Today I have got luck flashing Espurna to sonoff basic relays. Espurna works great. :!: And you know it works "out of the box" with Amazon Alexa just need to set up names of your relays, wifi and thats it. I must worn you that flashed and setted up relays must be left for a while to settle...

Hi everyone, I have the same issue discussed here. I have tried a lot of things and firmwares with no luck. I just want to add that firmwares Tasmota or Espeasy is not working on my sonoff basic device except this one: https://youtu.be/lZOYQSDSoJw This is Russian one but there in description is link...