“Wi-fi Controlled Robot car Using NodeMcu “
The Wi-fi Controlled Robot Car using NodeMcu is controlled from a smartphone through Wifi as Nodemcu has built-in wifi that can easily connect with our Smartphone and can control the Robot using wi-fi. NodeMcu has a high range and can work almost up to 1km. This is affordable as well as easy to use.
You can make your Wi-fi Controlled Robot by following the steps below.
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Components Required for Wi-fi Control Robot Car;
- NodeMcu—————————-> Click here for buy online.
- dc motors—————————->For Dc motors you can buy it from here.
- Acrylic sheets———————–>buy from here.
- Wheels——————————->you can buy it from this link.
- Motor shield L298——————>here is a link.
Circuit Diagram ;
Working of Wifi controlled Robot
As NodeMcu has built-in wifi, at first find out its IP address as it can easily be found through google.
In case if you fail to out the IP address comment below we will help.
Step By Step Procedure
Step 1:
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drill it |
Step 2:
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dc motor |
Now soldering the given Dc motors as shown below.
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soldering dc motor |
Make sure that for Robot, at least four Dc motors are needed, and all of the motors should be solder precisely the same way as shown below.
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soldering all four dc motors |
Step 3:
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glue here for motors |
Fix all the four motors as shown in the figure below.
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fix all motors |
Now wire up accordingly to the circuit diagram, each cable must be exactly the same as won’t work as shown in the figure, red to the red wire, green to green wire shown.
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wiring motors |
Now attach the Tires.
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Attaching tires |
Step 4:
After placing tires, Wifi Controlled Robot will look like this as shown below.
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Structure of wifi control |
Now wire up the L298n Motor shield according to the figure, make sure to do precisely the same as shown in the picture.
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motor shield L298n |
Connect the wires according to the circuit below.
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wiring the motor sheild |
Then place the NodeMcu, as shown below.
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placing NodeMcu |
Step 5:
Install the Code in NodeMcu makes sure to select the NodeMcu from the list, otherwise, it won’t work. Download the code from this link Click this to download.
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installing code |
Now connect the battery shield to the Robot as shown in the figure below.
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adding battery shield |
Add two batteries or you can add according to your choice connect them in parallel as shown below.
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adding battery pack |
Step 6:
Step 7:
After the installation in the android Smartphone now, connect the robot to the wifi as shown in the figure.
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connecting wifi |
Make sure to install the APK in step 6. Now set the IP address as in the picture shown.
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setting IP address |
It’s done now Test it :).
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testing the device |
For any help comment below
About Author
fatima khan
A brand new writer in the fields, Fatima has been taken under my electric spark’s RGB- rich and ensures she doesn’t engage in excessive snark on the website. It’s unclear what command and Conquer are; however, she can talk for hours about the odd rhythm games, hardware, product reviews, and MMOs that were popular in the 2000s. Fatima has been creating various announcements, previews, and other content while here, but particularly enjoys writing regarding Products’ latest news in the market she’s currently addicted to. She is likely talking to an additional blogger with her current obsession right now.
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