# ESP Wordclock ## Setup Install the firmware on the ESP: The ESP must be set into the bootloader mode, like [this](https://www.ccc-mannheim.de/wiki/ESP8266#Boot_Modi) The firmware can be downloaded with the following script:
cd os/
./flash.sh ttyUSB0
Reboot the ESP, with a serial terminal, format the filesystem with the following command and reboot it:
file.format()
node.reboot()
Then disconnect the serial terminal and copy the required files to the microcontroller:
./tools/initialFlash.sh /dev/ttyUSB0
## Internal Setup * GPIO2 LEDs