Based on the ESP_IOT_SDK 1.4 version, using c language. After multiple versions of iteration, the reliability is high, the function is rich. The firmware is open and free to use.
- Support Web Configure.
- Support AT Command.
- Support UDP discovery.
- Compatible with nodemcu development board, esp8266 Arduino development board.
- Serial parameters can be set: baud rate, data bits, parity bit and stop bit
- Station (STA) mode can be set to: enable / disable STA mode, wireless router SSID, password, DHCP enabled client function, custom IP, subnet mask, gateway address etc.
- Network parameters: can set up TCP server / client, UDP server / client. Remote server address to support DNS domain name
http://en.doit.am/doit_esp_wifi_serial.zip