A machine that sparks every WIFI in a given rectangle. Old version: bottom to top and from left to right, new version: top to bottom and left to right. logo by Bens-things5000
The delay between columns had been eliminated. Now there's a direct loop between the base timer and it's reset, and a LITH-based counter that waits until the penultimate step (to compensate for delay) that interrupts the cycle.