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Unbelievable amount of code in the Github link. I want things simple. I have an Arduino setup coming, will test the system for ways to simplify things. My favorite gizmo is an optoisolator. Small signal on one side triggers the other side of a different circuit, different voltage, it doesn't...

The RC522 interfaces with the new 'Smart Rings', a new and upcoming tech. The ring can unlock your phone, front door, and heaven knows what next. Picaxe must catch up with this tech, or Arduino will leave it in the dust. I really don't want to have to learn Arduino tech, Picaxe is fine for me...

I'm using a 14m2 for a model railroad crossing. I am using mj5000 IR sensors, on input c.0 and c.4. c.0 does fine, senses the train quickly, starts the program. c.4 is slower, the train is gone with no signal. It passed over the sensor before the voltage on the output of the sensor changed...