Turning a $5 Microcontroller Into a Network Monitoring API

This story was originally published on HackerNoon at: https://hackernoon.com/turning-a-$5-microcontroller-into-a-network-monitoring-api. Learn how to turn an ESP32-C3 into a REST API that serves Wi-Fi telemetry as JSON, supports browser requests, and uses mDNS for local discovery. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #embedded-systems, #esp32, #esp32-c3, #internet-of-things, #iot-development, #network-monitoring, #esp32-webserver, #hackernoon-top-story, and more. This story was written by: @mikey32905. Learn more about this writer by checking @mikey32905's about page, and for more stories, please visit hackernoon.com. The ESP32-C3 is converted into a lightweight REST microservice, allowing any browser or terminal on the local area network to query its status in real time. The microservice overcomes modern networking challenges, including CORS and zero-configuration local service discovery, to provide a predictable and structured JSON response.