machan, arduino kiyane pure microcontroller ekak... raspberry pi eka fully IoT device ekak... dekema computational power ekak tiyanava... but arduino hari raspberry pi dekenma karanna puluvan deval aseemithai... dekema capacity RAM valin venaskam tiyanava.. Interface eke unat e venaskama tiyanava... me device prototyping kuwata onama tanakata use karanna puluvan... arduino Uno R3 vage basic ekakata wifi shield ekak hari bluetooth ekak or ethernet sheild ekak, GSM GPRS module ekak plug karala ona deyak karagana puluvan..me device valin basically karanne out of computer, ehemat natnam psychically tiyana deval ekka ganudenu karana ekai. ex... ubata puluvan loke kohe hari idan unat geval pattata vahinavada kiyala balanna, temperature eka, natnam gedara fan eka dala gihillada vage deval... oya vage sulu deval vala idan air craft controlling dakvama oke subject eka patirenava... karanna puluvan deval decide venne ube creativity ekai usage eka mathai!!