Hi! > > > > Is it intended to be used as a 4x3 matrix, or is this just an internal > > > > wiring detail, and should it be exposed as 12 individual LEDs instead? > > > > > > The 4×3 matrix is a real and fundamental aspect of the LP5812’s operation. > > > It is not just an internal wiring detail. > > > The device adopts a Time-Cross-Multiplexing (TCM) structure, where 4 output > > > pins control 12 LED dots individually through scanning. Each pin includes > > > both high-side and low-side drive circuits, meaning matrix multiplexing is > > > required for proper operation — it cannot be treated as 12 completely > > > independent LEDs. > > > > Scanning is really a detail. > > > > If this is used as rectangular 4x3 display, then it goes to auxdisplay. > > > > If this is used as a power LED, SD activity LED, capslock and numlock > > ... placed randomly all around the device, then it goes LED subsystem. > > The LP5812 is used for LED status indication in devices like smart speakers, > wearables, and routers, not as a structured rectangular display. Well, IIRC it also supports automated animations, and that does not make sense on LED indicators. So... what device do _you_ have and how exactly is it used there? Best regards, Pavel -- I don't work for Nazis and criminals, and neither should you. Boycott Putin, Trump, and Musk!
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