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  • Arduino as Optical Drive Controller - BCA Barcodes, Text and Graphics on Data Side of CD/DVD/BD-R/4KUHD

    Hello Everyone, I sat down last night and was trying to figure out the mathematics on burning text to discs in different sizes based on 8x8 and 16x16 pixel character sizes, but once I got started, I kept increasing the pixel size per char to get an idea…

  • Weird issue with STM's LED2001 and PWM

    Hi All, I am working on a laser diode driver design using the LED2001 ic from STM for use with these little laser engraver kits we are seeing coming from places like Banggood.com and Gearbest.com. The reason for the design was to get better linear control…

  • Trying out my laser

    Santa brought me a laser for Christmas and I finally picked up the last piece of required safety equipment - a CO2 fire extinguisher. So, I finally get to give it a try . I have a SainSmart Genmitsu 3018 Pro CNC router that has provisions to swap the…

  • Laser for Christmas

    Santa brought me a low power laser module for Christmas . It is a 5.5W 445nm blue laser kit that is an accessory for my Genmitsu 3018 Pro CNC router https://www.amazon.com/gp/product/B07RV8TG18/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1 . I'm going…