Hi,
I am building a circuit where a Picaxe 20x2 sends serial using the sertxd command when one of 16 inputs go low.
Everything works, but the chip resets when input C.7 goes high again.
Pins C.0 to C.7 and B.0 to B.7 are held high by 4k7 resistors. A switch pulls these pins to earth via a 1k...