Here’s one way to get more control of your camera lenses. [Vladimir] built an Arduino-based pass-through ring (translated) which intercepts automatic lens controls. It’s meant for use with the Canon ...
STM32_aLED_WS2812B_Controller is a project that uses a STM32F446RE ARM Cortex M4 microcontroller to drive a 16x16 LED matrix consisting of WS2812B LEDs. The controller uses PWM and DMA channels for ...