Serris’ Status Update for 2/22/20

  • Debugging to get connection with NodeMCU
    • Server was not recognizing the board as an ESP8266 and couldn’t connect to the board to flash the firmware
    • Tried in Arduino IDE with the ESP8266 community board manager (also tried different versions)
    • Tried with other applications to flash firmware  (i.e. PyFlasher, Micropython) but was still timing out
    • Not working with motor controller so I tried uploading just basic code to the ESP8266 board
  • Thought it was a toolchain issue and started testing with different software tools
    • CP210x USB to UART bridge: tested the serial port with different versions to ensure tools were compatible
    • Since the board is made from Espressif System, tried their built-in toolchain (ESP8266_RTOS_SDK) but wasn’t working
  • New NodeMCU parts came and tested on those
    • Realized it was a chip issue and uploading code works fine now
    • Able to get code uploaded
    • Working on controlling motor direction and speed but running into inconsistencies
  • TODOs:
    • Finalize schematic between motors, ESP8266, L298N motor controller, battery
    • Control direction and speed
    • Connect and control through WiFi

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