Hi, basically,i am using a PIR sensor on an arduino and i wish to send the output(digitalWrite HIGH for TX pin on arduino) of the PIR to an Altera DE-70 board and light up the on-board LEDS(LEDG & LEDG1) through RS232 ( Cytron.io - Simplifying Digital Making ). I've found a site on "How to use the RS-…

PROBLEM interfacing ARDUINO with ALTERA DE2-70 board using RS232

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