We'll use an Adafruit library called Adafruit_Neopixel to control the color strip. As of November 2024, our color strip has 55 LED lights and 13 LED pins. WE'll explain how to write a program that 1) ...

The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for ...

Soldered Electronics has made ESP32-based e-paper displays for years, starting with the launch of the Inkplate 6 in 2019. The Inkplate 13SPECTRA is their latest model based on an ESP32-S3 WiFi and ...

Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan ...

What if you could *see* UV radiation before it has the potential to cause harm? A novel color-changing ‘living’ sensor could make this a reality, revealing exposure to damaging UV light and paving the ...