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 ...

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 ...

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 ...