I’ve had plenty of requests to make a guide on adding a Bigtreetech ESP-01S WIFI module to SKR boards and TFT touch screens, so here it is. While nowhere near as good as Octoprint, it is very cheap and could be useful. The situation is sure to improve thanks to the developer behind the firmware and web interface.

These steps may be compatible with other ESP8266 hardware but there is no guarantee.

This BTT writer and BTT ESP-01S were sent to me free of charge with an SKR V1.4 Turbo board for the purposes of making this guide. All opinions expressed are my own.

Purchase the BTT writer from Aliexpress: https://s.click.aliexpress.com/e/_dZ0...
Purchase the BTT ESP-01S fromAliexpress: https://s.click.aliexpress.com/e/_dYu...

Purchase the TFT35 E3
Aliexpress: https://s.click.aliexpress.com/e/_d8n...
Amazon: https://s.click.aliexpress.com/e/_dZZ...
SKR Mini E3 + TFT35 E3 bundle from Amazon: https://amzn.to/36xbG3m

Purchase the SKR V1.4 (Turbo):
Amazon SKR V1.4: https://amzn.to/3bcMpyY
Amazon SKR V1.4 Turbo: https://amzn.to/3eh5cuJ
Aliexpress SKR V1.4 and accessories: https://s.click.aliexpress.com/e/_dWq...

Purchase the SKR Pro:
Aliexpress: https://s.click.aliexpress.com/e/_dVR...
Amazon: https://amzn.to/2V49Btu

Resources:
ESP firmware flashing tool: https://drive.google.com/file/d/1yD1r...
ESP firmware /web interface four files: https://github.com/bigtreetech/BIGTRE...
BTT writer manual pdf (for flashing initial firmware to ESP-01S): https://github.com/bigtreetech/BTT-WR...
ESP-01S basic guide pdf: https://github.com/bigtreetech/BTT-WR...
luc-github ESP3D repo: https://github.com/luc-github/ESP3D
luc-github ESP3D-WEBUI repo: https://github.com/luc-github/ESP3D-W...

Other resources:
ESP8266 wiki: https://en.wikipedia.org/wiki/ESP8266

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