We probably don’t have to tell the readers of Hackaday that LEGO isn’t just for kids; we’ve seen plenty of projects that live in an enclosure made of the multi-color bricks, and let’s not even get ...

Now there’s even more you can do with LEGOs, besides stacking them and plucking them out of the bottom of your feet. Microduino’s new generation of little stackable Arduino modules, mCookie, is both ...

This project demonstrates how to use an HC-SR04 ultrasonic sensor with Arduino and ESP32 to measure distances accurately and integrate them into DIY electronics or IoT projects. The ultrasonic sensor ...

If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl_433 project, which lets you receive and decode signals from an ever-expanding list of supported devices in ...

ESP32 family of MCUs does not compile with the library version v2.3.5. The compilation error is no member allow_pd. The libray version v2.3.5 is based on Arduino ...