This is a DIY electronics project article that teaches readers how to build a low-cost 3D LiDAR mapping system using a ...
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 ...
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Open-source swarm robotics: Custom ESP32 MiniBots turn chess pieces into autonomous robots
A hardware developer known online as 3DprintedLife has unveiled an open-source swarm robotics project that transforms each individual chess piece into an autonomous micro-robot capable of independent ...
On a chessboard, a pawn moves forward on its own. A knight jumps in an L-shape. A rook slides in a straight line. All 32 pieces are independent robots. Moreover, it is open-source and anyone can build ...
Valve’s new Steam Controller is a $99 game controller that went on sale in May (and quickly sold out). It has all the usual features like dual analog sticks, a D-Pad, ABXY buttons, and shoulder ...
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 ...
Component Knowledge: ULN2003 Driver 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 ...
Raspberry Pi (with Python 3 installed) Raspberry Pi Camera (compatible with Picamera2 Library) 2 Stepper motors + drivers Laser module (GPIO controlled) Speakers (connected to Raspberry Pi through the ...
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