Single core ESP32-S2 with native USB OTG and no Bluetooth radio.
This entry is draft and has not been confirmed against physical hardware. A conforming tool will refuse to provision it. The datasheet is the authority, not this page.
| Cpu | Xtensa single-core LX7 @ 240MHz |
|---|---|
| Ram | 320KB SRAM plus 2MB PSRAM |
| Has gpu | No |
| Has npu | No |
| Has tpu | No |
| Storage | 4MB Flash |
| Gpio pins | 43 |
| Board type | Microcontroller |
| Adc channels | 20 |
| Dac channels | 2 |
| Manufacturer | Espressif |
| Model number | ESP32-S2-Saola-1 |
| Pwm channels | 8 |
| Datasheet url | https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/hw-reference/esp32s2/user-guide-saola-1-v1.2.html |
| Operating voltage | 3.3V |
| Model | micropython |
|---|---|
| Flash | usb-serial |
| Attachment | gpio-header |
| Network | wifi, bluetooth |
| MQTT client | umqtt.simple |
| Accelerator | none |
|---|---|
| Usable memory | - |
| Runs an LLM | No |
| Max model | - |
| On-device ML | Yes |
| Key | esp32-s2-saola-1 |
|---|---|
| Status | Draft |
| Revision | 1 |
| Registry | 0.3.0 |
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