Introduction: SIMPLE CARBOT || ARDUINO || BLUETOOTH CONTROL || TUTORIAL
IN THIS INSTRUCTABLE I WILL SHOW HOW TO MAKE A SIMPLE BOT THAT IS CONTROLLED BY YOUR SMARTPHONE VIA BLUETOOTH
PARTS NEEDED:
☻ARDUINO
☻2X GEAR MOTORS
☻HC-05 BLUETOOTH MODULE
☻LAPTOP OR PC (FOR UPLOADING CODE TO ARDUINO
☻POWER SUPPLY ( I USED A POWER BANK TO SAVE BATTERIES)
☻JUMPER WIRES
☻WHEELS
☻CHASSIS (CAR BODY)
Step 1: PREPARE THE WHEELS
I JOINED TWO WHEELS TOGETHER TO MAKE A WIDE WHEEL AS SHOWN IN ORDER TO GAIN MORE STABILITY
FOR EXTRA STABILITY I USED SUPER GLUE AND REMOVED EXTRA GLUE USING ACETONE
Step 2: FIX THE MOTORS TO THE CHASSIS(CAR BODY)
FIRST SOLDER TWO JUMPER WIRES TO EACH OF THE MOTORS AS SHOWN
NEXT, FIX THE MOTORS TO THE CHASSIS USING BOLT .
Step 3: ATTACH THE WHEELS TO THE MOTORS
PRESS AND TWIST A LITTLE TO ATTACH TO THE WHEELS TO THE MOTOR
Step 4: WIRE UP THE MOTORS TO THE MOTOR DRIVER
JOIN THE 4 WIRES FROM THE MOTOR TO EACH OF THE 4 OUTPUT OF THE MOTOR DRIVER.
Step 5: CONNECT MOTOR DRIVER TO ARDUINO
CONNECT EACH OF THE 4 INPUT OF THE MOTOR DRIVER TO PIN 8,9,10,11 RESPECTIVELY OF TH E ARDUINO UNO
Step 6: POWER SUPPLY FOR MOTORS
I USED A USB TO SUPPLY POWER TO MY BOT
SIMPLY STRIP OF THE FREE END OF THE USB AND REMOVE THE INSULATION TO REVEAL 4 WIRES.
KEEP BLACK AND RED WIRES AND CUT OF THE OTHER TWO WIRES.
JOIN RED TO + AND BLACK TO NEGATIVE OF THE MOTOR DRIVER POWER SUPPLY.
Step 7: CONNECT BLUETOOTH
CONNECT THE BLUETOOTH DEVICE HC-05 TO THE ARDUINO:
connect rx of bluetooth to tx of arduino
connect tx of bluetooth to rx of arduino
vcc to +5v
gnd to gnd
Step 8: UPLOAD THE CODE
OPEN THE CODE WITH THE BELOW LINK AND UPLOAD TO THE ARDUINO
LINK:https://drive.google.com/open?id=1LFiq5kcdtwzrAfNUjZtbnxqNwQx4e9pM
NOTE: REMOVE THE TX AND R PIN OF BLUETOOTH BEFORE UPLOADING THE CODE
Step 9: BLUETOOTH APP
☻Download Arduino Bluetooth controller from play store
☻click onconnect and select yourbluetooth device.
☻open the controller mode and click on set commands from the side menu
☻Set the values as
up-1
down-2
left-3
right-4
NOTE: YOU MAY NEED TO DO A LITTLE TRIAL AND ERROR AND CHANGE THE CONFIGURATION OF THE CODE OR MOTORS A LITTLE IN ORDER TO GET THE DESIRED OUTCOME
Step 10: CONGRATS!!
YOU JUST FINISHED MAKING THE BOT
NOW YOU CAN CONTROL THE BOT FROM YOUR PHONE.
NOTE: YOU CAN ALSO USE 9V BATTERIES TO SUPPLY POWER TO MOTOR DRIVER AND AVOID USING A POWER BANK