(Verified) ESP32 Audio and Display Development Board

I started playing with ESP32 at the beginning of this year, and I referred to many open source designs. This development board has been iterated four times, and the version is basically stable. It is the prototype version of most of our current finished products. It is open source for everyone to discuss and learn. Please be gentle.
If you are interested, you can join Q group 305747 to discuss together.
 
The board mainly includes several parts:
1. Power supply, using AP3410, R11 450K and R9 100K. When I actually make it myself, I usually use R11 100K and R9 22K. That is, the ratio of the two resistors is close to 4.5.
2. USB to TTL, using CH9102F, expensive, but it can be driven on Win10/Win11. In addition, this version of USB CC1/CC2 is not processed (I was ignorant at that time...), so it cannot get power when Type-C to Type-C. It is recommended that you add a 5.1K pull-down resistor when replicating.
3. The silicon microphone uses MSM261S4030H0R, nothing much to say, it can record and can be used as a music lamp.
4. The sound output uses MAX98357AETE, this version is mono, (I also have a dual-channel version, which will be released later).
5. The ESP32-WROOM module is used, and several GPIOs are brought out, which can be used for various expansions (for example, the original version of our clock was made with this board)
6. The display uses the 12pin version, currently supporting 135*240/240*240/320*240 (ST7789 driver is best).
The shell design has a bug (the cover on the speaker needs to be glued, otherwise it will be a bit loose), for reference only.