DIY WiFi Controlled Race Car using NodeMCU | Speed & Obstacle Control Upgrade (Part 2)

Welcome back to *Masth Electronics!* 🚗💨

In this video, we’re taking our *WiFi-controlled rover* from the previous tutorial to the next level — turning it into a *WiFi Race Car* with *speed control* and a *configurable obstacle detection threshold!*

If you haven’t watched Part 1, where we built the basic WiFi Rover from scratch, make sure to check it out first 👉 [Part 1: DIY WiFi Controlled Car using NodeMCU](https://youtu.be/2LIX3Oo7ABs?si=s9vULfbwJNK4T87O)

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🔧 *What’s New in Part 2*

✅ Speed Control using PWM (Turbo / Normal / Slow modes)
✅ Adjustable obstacle threshold from the web interface
✅ Stylish and responsive web control page (works on phone or PC)
✅ Press-and-hold movement control for real-time racing feel
✅ Cleaner, more efficient ESP8266 code with live feedback

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⚙️ *Hardware Changes*

* EN1 & EN2 of L293D moved from 3.3V → D8 for PWM speed control
* Obstacle threshold made configurable via web slider

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💻 *Code & Circuit*

Download the complete project files (both basic & enhanced versions) from our GitHub:
🔗 [GitHub Repository – WiFi Rover Project](https://github.com/MasthElectronics/WifiRoverControl)

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🎬 *Timestamps*

00:00 Intro
00:54 Hardware Connection
01:38 Speed Control Coding
02:27 Speed Control Demo
03:26 Complete Code
07:25 Demo
09:13 Car outfit & race track
10:04 Final race demo

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If you enjoyed this project, *like 👍, share 🔁, and subscribe 🔔* to *Masth Electronics* for more fun DIY electronics projects!

💬 Have questions or ideas? Drop them in the comments — we’d love to hear from you!

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Видео DIY WiFi Controlled Race Car using NodeMCU | Speed & Obstacle Control Upgrade (Part 2) канала Masth Electronics