DIY Fan Speed Monitor - A Weekend Project with M5StickC Plus

What I Built

I made a tiny device that measures how fast my baby's room fan spins. It's like a speedometer for fans!

The Cool Parts

The Device

• M5StickC Plus - A tiny computer with its own screen and battery
• IR sensor - Like a TV remote, but it counts fan spins
• Built-in WiFi - Shows the speed on any web browser

How It Works

1. IR beam bounces off the spinning fan blade
2. Device counts how many spins per minute
3. Shows the speed on its screen
4. Also shares it on a simple webpage

The Fun Part

• Point it at the fan
• Watch the numbers go up and down
• Check speeds from your phone or laptop

What I Learned

1. Getting Good Readings

   • Found the right spot to point the sensor
   • Made sure the numbers were accurate
   • Fixed jumpy readings

2. Making It Work

   • Set up a mini website inside the device
   • Connected it to home WiFi
   • Made the numbers update in real-time

The Result

Now I can:

• See exactly how fast the fan spins
• Check speeds from anywhere in the house
• Know the fan is working right

What's Next

Maybe I'll:

• Count spins from different fans
• Make the display fancier
• Add more sensors

Simple tech can solve everyday curiosities! 🌟