This is a DIY electronics project article that teaches readers how to build a low-cost 3D LiDAR mapping system using a ...

After reading the CNXSoft article "Arduino launches Modulino Hub and Extender modules to support up to 64 I2C devices, 30-meter range", I learned that Arduino has released official peripheral modules ...

The News-Press and Naples Daily News asked Kodiak Hengstebeck of the FWC 10 questions about this year's Python Challenge.

Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies like LCDs they only use energy when the characters change, but have fallen out ...

If you grew up playing with LOGO on an old 8-bit computer, you’re probably familiar with the concept of a drawbot. It’s a simple robot that drags a pen around to draw on paper. [Tim] decided to build ...

A stepper motor's coils need more current than a GPIO pin can supply directly. The ULN2003 board sits between the ESP32-S3 and the motor, amplifying 4 weak digital signals (IN1 – IN4) into the ...

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