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Hello I decide to start a new topic around my fader automation. As i don't plan to use MF_NG anymore it make sense to not saturate the dedicate topic. The "rev2" prototype is based around STM32 core AIN for fader servo track AOUT to drive my analog PI driver D I/O for led, relay, button, touch I design some Din/Dout board based on the matrix but with only 8in and 8out and with integrated touch detection circuit By this I keep the whole system modular like my mixing desk, each fader will have a dedicated PCB. 80% of the parts and board are on the basket or waiting delivery I hope running the first test before the end of the year :smile: -------- Now the questions ! I start to read a little about the STM32 and MIOS32 Last revision include "toggle" mod, "on/off" capabilities for the AIN, acting like a DIN right ? I'm wondering if it's also possible with AOUT ? I'm already thinking of v3 proto, with "only" 1x 8AD chip and 1x 8DA chip per fader module, where I can manage ALL led, relay, button, analogPI and motor Ending with a single "bus board" or "bus ribbon" to the core in a serial mode, (or multiplexer?) second question is about STM32 supplly I plane to use external 3.3v, 5v, and +/-15v (for AOUT and my motor driver) I'm fine with the STM32 J2 description for 5v supply, but i don't understand where I plug 3.3v ? and last... i can't find any specification for all J connector regarding pin n° and function, the GND usually use pin 1 and 2 or 9 and 10? Best Zam

Great support - really! I'm just saying this since I don't even remember when we moved to the ARM Cortex core and left the PIC world behind... For the MB6582: I guess only updating the "main" PIC which handles the UI is enough and doesn't break the interplay between all four? Best, ilmenator