4-CH WiFi Relay

A 4 channel relay unit which is WiFi controlled through an on-board web server withe SPIFFS filesystem. I have just received my first boards from PCBWay barely 5 days after placing the order. The end result is very impressive with extremely good hole/pad registration and overall finish. The holes in some of the vias are not exactly dead center, but only on the top layer. The bottom layer is perfect. All component holes though are perfectly centered on the pads. All dimensions that I have checked are so good that I did not even have to refer back to the specified tolerances. The component overlay with my very small lettering (4 mil line, 24mil height characters) has resolved beautifully and is very readable. I used to have my own Quick-Turn PCB shop here in Australia in the 90's so I really do know what to look for. Great job PCBWay. I will definitely be ordering more boards from you in the future. Gerry Cohn ManIT Technology Sydney, Australia