RS232 over WIFI

Tools needed

• https://github.com/jeelabs/esp-link

Application for the esp8266 to have a bridge to the device

Flashing: https://github.com/jeelabs/esp-link/blob/master/FLASHING.md

esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash -fs 4m -ff 40m \
    0x00000 boot_v1.5.bin 0x1000 user1.bin \
    0x7C000 esp_init_data_default.bin 0x7E000 blank.bin

• platformio configuration

‎

upload_port = socket://192.168.2.253:23
monitor_port = socket://192.168.2.253:23