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Installing micropython on the clock

Prerequisites

  1. Make sure python is installed on your computer
  2. Install esptool 
    pip3 install esptool
  3. Install ampy 
    pip3 install ampy

Find out which port the clock is connected do

Windows

  1. Check in Device Manager under "Ports (COM & LPT)" for the serial converter of the ESP8266 (typically CH340)

MacOS

  1. Run ls /dev/cu.*
  2. Connect textclock to computer.
  3. Run ls /dev/cu.* again and look for the newly created device, this is a serial port to the textclock.

Installing the micropython firmware

Read Installing micropython for details

  1. Download firmware for ESP8266 with 2MiB+ flash
  2. esptool.py -p <PORT> erase_flash
  3. esptool.py -p <PORT> write_flash -flash_size=detect 0 esp8266-20220117-v1.18.bin

Installing or updating the software

Windows

  1. Edit upload.bat and set AMPY_PORT to the correct device from "Find out which port the clock is connected do"
  2. Run upload.bat

MacOS/Linux

  1. Edit upload.sh and set AMPY_PORT to the correct device from "Find out which port the clock is connected do"
  2. Run ./upload.sh

configure wifi

MacOS

  1. Create a file called wifi.dat, containing:
SSID-Name;WifiPassword

replace SSID-Name with your wifis SSID and WifiPassword with the password for it. Make sure there's only a \n line-ending or none at all. 2. Run ampy -d 1 -p /dev/cu.<name_of_the_device_from_prerequisites_step_5> put wifi.dat 3. Restart the clock by pressing reset, or turning it off and on again 4. Clock should now get the time through your wifi.