Round black circuit board coaster with gold traces and a circular footprint in the middle labelled U1 · MUG and Place cup here, with a small heron in one corner

PCB Coaster

A real circuit board, black solder mask and gold finish, laid out like one of ours. The mug is component U1.

Size
95mm round
From
Both sides of Aeron
Item code
AER-PCB-COASTER

Why it's true.

Made the way circuit boards are: fibreglass, black solder mask, gold-finished copper. The footprint in the middle is for component U1, which is the mug. Maximum 95°C.