Based ESP32-S2FN4R2 WIFI IC. Type-c USB<br> 27 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported ADC, DAC, I2C, SPI, UART, USB OTG<br> Compatible with shields<br> Compatible with for MicroPython, for and for ESP-IDF<br> Default firmware: for MicroPython<br> Technical specs:<br> Operating Voltage: 3.3V<br> Digital I/O Pins: 27<br> Clock Speed: 240MHz<br> Flash: 4M Bytes<br> PSRAM: 2M Bytes<br> Size:34.3 x 25.5mm<br> color:Purple<br> Material:PCB<br> Package Contents:<br> 4 x S2 Mini Development Board<br> Only the above package content, other are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store