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Jun 27, 2026
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README.md
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RC Car

A custom 3D printable RC car with 150 RPM BO Motors and Servo Motors for rotation.

Car

This was my first kinematics (movable parts) projects so I wanted to keep it as simple as possible, that's why used BO Motors instead of high power motors, and used servo for rotating instead of other options.

Wiring Disgram

Using TB6612FNG

TB6612FNG

Using DRV8833

DRV8833

Bill Of Materials

Name Purpose Quantity Total Cost (USD) Link Distributor
Motor Driver To control the movement of the motors. 1 1.50 https://robocraze.com/products/tb6612fng-dual-dc-motor-driver RoboCraze
5V Step Down To convert the battery output of 7.4V into 5V. 1 0.60 https://robu.in/product/dc-dc-3a-5v-12v-24v-to-5v-step-down-power-supply-module Robu
ESP32 To control all the components 1 4.00 https://robocraze.com/products/nodemcu-32-wifi-bluetooth-esp32-development-board30-pin?variant=42268194046176 RoboCraze
Battery Protection Board To protect the battery from Over Protection 1 0.90 https://makerbazar.in/products/18650-bms-lithium-battery-protection-board?variant=48251032961264 MakerBazar
Battery Charger Module To the charge the batteries 1 0.95 https://makerbazar.in/products/green-type-c-multi-cell-2s-3s-4s-to-8-4v-12-6v-16-8v-step-up-boost-lithium-battery-charger-module?variant=47464000323824 MakerBazar
Servo Motor To rotate the front wheels 1 1.60 https://makerbazar.in/products/small-servo-plastic-gear-svg90s?variant=45449434136816 MakerBazar
BO Motor For driving the wheels 2 1.10 https://makerbazar.in/products/bo-motor-single-shaft?variant=48251116323056 Makerbazar
65mm Wheels To drive the car on the ground 4 6.60 https://robocraze.com/products/65mm-robot-smart-car-rubber-wheel-blue-color?variant=46899383992544 RoboCraze
18650 Cell Holder To hold the batteries 1 0.20 https://robocraze.com/products/18650-2-cell-holder?variant=44442720698592 Robocraze
Hex Nuts For connecting Wheels to Body and Motor 2 1.60 https://makerbazar.in/products/hexagonal-brass-shaft-coupling-for-robot-smart-car-motor-wheel?variant=44467929121008 MakerBazar
Wires (24 AWG & 18 AWG)AWG) For connecting different components 2.90 https://makerbazar.in/products/flexible-silicon-wire MakerBazar
Soldering Components (Wire, Flux, Desoldering Wire, Sponge) For soldering various components 4.60 https://robocraze.com/products/noel-solder-wire-60-40-50gm-pack?variant=47362092957920 RoboCraze
Allen Key Set To tighten screws of various size. 1 1.00 https://makerbazar.in/products/9-pcs-chrome-plated-allen-key-hex-key?variant=48251135131888 MakerBazar
Screws and Bolts For joining various parts to Body. 3.10 https://makerbazar.in/products/stainless-steel-allen-head-nut-bolt-washer-set MakerBazar
3D Printer Filament For printing the body of the car 200g 0.00 Self

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Car Car Car Car Car

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An 3D Printed RC Car powered by ESP32.

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