🔗 Master-Slave I2C Communication Between Two Arduinos – Full Guide + Code
Want to connect two Arduino boards to communicate seamlessly? Using I2C (Inter-Integrated Circuit) communication, you can send and receive data between a master Arduino and a slave Arduino with just two wires . Whether you're building a sensor network , multi-Arduino system , or an IoT prototype , I2C makes it super easy! 🧰 Components Required ✅ 2x Arduino Uno or Nano ✅ Jumper wires (Male to Male) ✅ Common Ground Connection ✅ (Optional) OLED Display or other I2C devices ✅ Android phone to test/control via app 🛒 Buy all these at Plysmotix.in – Affordable electronics for makers, students, and developers! 📲 Bonus: Download the Plysmotix Android App Make your I2C projects smarter with our Android app: ✅ Send/receive data via Bluetooth ✅ Monitor serial output remotely ✅ Access DIY tutorials ✅ Shop components anytime 🎯 Download the Plysmotix Android App 🔌 I2C Wiring Between Two Arduinos Pin on Master Pin on Slave A4 (SDA) A4 (SDA) A5 (SC...