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How to Build an Arduino Heart Rate Monitor with PulseSensor and OLED DisplayLearn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...
The beginner’s guide for hobbyists and makers unlocks some of the practical secrets behind lightning detection design.
XDA Developers on MSN6d
I built an ESP32-powered presence sensor using only Bluetooth, here's how it worksHow it works is simple: you can track devices using Bluetooth on the ESP32, and through a combination of presence and signal strength, you can define a sensor that changes to an "on" state when your ...
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