My son started playing competitive tennis at eight. What I didn't expect was that following his matches would be the hard part. At local courts and junior tournaments, scoreboards are surprisingly ...

Proper waste sorting is very important for keeping our neighbourhoods clean and saving resources for the future. When we mix food scraps, plastic, paper, and batteries in the same bin, recycling ...

When it comes to microcontroller boards, Arduino and Raspberry Pi are famous, but lately I've been hooked on the Pro Micro. Small, cheap, and easy to use—this trifecta of features really boosts the ...

The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...

Following ChatGPT and Gemini, I finally had Claude create a software specification using the same prompt. From the perspective of an embedded engineer, I will evaluate the quality of the generated ...

Discover the updated Arduino IoT water leak detector: smarter, more efficient, with advanced monitoring and alert systems for the modern smart home. Following the Elektor article presenting the water ...

The Advanced KeyPad Library is used to connect a 4x4 Kepad by using a PFC8574 I2C-Interface. The Programming Interface is based on the I2CKeyPad library by Rob Tillaart, but with a complete new ...

The multitasking has led the computers to a revolution where one or more programs can run simultaneously which increases efficiency, flexibility, adaptability and productivity. In embedded systems, ...

This project turns the Arduino into an OBD2 on-board diagnostic tester. So, the Arduino can read OBD2 vehicle data and it can read and clear emissions-related diagnostic trouble codes and ...