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fromAdrelien - Your Source for Tech News, Tutorials, and Reviews
2 months ago

ESP32 Soil Moisture Sensor: Real-Time Monitoring & Visualization

Adrelien inESP32 -The ESP32 is a powerful microcontroller with built-in Wi-Fi, making it an excellent choice for IoT projects. In this guide, we will walk you through how to collect soil moisture data from a 2-prong soil sensor, send it to the cloud using Telemetry Harbor, and visualize it using a Grafana dashboard Arduino IDE (1.8.13 or newer) Required libraries: Telemetry Harbor SDK WiFi Library (built into ESP32 core) HTTPClient Library (built into ESP32 core) Telemetry Harbor account (free tier available)
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fromZDNET
3 months ago

Researchers built a wireless heart rate monitor with a Raspberry Pi and Wi-Fi - here's how

Wi‑Fi Channel State Information can be used to monitor heart rate non-intrusively with 99.81% accuracy using low-cost hardware like ESP32 and Raspberry Pi.
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