Feature:
1. the module is the esp- wroom-32 development board, and the esp- wroom32 parameter characteristic is also the parameter characteristic of the module.
2. 802.11b/g/wifi + bt module.
3. low power dual core 32-bit cpu, which can be used as application processor;
4. the main frequency is up to 240mhz, and the operation capacity is up to 600dmips.
5. support uart / spi / i2c / pwm / dac / adc and other interfaces;
6. support openocd debugging interface;
7. it supports multiple sleep modes, and the current reaches 6.5ua in deep sleep;
8. embedded lwip and freertos;
9. support sta/ap/sta+ap mode;
10. support smart config / airkiss one key distribution network;
11. general at command, easy to use;
12. support local serial port upgrade and remote upgrade (fota).