Build a simple LPG gas leakage detector using Arduino and MQ-5 sensor. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.

Our medical experts vetted the best and most popular watches that monitor heart rate on the market for 2025.

Note. A compact analogue reflectance sensor such as the CNY70 was not used in the Arduino Uno experiments described. Instead, a homemade sensor was assembled using a single infrared LED (IR333C) and a ...

Piezoelectret sensor made from an electro-spun fluoropolymer and its use in a wristband for detecting heart-beat signals ...

Goal: The purpose of this paper is to improve the detection of high-frequency sounds from the heart for better identification of turbulent blood flow in partially occluded coronary arteries. This ...

Learn how to build a WiFi-controlled drone using ESP32 modules and MPU6050 IMU. This DIY project offers stability control, smartphone control, and easy upgradability. Get step-by-step instructions and ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs ...

Heartbeat Sensor using LM358 Op-Amp and Arduino. Contribute to george-joseph-7/heart-beat-sensor development by creating an account on GitHub.