Building an automated attendance system using ESP32-CAM is a practical, affordable way to solve this problem for classrooms, ...

Rohde & Schwarz recently announced the MXO3, a 1 GHz, 12-bit oscilloscope. The company sent a review unit. In this part, I ...

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

The Pi Pico is great, but your project might be easier with an alternative.

The new electronic intervention called ‘Kisan Mitra Chhadi’ is intended to reduce the many lives lost to snake bites in rural India. This can be tough.

The Arduino tone library Brett Hagman created the tone library to address this problem, which is now part of the core Arduino library. While tone cannot generate sinusoidal waves like a DAC, it does ...

I have a simple button circuit (like this one), which turns on a red LED when pressed. I am tracking both non-debounced button presses ("raw" button presses) and debounced button presses. In the video ...

In modern telecom infrastructure deployments, optical fibre cable (OFC) is typically laid in underground trenches, where ...

From your very first blinking LED to dazzling multi-color sequences, Arduino makes it easy to bring light to life. With just a board, a few LEDs, and some code, you can experiment with patterns, ...

By integrating advanced sensors and optimizing the power management of the ESP32, I've created a DIY smart lock that is both ...

Bridget Pugh, of Monterey, Tennessee, Jesi Seifert, of Nashville, and Sherry Bowen, of Murfreesboro were three of 41 teachers ...

There’s a reason that the standards specifications for various wireless communications protocols are extremely long and ...