INCREDIBLE ONLY 4W of 40W to make PCB with diode laser engraver

👉👉 Sculpfun 40w: 🎁 Coupon: TUSITIO3DFA9 Prize after coupon: 749€ 🔵 PRODUCTS SHOWN IN THIS VIDEO 🛒 LED ROSSI Kit: super luminosi: 🛒 LED BLU super luminosi: 🛒 KIT Diodi vari: 🛒 SET RESISTORI VARI: 🛒 SET Transostor vari: 🛒 PCB singola faccia rame scoperto: 🛒 INTEGRATO 16 pin cd 4017: 🛒 SET INTEGRATO 8 pin NE555: 🛒 SET ZOCCOLI INTEGRATO: 🔵 EQUIPMENT SHOWN IN VIDEO: 🛒 TAPPETINO in pvc 5 strati: 🛒 KIT 15 FRESE: 🛒 BOMBOLETTA SPRY vari colori: 🛒 ACIDO CLORURO FERRICO: ht