Hall Sensor test.

The Hall Sensor finally showed up from China, and I wasted no time in rigging up a redneck gizmo out of cardboard to test it: The Arduino is now reading the pulses from the Hall Sensor (rather than the pushbutton I was using before), and converting to MPH. All other values on the display are […]


Not sure what’s going on with my spinach, in the last week and a half, both of the seedlings have just keeled over. Shock from the transplanting, perhaps? I stuck some more seeds down in the grow media, and they are just starting to poke their leaves out, so there is hope yet. The Salad […]