Rostock Max v2 - Base 3 blue LED lights
thingiverse
Support for three 5mm blue LED lights that clip to every tower at the bottom (near heated bed) of SeeMeCNC Rostock Max v.2 (black color). Print Settings Printer Brand: SeeMeCNC Printer: Rostock MAX v2 Rafts: Yes Supports: Yes Resolution: 0.2mm Infill: 100% Notes: Material used: Black PLA Post-Printing How to build Follow the original instructions but: use three than four LED lights of 5mm diameter color of LED is blue (every LED needs a voltage of about 3.5V, and an inrush current of about 15mA) To light every blue LED (from positive) the resistance needed is: R = (Vin - Vnled) / Inled So with 12V DC: R = (12V - 3.5V) / 0.015A = 8.5 ohms Power drawn: P = Vin * Inled = 12V * 0.015A = 180mW To know how many LEDs can be lit by 12V: Nmax = int(Vin / Vnled) Nmax = int(12V / 3.5V) = int(3.42) = three blue LEDs In this case the resistance needed is: R = (12V - (3 * 3.5V)) / 0.015A = (12V - 10.5V) / 0.015A = 1.5 ohms Materials Needed 9 five-millimeter diameter blue LEDs (https://www.amazon.com/dp/B01CTK79ZC/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=WU6RX7B3U8AC&coliid=I1SUY93H52HO4A) Material to solder: Black and blue silicone-covered cable for 12V (26 AWG diameter)
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