Just last year, we reported on the SparkFun Air Quality PM1/PM2.5/PM10 Sensor, based on the Bosch BMV080 fanless air-quality sensor and priced at around $65. DFRobot has now launched a low-cost ...

Model railroaders convene each year to celebrate their hobby. But this year they're wondering about the impact of tariffs on the foreign companies that make a lot of the products they collect. The ...

Abstract: This paper describes the use of multiple Infrared sensors to reconstruct a shape by detecting any changes in sensor displacement when there is an obstacle placed in front of the sensor.

I've met a lot of model railroaders over the years, and I've seen their outstanding layouts inside their homes. I'm in Oil City and I'm going to meet another model railroader. His layout is not inside ...

As one of the oldest model railroad clubs in Southeast Wisconsin, the O-scale 2-rail layout at the Model Railroad Club of Milwaukee is in full operation during an open house in April. Lucas Iverson ...

LOUISVILLE, Ky. (WDRB) — Train enthusiasts were in their element Saturday — but in small scale. The National Model Railroad Association’s Mid Central Region held its train show and sale Saturday at ...

Of the 18 museums in Balboa Park, only one is in a basement. The San Diego Model Railroad Museum is the successor to a rich history of model railroading in the park. That history began in 1935, when a ...

SeeedStudio sent us a tiny Smart IR Remote hub for review: XIAO Smart IR Mate, or XIAO IR Mate for short. At first glance, it looks like any other WiFi IR blasters, but what makes it interesting is ...

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...

Thermopile sensors offer a reliable way to measure temperature without physical contact, making them ideal for real-world applications where speed, safety, and precision matter. Whether you are ...

The TCRT5000 sensor is an infrared reflective sensor. This library is written to use with a TCRT5000 breakout's analog output and handle a threshold in software. These breakouts have typical two ...