DSD-LED (+Volume and FIR-Buttons) on these ES9028Q2M-Boards..(DIY)

so,
because here is so much feedback/and website-views on this ES9028Q2M i thought i write  something about it again..
after thinking about programming this STM 8S103F3 MCU on the board (and see some Arduino IDE tuturials to become a LED blinking par example->https://learn.sparkfun.com/tutorials/sik-experiment-guide-for-arduino—v32/experiment-1-blinking-an-led , super nice a MUST to watch !! 😉 ) and examining the layout i see that there are also these „Vol+“,“Vol-„, „Delay“ (means filter-settings (FIRs) i think) and the „DSD“ + „PCM“ holes for Diodes/LEDs..

 


so i think u need only an LED (i would say Blue for DSD and Red for PCM) and a 220 Ohm-Resistor->

 

to make this LEDs „shine“ 😉
also with such Buttons (here i had measurements about 1cm*0,7cm (100mm*70mm)) it must be possible to have a HW-Volume and Filter-Control..
but u have to solder it right 😉 ..

another possibility would also be to solder some 4 Male 2.54mm Pin Header on it, and connect it then to a STM32F103C8T6 by example to control it via this (and with a bluetooth-receiver-transmitter and bluetooth-app par example..)
still thinking about; greets for the moment 😉

 

DIY: STM32F103C8T6 („Blue Pill“) + Oled (TFT-) Display..

okay,
bought some STM32F103C8T6 („Blue Pill“) of about 1,55€ (1,72$) !! at Aliexpress->Link
thought i could use it for my planned own DIY-DAC to display input-source, samplerate, filter-settings, volume etc..

also a 2.6 “ TFT (240X320)->Link (Youtube-Vid is with an 0.96 OLED)

 

 

 

you can program/flash it with a Raspberry Pi->Link, no need for a usb-ttl adapter or ST-Link or something..

so, and with this Arduino IDE u can write some little programms/“sketches“ and write/upload them directly to the chip..
now i must a find a way to read out some information (from maybe a XMOS-USB-Bridge) about the samplerate for example, or maybe which input (USB (I2S), opt, coax) and write it out on a display..
but super no clue at present !! 😉 , i´ll inform you here about some progress..

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