This is the schematic of self stabilization platform . In this I have used Servo motor to stabilize the platform. The reference of the platform is initiated with the reading of Gyroscope Sensor (MPU-6050) and the motor is activated in opposite direction when the reference position is disturbed.

This file contains the schematic of Automatic Gararge Door Opener which is controlled with the help of HC-05 Bluetooth Module and Arduino UNO

This is the complete tutorial for the Alcohol Detection Device. This file is consists of  3-D model , Schematic , Code and Documentation