Control Onyx with Akai APCmini using oscii-bot

Introduction

This script can be used to control Obsidian Onyx using an Akai APCmini. This is done by mapping the midi messages from the apc to osc messages that Onyx understands. By default the script maps the buttons to the playpaback buttons on page 1, the faders to playback faders 11-20 and buttons above the faders to the flash buttons of the faders.

Custom Midi Controller with Displays for Lighting Control

Introduction

I always wanted to have a lighting desk that has displays instead of the usual label tape. Since buying is not an option I made my own :-) The design is straight forward and consists of eight faders and eight flash buttons. You can find the whole code here.

Control Onyx with BCF2000 using oscii-bot

fader animation

Use Midi Device to Control Faders in Elation Onyx through OSC using oscii-bot

fader animation

Porting the Adafruit SSD1306 Library to STM32 HAL with DMA (I2C only)

I needed to be able to control lots of small ssd1306 i2c displays using the STM32f103. Therefore I ported the Adafruit library to stm hal. Since i2c is slow (~4 ms for a full refresh) the display update is done using DMA.