ESP32-S3¶
Dual-core Xtensa LX7 @ 240 MHz with native USB-OTG, AI vector instructions, and LCD/camera interfaces. WiFi + BLE 5.
In stock
Espressif
1 files · 1.0 MB
Specs¶
| Spec | Value |
|---|---|
| SoC | ESP32-S3 (Xtensa LX7 dual-core, 240 MHz) |
| Flash | 4–16 MB |
| PSRAM | up to 8 MB (octal/quad) |
| WiFi | 802.11 b/g/n (2.4 GHz) |
| Bluetooth | BLE 5 (no classic) |
| GPIO | 45 (most muxable) |
| ADC | 12-bit, 20 channels |
| USB | Native USB 2.0 OTG/CDC/JTAG |
| AI accel | Vector instructions for NN |
Why pick S3 over original ESP32¶
- Native USB — flash and serial over the same port, no CH9102 chip needed
- Built-in USB JTAG for debugging
- More GPIO (45 vs 25)
- BLE 5 with long-range + 2 Mbps PHYs
- TensorFlow Lite Micro acceleration
Schematic¶
Open ESP32-S3-DevKitC-1 schematic (PDF)
Last updated: 2026-05-13 · Source on GitHub