https://gingineers.com/tags/flashing/ Recent content in Flashing on Gingineers Hugo en-gb Tue, 14 Apr 2026 00:00:00 +0000 https://gingineers.com/posts/sonoff-esphome-flashing/ Tue, 14 Apr 2026 00:00:00 +0000 https://gingineers.com/posts/sonoff-esphome-flashing/ How to flash Sonoff S20, S26R2 and SV smart plugs with ESPHome firmware using a USB to serial adapter. Get your Sonoff devices off the cloud and onto fully local control.