Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

Discover the ESP32 Cheap Yellow Display Board: low-cost, Wi-Fi + Bluetooth, 2.8″ touchscreen, ideal for IoT, GUI projects, and learning.

Apple is moving forward with plans to bring a new type of image sensor with dynamic range levels approaching that of the human eye to future iPhones, ...

Verizon and Hyfi are behind a new national flood sensor network that launched Monday in Chicago. They said the area is flood-prone.

What was the circular sensor Pauline Ferrand-Prévot was wearing on her back at the Tour de France Femmes? By Tom Wieckowski published August 4, 2025 ...

IoT-based data logger for weather monitoring using arduino-based wireless sensor networks with remote graphical application and alerts ...

Arduino library for the ENS21x temperature & humidity sensor family with I2C interface from ScioSense. The ENS21x is a family of high-performance digital temperature and humidity sensors produced by ...

Adobe Photoshop Tutorials offers video and text-based learning from the makers of the software - and it's easily one of the best free Photoshop courses online for beginners.

This paper introduces an Arduino-based color-sorting conveyor belt system that automates object sorting by color. Employing a TCS3200 color sensor, an Arduino microcontroller detects red, green, and ...

If you regularly change lenses on your camera, dust or debris will eventually end up on your sensor. There are things you can do to mitigate that, but any time you expose your camera's interior to the ...