Feather-format ESP32-S3 board (dual-core 240 MHz) with 16 MB flash, 8 MB PSRAM, USB-C, and a u.FL connector for an external antenna instead of a PCB trace antenna. Two 700 mA 3.3V LDOs, LiPo charging, 2× STEMMA connectors, 21 GPIO.
Battery input pin from FeatherS3 KiCad symbol pin 1.
Enable input pin from FeatherS3 KiCad symbol pin 2.
5 V power input pin from FeatherS3 KiCad symbol pin 3.
ESP32-S3 GPIO 11 bidirectional I/O from FeatherS3 KiCad symbol pin 4.
ESP32-S3 GPIO 10 bidirectional I/O from FeatherS3 KiCad symbol pin 5.
ESP32-S3 GPIO 7 bidirectional I/O from FeatherS3 KiCad symbol pin 6.
ESP32-S3 GPIO 3 bidirectional I/O from FeatherS3 KiCad symbol pin 7.
ESP32-S3 GPIO 1 bidirectional I/O from FeatherS3 KiCad symbol pin 8.
ESP32-S3 GPIO 38 bidirectional I/O from FeatherS3 KiCad symbol pin 9.
ESP32-S3 GPIO 33 bidirectional I/O from FeatherS3 KiCad symbol pin 10.
ESP32-S3 GPIO 9 bidirectional I/O from FeatherS3 KiCad symbol pin 11.
ESP32-S3 GPIO 8 bidirectional I/O from FeatherS3 KiCad symbol pin 12.
LDO2 output power pin from FeatherS3 KiCad symbol pin 13.
UART TX bidirectional board pin from FeatherS3 KiCad symbol pin 14.
UART RX bidirectional board pin from FeatherS3 KiCad symbol pin 15.
ESP32-S3 GPIO 37 bidirectional I/O from FeatherS3 KiCad symbol pin 16.
ESP32-S3 GPIO 35 bidirectional I/O from FeatherS3 KiCad symbol pin 17.
ESP32-S3 GPIO 36 bidirectional I/O from FeatherS3 KiCad symbol pin 18.
ESP32-S3 GPIO 5 bidirectional I/O from FeatherS3 KiCad symbol pin 19.
ESP32-S3 GPIO 6 bidirectional I/O from FeatherS3 KiCad symbol pin 20.
ESP32-S3 GPIO 12 bidirectional I/O from FeatherS3 KiCad symbol pin 21.
ESP32-S3 GPIO 14 bidirectional I/O from FeatherS3 KiCad symbol pin 22.
ESP32-S3 GPIO 18 bidirectional I/O from FeatherS3 KiCad symbol pin 23.
ESP32-S3 GPIO 17 bidirectional I/O from FeatherS3 KiCad symbol pin 24.
Ground pin from FeatherS3 KiCad symbol pin 25.
ESP32-S3 GPIO 0 bidirectional I/O from FeatherS3 KiCad symbol pin 26.
3.3 V board power pin from FeatherS3 KiCad symbol pin 27.
Reset input pin from FeatherS3 KiCad symbol pin 28.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VBAT | 1 | power | Battery input pin from FeatherS3 KiCad symbol pin 1. | |
| EN | 2 | control | Enable input pin from FeatherS3 KiCad symbol pin 2. | |
| 5V | 3 | power | 5 V power input pin from FeatherS3 KiCad symbol pin 3. | 5V |
| IO11 | 4 | io | ESP32-S3 GPIO 11 bidirectional I/O from FeatherS3 KiCad symbol pin 4. | |
| IO10 | 5 | io | ESP32-S3 GPIO 10 bidirectional I/O from FeatherS3 KiCad symbol pin 5. | |
| IO7 | 6 | io | ESP32-S3 GPIO 7 bidirectional I/O from FeatherS3 KiCad symbol pin 6. | |
| IO3 | 7 | io | ESP32-S3 GPIO 3 bidirectional I/O from FeatherS3 KiCad symbol pin 7. | |
| IO1 | 8 | io | ESP32-S3 GPIO 1 bidirectional I/O from FeatherS3 KiCad symbol pin 8. | |
| IO38 | 9 | io | ESP32-S3 GPIO 38 bidirectional I/O from FeatherS3 KiCad symbol pin 9. | |
| IO33 | 10 | io | ESP32-S3 GPIO 33 bidirectional I/O from FeatherS3 KiCad symbol pin 10. | |
| IO9 | 11 | io | ESP32-S3 GPIO 9 bidirectional I/O from FeatherS3 KiCad symbol pin 11. | |
| IO8 | 12 | io | ESP32-S3 GPIO 8 bidirectional I/O from FeatherS3 KiCad symbol pin 12. | |
| LDO2_OUT | 13 | power | LDO2 output power pin from FeatherS3 KiCad symbol pin 13. | |
| TX | 14 | io | UART TX bidirectional board pin from FeatherS3 KiCad symbol pin 14. | |
| RX | 15 | io | UART RX bidirectional board pin from FeatherS3 KiCad symbol pin 15. | |
| IO37 | 16 | io | ESP32-S3 GPIO 37 bidirectional I/O from FeatherS3 KiCad symbol pin 16. | |
| IO35 | 17 | io | ESP32-S3 GPIO 35 bidirectional I/O from FeatherS3 KiCad symbol pin 17. | |
| IO36 | 18 | io | ESP32-S3 GPIO 36 bidirectional I/O from FeatherS3 KiCad symbol pin 18. | |
| IO5 | 19 | io | ESP32-S3 GPIO 5 bidirectional I/O from FeatherS3 KiCad symbol pin 19. | |
| IO6 | 20 | io | ESP32-S3 GPIO 6 bidirectional I/O from FeatherS3 KiCad symbol pin 20. | |
| IO12 | 21 | io | ESP32-S3 GPIO 12 bidirectional I/O from FeatherS3 KiCad symbol pin 21. | |
| IO14 | 22 | io | ESP32-S3 GPIO 14 bidirectional I/O from FeatherS3 KiCad symbol pin 22. | |
| IO18 | 23 | io | ESP32-S3 GPIO 18 bidirectional I/O from FeatherS3 KiCad symbol pin 23. | |
| IO17 | 24 | io | ESP32-S3 GPIO 17 bidirectional I/O from FeatherS3 KiCad symbol pin 24. | |
| GND | 25 | ground | Ground pin from FeatherS3 KiCad symbol pin 25. | 0V |
| IO0 | 26 | io | ESP32-S3 GPIO 0 bidirectional I/O from FeatherS3 KiCad symbol pin 26. | |
| 3V3 | 27 | power | 3.3 V board power pin from FeatherS3 KiCad symbol pin 27. | 3.3V |
| RST | 28 | control | Reset input pin from FeatherS3 KiCad symbol pin 28. |
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