Active cooling and arduino control: In this video we improve the cooling of the K40 laser cutter and monitor the water temperature and flow rate with an Arduino. BLOG: http://wayofwood/improved-cooling-for-the-k40-laser-cutter ======= Tools/Supplies Used: – Hose clamps: https://wayofwood/tool/hose-clamps/ – Radiator: https://wayofwood/tool/radiator/ – Silent Fan: https://wayofwood/tool/silent-fan/ – Temperature sensor: https://wayofwood/tool/temperature-sensor/ – Arduino Nano: https://wayofwood/tool/arduino-nano/ – OLED Display: […]