This course focuses on the design, development, and implementation of secure IoT systems using microcontrollers, radio modules, sensors, and actuators. Topics include security and access management. Installation of security credentials on a microcontroller. Microcontrollers with radio modules. Pre-provisioned radio modules. AWS serverless IoT. ExpressLink and AT commands. Permissions, policies and rules. IoT payloads and JSON. Message brokers. Publish and subscribe principle. MQTT broker and verification tools. IoT centric cloud services and their use. Operating a microcontroller in low power modes. The laboratory portion of the course will provide hands-on experience in designing and implementing IoT embedded systems.