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Browser-based

Instructions to onboard your DIY miner using the ESP Tool web interface

Prerequisites​

  • A web browser
  • 2.4GHz WiFi connection
  • Android or IOS phone

MAKE SURE YOUR USB CABLE IS A DATA CABLE. MANY USB CABLES ARE POWER ONLY CABLES AND WILL NOT WORK FOR PROGRAMMING OR MONITORING!!!​

Guide​

Step 1: Download your firmware​

  • Download the firmware binary and note its location in your filesystem
    • The filename will look something like ***.bin where *** is unique to you

Step 2: Connect to computer​

  • Use a cable to connect your board to the USB port of your computer
    • Boards have one or two USB connectors; on boards with two, either will work

Step 3: Open the browser​

Step 4: Connect to the serial port​

  • You may need to install a driver to allow the board to communicate with your computer

    • Instructions are here

  • Under "Program", click Connect

    • Leave the baud rate set to 115200

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  • Select the COM port corresponding to your device
    • If there are multiple options and you do not know which one to choose:
      • Close the dialog window and disconnect your board
      • Click on Connect and note which port disappeared
      • Close the dialog window and reconnect the board

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  • After connecting, the console will display information that you have succesfully connected

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Step 5: Erase the flash​

  • Under "Program", click on Erase Flash

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  • The console screen will provide some information:

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  • The operation should complete quickly:

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Step 6: Flash your device​

  • Set the flash address from the default 0x1000 to 0x0000

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  • Click on Choose File and select your firmware file from Step 1

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  • Click on Program
    • The console should output something like the following:

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  • Click on Disconnect

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Step 7: Verify that everything works​

  • Under "Console" on Start

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  • Select the same port as in Step 4
  • Click on Connect and then Reset
  • If successful, the console should show something like the below:

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  • In the following steps, you may leave the console connected to monitor the firmware

Step 8: Connect to WiFi [ESP32 boards only support the 2.4GHz band]​

  • Download an ESP WiFi config app from your app store

  • Connect your phone to your WiFi access point

  • Open the app and share the password with the device

Step 9: Set it and forget it​

  • Monitor the device using the serial console for as long as you like

  • Disconnect and plug the device to a 5V power source

    • Any USB adapter should work
    • Average current draw will be about 20mA, spiking to about 0.5A when connecting to WiFi, i.e., the power consumption is about 0.1W