Traffic Monitoring Meter 🚦 Using Live Map Data

Every morning, I’d leave for the office thinking “today will be smooth”… and almost every day, I’d end up stuck in traffic 😅

If you live in a city like Bangalore, you already know — traffic isn’t just a delay, it’s a mood killer. I found myself constantly checking Google Maps before leaving, trying to estimate how bad it would be. That’s when I thought:

What if I could build a simple physical meter that shows traffic conditions in a fun and intuitive way?

That idea turned into this Traffic Monitoring Meter — a small desk gadget that fetches traffic data and visually represents it using a servo-powered dial and an OLED screen.

It’s simple, fun, and honestly… kinda satisfying to watch 😄

1. Servo motor
2. ESP32-C3 (or any prototyping board)
3. OLED display
4. Jumper wires
5. Breadboard
6. A sheet + colors + pen (for making the meter dial)
7. Cutter
8. Super glue(or any suitable adhesive)

Start by connecting your OLED display to the ESP32-C3.

Most OLEDs use I2C, so you’ll typically connect:

1. VCC → 3.3V
2. GND → GND
3. SDA → D8
4. SCL → D9

Now connect the servo motor to your ESP32-C3:

1. Red wire → 5V
2. Brown/Black → GND
3. Yellow/Orange → D10

This GPIO pin will control the angle of the servo, which acts as the needle of your meter.

This is the most fun part.

Take a sheet and design your meter face — basically the background over which your servo needle will move.

Instead of boring labels, I made mine fun and relatable:

1. Vroom 🟢 (Smooth traffic)
2. Hmm 🟡 (Moderate traffic)
3. Bruh! 🟠 (Slow traffic)
4. Why? 🔴 (Heavy traffic 😭)

Use colors to make it intuitive:

1. Green → Good
2. Yellow → Okay
3. Orange → Meh
4. Red → Pain

Cut it into a semicircle and mount it behind the servo needle.

In the code, you’ll need to update:

1. Your source and destination coordinates
2. Your WiFi credentials
3. API-related configs (if you're using traffic APIs)

Example format you used:

Once updated:

1. Connect ESP32-C3 via cable
2. Open your IDE (Arduino / PlatformIO)
3. Upload the code

The OLED should start displaying traffic info, and the servo should move accordingly.

That’s it — your Traffic Monitoring Meter is ready!

Place it on your desk, and before leaving for office, just take a glance:

1. If it says Vroom → you’re lucky 😎
2. If it says Why? → maybe wait… or accept your fate 🥲

This project started as a small frustration with daily traffic, but turned into something really fun and useful.

It’s a great mix of:

1. Real-world problem solving
2. Hardware + software integration
3. A bit of creativity

And the best part? It adds personality to something as boring as traffic data.

If you build this, feel free to customize the meter labels — that’s where the real fun is!

Happy building 🚦✨