PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

There's no limit to what one can do with a Raspberry Pi. From using it as a laptop to emulating PlayStation 3 games, there are tons of projects on the internet that let you use the SBC in some ...

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

Professional mountain bike racing is a rather bizarre sport. At the highest level, times between podiums will be less than a second, and countless hours of training and engineering go into those ...

Abstract: As urban areas continue to expand, leading to increased population density, their populations grow, transportation expands and the pace of climate change escalates, it is more crucial than ...

A Model Context Protocol (MCP) server for controlling Geekhouse IoT devices running on Raspberry Pi Pico W. This MCP server provides Claude with native tools to control LEDs, read sensors, manage ...

Put a fingerprint scanner somewhere far from your computer/server? Install biometric security in a place where running cables is impossible or expensive? Connect multiple fingerprint readers across a ...

The table shows the pin configuration of the Arduino UNO–based robotic arm. The red (VCC) wires of all servos are connected ...

MCUs are ideal MQTT clients because the protocol is lightweight and designed for low-bandwidth, low-RAM environments.