Free PCB the other way around

Last week Sjaak got a free PCB and a small SMD antenna from a user called Claude on the esp8266.com forum . Claude made the board using Dirtypcbs.com. As Sjaak is a huge fan of QFN chips he went straight to his mancave and started to assemble the board. Close-up of the soldered QFN chip under a USB microscope. There were […]