i have bought PR20 DIY kit and read through the document PR20_DD.pdf
i have assemble all the component and recheck the polarity of led and diode b4 solder
im now having problem how to use this diy kit
for example i want to press sw2 on input board to light up the led2 on output board. this is not happening
for x-ctu, i configure accordingly as told in the document
can anyone please help me? thx in advance