ESP32-S3 UNO

This core board uses ESP32-S3 as the main control core and is compatible with core models with or without Flash (or PSRAM) (Note: Only the Quad SPI version is supported). The board frame and digging holes are consistent with Arduino UNO, and the IO definition is roughly the same as Arduino UNO, and is compatible with the use of related peripherals.

#### **2023/05/06 Completed the first physical verification:**
![IMG_20230506_141007.jpg] (Note: Since the CH343 chip was purchased as CH341, the serial port part has not yet been verified.~~ Here is the naming of Qin Heng ~~)

But ESP32-S3 can use JTAG for debugging and programming.
![IMG_20230506_135057.jpg] When plugged into USB, the JTAG device can be recognized normally, as shown in the figure below:
![JTAG.png]
#### Function verification:
Use VSCode PlatformIO, simple programming based on Arduino, and write a breathing light program. Turn on the onboard LED light (controlled by IO-G21).
Breathing light program (written for fun by children who are ignorant):
```
#include

void setup() {
// put your setup code here, to run once:
pinMode(21,OUTPUT);
}

void loop() {
// put your main code here, to run repeatedly:
unsigned char i;
for(i=1;i<255;i++)
{
analogWrite(21,i);
delay(5);
}
for(i= 255;i>0;i--)
{
analogWrite(21,i);
delay(5);
}
}
````
![Pio.png] (Note: See the attached video for verification)

### **Update log :**
2023/05/06 Completed the verification of some functions of the Ver1.0 version. (There was a slight error in the silk screen during verification, which has been corrected when publishing)