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.

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “ DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to ...

The heater must be disabled when making measurements as the heating affects both the temperature and humidity. Note it might take some time to stabilize to "environment temperature" again. void ...

This report introduces an innovative, low-cost approach to using Arduino as a measurement tool for scientific investigations in education. When using Arduino for science investigations, teachers and ...

As per the FAO statistics of world agriculture in 2010, India is the world's largest producer of many fresh fruits. In 2013, India was the seventh largest agriculture exporter, exporting $39 BN worth ...

Arduino Nicla Sense Env module features temperature, humidity, and gas sensors from Renesas Arduino Nicla Sense Env is a new sensor module with temperature, humidity, and gas (TVOC, NO2, O3) sensing ...

A hybrid plasmonic waveguide Bragg grating (HPWBG) consisting of a polyvinyl alcohol (PVA) microfiber coupled with metal strips oriented at right angles is reported for simultaneous measurement of ...

Digital thermometers offer convenience, accuracy, and ease of use, making them a popular choice for a wide range of temperature measurement applications. The author’s prototype of an Arduino-based ...

Measurements: BMP280: Temperature / pressure / approximate altitude BME280: Temperature / pressure / approximate altitude / humidity Three operation modes: Normal mode: Continues conversion Forced ...