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Raspberry Pi Pico
Stage 3: Bluetooth-Controlled Robot
Drive your robot from your phone over Bluetooth, using a Raspberry Pi Pico and HC-05 module.
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₹4,999
₹5,799
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12+Age group
1Projects
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About this kit
Program a Raspberry Pi Pico to drive a 4-motor chassis over Bluetooth using an HC-05 module and UART serial commands. Control the robot from a free companion Android app -- forward, backward, left, right, and stop, all sent wirelessly from your phone.
What you'll build
4 hands-on builds included with this kit
1
Motor driver wiring
Wire all 4 BO motors to the L298N driver board so the Pico can control direction and speed for each side.
2
Bluetooth link
Connect the HC-05 module to the Pico's UART pins and pair it with a phone over Bluetooth.
3
Command parser
Write the MicroPython script that reads incoming Bluetooth bytes and maps them to motor functions.
4
App-controlled robot
Install the companion Android app and drive the finished robot live from your phone.
What's in the box
13 line items — check everything before you start building
|
Raspberry Pi Pico
The microcontroller -- runs the MicroPython program that controls the robot. |
1 |
|
L298N motor driver
Lets the low-power Pico safely switch the higher-current motors on, off, and in reverse. |
1 |
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HC-05 Bluetooth module
Receives commands wirelessly from a phone and passes them to the Pico over UART. |
1 |
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300 RPM BO motor
Geared DC motors that drive the wheels. |
4 |
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Wheels
Attach directly to the BO motor shafts. |
4 |
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Robot chassis
The frame every component mounts to. |
1 |
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Jumper wires
Wire components together on the breadboard and driver board. |
30 |
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18650 Li-ion 2500mAh battery pack
Rechargeable power source for the motors and electronics. |
1 |
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Battery holder
Holds the 18650 cells securely. |
1 |
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Breadboard
Prototyping surface for the sensor and driver wiring. |
1 |
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Data cable (type B)
Connects the Pico to a computer to upload the MicroPython code. |
1 |
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Double-sided foam tape
Secures the breadboard and modules to the chassis. |
1 |
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Companion app
Sends U/D/L/R/S drive commands to the robot over Bluetooth. |
Free Android APK |
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