Arduino · ESP32
Arduino Nano ESP32
An ESP32-S3 in the classic Nano shape, with Arduino's friendly pin names and official MicroPython and Arduino Cloud support.
Wi-FiBLE3.3 V logicBreadboard
Typical price
$21
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Specifications
| Maker | Arduino |
|---|---|
| Chip | u-blox NORA-W106 (ESP32-S3) |
| CPU | Xtensa LX7 dual-core |
| Clock speed | 240 MHz |
| Wi-Fi | Wi-Fi 4 (802.11 b/g/n) |
| Bluetooth | Bluetooth 5 (LE) |
| Zigbee / Thread radio | No |
| GPIO pins | 21 usable |
| ADC | 8 channels, 12-bit |
| DAC | None |
| Flash | 16 MB |
| RAM | 512 KB + 8 MB PSRAM |
| Logic level | 3.3 V |
| Power input | 6–21V VIN / 5V USB-C |
| Deep sleep (typ.) | ~100 µA |
| Active current (typ.) | ~90 mA |
| Form factor | Breadboard |
| USB | USB-C (native) |
| Programming | Arduino C++, MicroPython, ESP-IDF |
| Released | 2023 |
Typical values. Sleep current is approximate; whole-board numbers are higher than the bare chip's datasheet figure.
Pros
- ESP32-S3 power with Arduino-style pin names
- Official MicroPython and Arduino support
- Native USB-C and plenty of flash
Cons
- 3.3 V only — not a drop-in for 5 V Nano shields
- Costs more than generic ESP32-S3 boards
- Pin-mapping differs between Arduino and ESP-IDF code
Best use cases
- 01Upgrading a Nano project to Wi-Fi
- 02MicroPython in the Arduino ecosystem
- 03Arduino Cloud IoT devices
- 04Education kits
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