[Arduino] Build a Launch System with Arduino 7 segment (2 digit) timer and HC-06 INTRODUCTION Good Rocket needs good Launch System and Stand. Good Launch System should assure safety and stablity. That means whenever you find risks, should turn off system and solve that issues. So even though I pulled the trigger, I can turn it off with my bluetooth control. Building Rocket Launch System with Arduino Uno, 7 Segment 2 digit (Cathode Type), Buzzer, HC06 Bluetooth Module. Two 4... 이전 1 다음