1014AU0F<br/> Hi-link 5V ac-dc adapter<br/> 1 Channel 5V Relay Module for Arduino with Optocoupler<br/> 220V conncentor , cables<br/> Neopixel WS2810 LED</p> <p>Updtate:<br/> R3: easyer to be assembled but KNOWN ISSUE : note Z axis movemnt is reduced to 180mm, it will crash above this into sensor</p> <p>R4 : much smaller, 1 neopixel, no button , sensor moved to backside all 210mm z is available</p> <h3>Print instructions</h3><p>PETG 0.2 detail, 3 perimeters , 10mm brim for A , no suports, 35%, rectl infill or just use gcode</p>