I hacked Antela F1s203-EU smart plugs (sold as "Workzone Smarter WLAN Zwischenstecker" by ALDI Nord in Germany):
https://github.com/haemka/OpenBK7231-Antela-F1s203-EU
GitHub - haemka/OpenBK7231-Antela-F1s203-EU: [OpenBK7231] Antela F1s203-EU
[OpenBK7231] Antela F1s203-EU. Contribute to haemka/OpenBK7231-Antela-F1s203-EU development by creating an account on GitHub.
hɐəmkɑ