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More infor on ColorPal sensor Hi, thanks for your advice. I admit to being way out of my depth. I put in the code to wait till the pin was high before proceeding but that just hung because the colorpal does pull the signal line high but if it is attached to an input pin its goes low (don't...

Hi, I am a Chemistry teacher learning PICAXE. My students and I are stumbling towards a soccer robot. I can issue serial commands to the Parallax ColorPal sensor and get it flashing various colours but I can't read the hex code coming back on the same line. How do I read a 3 digit hex on the...