Bluetooth control of Imagina 3dBot Arduino

It always receives 2 bytes: Letter + number:
- Letter: Movement to be made or output to activate ("LEDs, ...") -> Instruction
- Number: Speed of the motors or power of the LEDs -> Power (0.255)

Once the statement is executed it returns the two bytes via bluetooth

Pins motors:
- Left Motor: 7 and 8 Direction, 9 Speed
- Right Motor: 12 and 13 Direction, 10 Speed

Input/Output Signals:
Motors
- U Moving forward
- D Moving back
- L left turn
- R Right turn
- C Stop engines

LEDs:
- V active Red LED
- G active Yellow LED
- E active Green LED
- v Stop Red LED
- g Stop Yellow LED
- e Stop Green LED

Others
- Z Emitter IR Code
- z Emitter IR #bits
- b buzzer tone

Sensors:
- Z Activates the process of reading the values of the sensors
- S Ultrasonic distance sensor
- M Sensor LDR Light Sensor
- T NTC Temperature Sensor
- X Left Line Follower
- Y Right Line Follower
- P push button
- I IR receiver
- A Analog A1 Entry