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JULY & AUGUST 2026 ELEKTORMAGAZINE.COM
CE 196
When Your Router Becomes a Motion Sensor
Wi-Fi-Based Person Detection on an ESP32 ESP32-S3 person in room Wi-Fi
Wi-Fi router
Wi-Fi receiver
Captures 2.4 GHz frames
RSSI reader
Signal power, dBm
CSI collector
52 subcarrier avg
Signal processor
5-stage variance pipeline
Web server
10 Hz
Serial debug
Browser
Dashboard
FOCUS ON
IoT & Sensors
MultiRF Dev Board A Platform for Evaluating Shortand Long-Range Wireless Protocols
IoT Module in Practice
ESP32-S3 SoC, LTE-M/NB-IoT 5G Modem, and GNSS Receiver
Ecologging
A Modular Environmental IoT Station for Field Research
Redox Meter
Monitor Water Quality with an ESP32