I was testing the electronics and everything work fine for about a minute, then thermal shutdown of the drivers was confirmed by burning myself on the drivers!!! So I got these heat sinks.MakerHawk 10pcs 3D Printer... https://www.amazon.com/dp/B07MLL6LRX?ref=ppx_pop_mob_ap_share And this blower fan. Coolerguys 120x25mm Rear Exhaust... https://www.amazon.com/dp/B004K3BVQ0?ref=ppx_pop_mob_ap_share