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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 ...
XDA Developers on MSN3d
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 ...
This Arduino code utilizes an ultrasonic sensor to measure distances. When an object is detected within a fix distance , the connected motors trigger a sequence: move backward, turn right, turn left, ...
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