Bluetooth Courses

Wireless Communication Emerging Technologies
Yonsei University via Coursera

IoT (Internet of Things) Wireless & Cloud Computing Emerging Technologies
Yonsei University via Coursera

IoT Networking and Fog Layer Devices
ITMO University via edX

The Complete Android N Developer Course
Udemy

The Complete Android Oreo Developer Course - Build 23 Apps!
Udemy

Android Phone and Tablet Essential Training
LinkedIn Learning

IT: device to device communication
The Open University via OpenLearn

Wireless Network Fundamentals for Security Practitioners
Cybrary

Arduino Nano 33 IoT - Getting Started
DroneBot Workshop via YouTube

Introduction to ESP32 - Getting Started
DroneBot Workshop via YouTube