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 ...

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 ...

So you want to play some retro games on your BeagleBone, just load up Linux and start your favorite emulator right? Not if you’re serious about it. [Andrew Henderson] started down this path with the ...