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How to Build an Arduino Heart Rate Monitor with PulseSensor and OLED Display
Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...
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TRMNL 7.5″ (OG) DIY Kit is a battery-powered $36 E Ink display with WiFi, a battery, and dozens of software plugins
The ESP32-S3 Plus features two CPU cores that run at up to 240 MHz and integrated support for WiFi 4 and Bluetooth 5.0 LE.