1. Working voltage: 3.3V

2. Digital I/0 pins: 27

3. Clock speed: 240MHz

4. Flash: 4M bytes

5. Static random access memory: 2M bytes

Features

1. Based on ESP32-S2FN4R2 WIFI lC

2. Type-C USB

3. 27 digital input/output pins, all pins support interrupt/pwm/l2C/single wire

4. ADC, DAC, 12C, SPI, UART, USB 0TG

5.Compatible with D1 mini shields

6.Compatible with MicroPython, Arduino and ESP-IDF