Full-stack IoT Development Guide
Level up from Arduino by following this guide to build a Bluetooth light display.
You'll use KiCAD for a custom PCB based on an nRF52 wireless module, Zephyr RTOS for the embedded Bluetooth, and Flutter to develop a cross-platform mobile app to control your wireless device.
⚡️ It helps to have some basic soldering knowledge
Design your own wireless PCB
Set up Zephyr for IoT
Build a Flutter app
Develop a cross platform BLE app