guys help nmn po for thesis....need k n lng po kase isang code sa arduino and gsm kase po 2 po gamit nmen na relay, relay 1 and 2 pag tinext po nmen ung 1 mag on and then pag tinext n rin ung 2 na mag on, mag oon sya ang problema po nmen pag tinext n ng state.... isa lng lumalabas which is ung 1 ung 2 is di nag state kung naka on or off, sino po marunong sa programming sana po may makatulog salamat po