Uploading the firmware happens in two parts on the Echo. At this point, your Arduino and screen should be connected, with the Arduino powering the screen and sending data to it through pins 18 and 19.
Please visit https://shakeprint.com/downloads/
January 5th, 2021 – Unfortunately this flashing method does not appear to be working for new installations of the firmware. Please use the SD card method for flashing new display firmware for now. We are working on a solution. Thanks very much.
Note: This is a brand new method of getting the firmware onto the display. If you have trouble with it, please contact us to provide feedback and seek assistance. If you wish, you can also use the microSD method of uploading the display firmware. Thank you for helping us to make the Echo better!
The second way to flash the display firmware is to use a microSD card in the included SD card slot of the display. To do that, you will need the following:
Please follow the instructions in the video below and written steps:
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