Wemos LOLIN S3 Mini (ESP32-S3)
Compact WiFi & Bluetooth 5 LE development board based on the ESP32-S3FH4R2. Compatible with LOLIN/D1 Mini shields, USB-C, 4 MB flash, 2 MB PSRAM, and MicroPython as default firmware.
€9.95
Tax included
The LOLIN S3 Mini is a tiny ESP32-S3 development board in the familiar Wemos/LOLIN Mini form factor. With WiFi, Bluetooth 5 LE, USB-C and stackable Mini shields it is ideal for IoT, sensor and TinyML projects.
Features
- Based on ESP32-S3FH4R2 (dual-core up to 240 MHz)
- 2.4 GHz Wi-Fi
- Bluetooth LE 5
- 4 MB flash
- 2 MB PSRAM
- Up to 27 I/O pins
- 1× RGB LED (IO47)
- ADC, DAC, I2C, SPI, UART, USB OTG
- Compatible with MicroPython, Arduino and ESP-IDF
- Default firmware: MicroPython
Technical specs
| Operating voltage | 3.3 V (5 V via USB-C) |
| Digital I/O | 27 |
| Clock speed | 240 MHz |
| Flash | 4 MB |
| PSRAM | 2 MB |
| Size | 34.3 × 25.4 mm |
| Weight | 3 g |
Documentation and pinout: wemos.cc – S3 Mini.
Compact WiFi & Bluetooth 5 LE development board based on the ESP32-S3FH4R2. Compatible with LOLIN/D1 Mini shields, USB-C, 4 MB flash, 2 MB PSRAM, and MicroPython as default firmware.