Minimal version of firmware similar to OpenLog which allows to log serial data on SD cards. The difference is that this firmware and hardware combination allows logging with speed up to 500kbps.
- Arduino IDE 2.2.1
- ESP8266 Arduino 3.1.2 SDK installed from github (see using git version chapter)
- WeMos D1 mini board or even any ESP-12E
- WeMos SD card sield
Put config.txt file in root directory of sd card. If not exists, it will be created with default configuration
115200
baud