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Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...
Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...
Check out the list of best fingerprint mobiles in India for July 2025. Get complete details on from to prices, key features, specs, photos and much more at Gizbot.