Sponsored by https://pcbway.com/ I designed and built some serial to usb adapters based on the CH340E converter chip. The PCBs turned out beautiful with matte green soldermask and immersion gold finish, check out the video for some close-up shots. →CH340E USB-Serial Converter Chip http://voltlog.com/y/rs1fe →CH340E Datasheet PDF http://voltlog.com/y/vdx1q →Support the channel by clicking these links Aliexpress http://voltlog.com/y/kr0sa Ebay http://voltlog.com/y/jzkfp Amazon.com http://voltlog.com/y/qw4d3 Banggood.com http://voltlog.com/y/o4025 →Support the channel via Patreon, Paypal or Bitcoin http://www.voltlog.com/donations →Blog Post http://www.voltlog.com/ #VoltLog #CH340E #USBSERIAL