The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

Refer to the circuit diagram below for the complete wiring layout. The Raspberry Pi Pico WhatsApp messaging system reads the ...

Here is the controller I designed for my 3D printed animatronic eye mechanisms. The main advantage it has over a traditional gaming controller is the ability to fine-tune a value (such as the openness ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Robotic and autonomous underwater vehicles have collected vast quantities of footage from the deep sea, but most of it hasn’t ...

Running a nuclear power plant isn’t an easy task, even with the level of automation available to a 1980s Soviet RBMK reactor.

Base layers typically fall into two buckets: those woven with merino wool and those made from synthetic fibers such as polyester. I wouldn’t blame you if you strongly prefer one over the other, ...

The Magnificent Seven represent 32.6% of the S&P 500 as of February 2026, up from 12.5% in 2016. From 2016 through 2025, these seven companies achieved an 875.5% return, outperforming the S&P 500. The ...