My First Electronics Project - Building a Real-Time Power Outage Monitor with ESP32 and Slack

A developer built a real-time power outage monitor using an ESP32 and Slack Webhook after experiencing a blind spot during a trip abroad when home CCTV went offline due to a power cut. The system uses a USB-TTL converter as a non-invasive sensor, a 1000µF capacitor to bridge inverter switchover gaps, and a software debounce filter to eliminate false alarms from GPIO noise.