The DS18B20 is a one-wire temperature sensor. The original DS18B20 is manufactured by Analog Devices, Maxim or Dallas Semi. Other companies manufacture functionally similar pin-compatible temperature ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

The DHT20 is a humidity and temperature sensor. The sensor has a fixed address of 0x38. It is not known if the address can be changed. The library must be initiated by calling the begin() function.

Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...

Abstract: Milk mostly comprises water, with 13% of its composition consisting of proteins, lipids, carbs, vitamins, and minerals. Regrettably, milk and dairy products are recognized as the most ...