- Step 1: Assemble the circuit as shown in the schematic given below. You can use the battery pack for powering driver circuit which I have mentioned in the components section or you could try out some other battery pack, but keep it mind it should deliver between 7-12V and atleast 3500mAh. Also, use different battery/battery-packs for powering Arduino and the Motor-Driver module, but ensure they share a common ground. Battery is one of the most important thing in this project !
- Step 2: Compile the code given below in the Arduino-IDE and hit upload, but before that make sure you have disconnected RX of Arduino from TX of Bluetooth Module (HC-05).
- Step 3: Install the application on your Android device through a link provided below.
- Step 4: Pair your Android device and HC-05 over Bluetooth. Now, open the app and click on Bluetooth-icon and select your device from the list.
- Step 5: Now you have gone through all the hard work ! Just sit back and relax and use the on-screen controls available on the app to control the car/bot. You could also change the schematic and code, and add some servos or other actuators to it. But keep it mind as you increase the quantity of actuators, your car/bot would demand more power from the battery/battery-pack.
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Undergrad Electronics Engineering Student at D.J Sanghvi C.O.E.-Mumbai
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