Wemos S2 Mini

Specifications

• Weight: 2.4 grams
• Dimensions: 34.3 x 25.4 mm
• Wifi: 802.11 b/g/n
• Clock Frequency: 240MHz
• Core Count: 1
• Rom: 128kB
• Sram: 320kB
• Psram: 2MB
• Flash: 4MB
• Usb: Type-C 2.0
• Voltage: 3.0V - 3.6V
• Operating Temp: -40 to 85 °C

Description

The Wemos S2 Mini adds an ESP32-S2 single core microcontroller to your connected projects, enabling WiFi, Bluetooth and high speed processing in a compact form factor that can be easily integrated.

Provides WiFi, Bluetooth and processing power

The on-board ESP32-S2 chip contains a single 32-bit CPU core running at up to 240 MHz, with support for WiFi 802.11b/g/n and Bluetooth 5.0. With 320KB RAM and 4MB flash memory, it has enough power for many IoT applications.

Extremely compact design

Measuring just 25.4 x 34.3 x 3.5 mm and weighing 2.4 grams, the S2 Mini has a tiny footprint and can fit into the tightest spaces. The design includes castellated pads for easy soldering.

Works with Arduino and MicroPython

Programmable using Arduino IDE or MicroPython firmware. All common input/output interfaces are broken out to headers and the board can be powered via USB Type C.

Ideal for sensors and automation

With its small size, wireless connectivity and processing capabilities, the Wemos S2 Mini is perfect for wireless sensor nodes, home automation, robotics and other embedded IoT products.

Resources

Documentation

• Official Wemos Documentation

Datasheet

• ESP32-S2 Datasheet

References

• Official Dimensions
• Official Schematic

Reviews