Tiny 2-minute Delay by TSM
Three tiny loops and some gates make the same delay as that enormous spira! SPARK IT ONLY ONCE! It's not science if the wires aren't red-hot!
electronic
debugging
logic
timer
spark
Comments
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TSM 27th Jun 2011
It uses ARAY, WIFI, and switches. The outermost loop triggers one ray per loop. The innermost two loops open and close switches as they pass 'go', blocking and unblocking the ray. Only when they all line up does the ray make it through both switches. This happens every 2.5 minutes or so.