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title: SLAM Navigation For An Arduino Powered Car | daily.dev
description: Luca Fagioli demonstrates an explorer robot that uses SLAM to navigate its environment. The car runs on an Arduino Uno R4 Wi-Fi with a Sensor Shield 5.0 and an...
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og:description: Luca Fagioli demonstrates an explorer robot that uses SLAM to navigate its environment. The car runs on an Arduino Uno R4 Wi-Fi with a Sensor Shield 5.0 and an...
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# SLAM Navigation For An Arduino Powered Car

**[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 0 upvotes · 0 comments

## Summary

Luca Fagioli demonstrates an explorer robot that uses SLAM to navigate its environment. The car runs on an Arduino Uno R4 Wi-Fi with a Sensor Shield 5.0 and an L298N motor driver, using one gear motor per drive wheel. An HC-SR04 ultrasonic sensor mounted on an SG-90 servo pans around to measure wall distances while building a map and localizing itself. Infrared sensors on the bottom detect floor tape marks for checkpointing.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://hackaday.com/2026/10/28/slam-navigation-for-an-arduino-powered-car>

## Questions this post answers

### Can you do SLAM with an ultrasonic sensor instead of a lidar module?

Yes, SLAM can be implemented using an HC-SR04 ultrasonic sensor instead of a laser rangefinder or time-of-flight sensor. One build mounts the HC-SR04 on an SG-90 servo motor so it can pan around and measure wall distances, building a map while localizing the robot within it, controlled by an Arduino Uno R4 Wi-Fi.

_Makers comparing sensor options for budget SLAM robots can find more hardware builds like this on daily.dev._

### What hardware do I need to build an Arduino-based SLAM robot car?

A working example uses an Arduino Uno R4 Wi-Fi with a Sensor Shield 5.0, an L298N motor driver board, one gear motor per drive wheel, an HC-SR04 ultrasonic sensor on an SG-90 servo for ranging, and infrared sensors on the bottom to detect floor tape marks for checkpointing during navigation.

_Anyone planning a similar robotics build can follow more Arduino and SLAM project writeups on daily.dev._

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---

Tags: [#iot](https://daily.dev/tags/iot), [#robotics](https://daily.dev/tags/robotics)

[View this post on daily.dev](https://daily.dev/posts/slam-navigation-for-an-arduino-powered-car-bjwzgtiyl)

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