FAQ - Threetwosevensixseven/espupdate GitHub Wiki
What is ESP Update?
ESP Update is an ESP8266-01 in-circuit firmware updater for the ZX Spectrum Next™.
How do I update the ESP-01 firmware from my Next?
You can update your ESP-01 firmware without opening up the case of your Next. See this tutorial for details.
How is ESP Update licensed?
ESP Update is copyright © 2020 Robin Verhagen-Guest, and is licensed under Apache-2.0.
ZX Spectrum Next is a trademark of SpecNext Ltd.