On board PCB traces, in the shape of a Hilbert curve, create the heating element used to heat beverages placed on the coaster, where [Wq] reports a measured resistance of the PCB trace network at ...

On board PCB traces, in the shape of a Hilbert curve, create the heating element used to heat beverages placed on the coaster, where [Wq] reports a measured resistance of the PCB trace network at ...

Now, I’m following my party guests around, coasters in hand, just daring them to set down a sweaty glass for more than a second, lest I tank the value of my newly acquired table. It follows ...