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Tasmota is an alternative firmware for ESP boards  that provides a wealth of handy features, and [Mat] has written up a guide to flashing with far greater ease by using Tasmotizer. Among other things, it makes it simple to return your ESP-based devices, like various Sonoff offerings, to factory settings, so hack away!

Tasmotizer is a front end that also makes common tasks like backing up existing firmware and setting configuration options like, WiFi credentials, effortless. Of course, one can’t really discuss Tasmotizer without bringing up Tasmota, the alternative firmware for a variety of ESP-based devices, so they should be considered together.

Hacks based on Sonoff devices are popular home automation projects, and [Mat] has also written all about what it was like to convert an old-style theromostat into a NEST-like device for about $5 by using Tasmota. A video on using Tasmotizer is embedded below, so give it a watch to get a head start on using it to hack some Sonoff devices.