Automatic Counting Device Using Calculator | How To make Auto Counting Machine | Easy Auto Counter In this video I am going to show you making process of automatic counting device using calculator. Things needed Calculator LDR Soldering iron Glue Cardboard If you like and enjoyed this video, please like comment and share this with your friends. To stay updated please SUBSCRIBE to my channel by hitting that red button near the channel icon. #autocounter #countingdevice #howtomakeautocounter #coilturncounter #prakashgaire #dearhammer ……………………………………………………………………………………………