Have you looked for this feature in other issues and in the docs? Is your feature request related to a problem? Please describe. It seems to me that Shelly EM isn't currently supported, even tho it should be using the same ADE7953 chip a
Support for Shelly 3EM · arendst Tasmota · Discussion #13515 · GitHub
Feature request - Shelly 2 LED · Issue #4341 · arendst/Tasmota · GitHub
Support for Shelly EM · Issue #8055 · arendst/Tasmota · GitHub
No Power Measurements on Shelly 2.5 with only 1 connected load · Issue #9692 · arendst/Tasmota · GitHub
Shelly Plus Plug S - ESPHOME - ESPHome - Home Assistant Community
Support for Shelly EM · Issue #8055 · arendst/Tasmota · GitHub
After upgrade to 12.3.1.5 Shelly Plus 2PM shows VEML6070 device · Issue #17810 · arendst/Tasmota · GitHub
Support for Shelly 2 and Shelly 1 ? · Issue #2789 · arendst/Tasmota · GitHub
Shelly EM Phase Calibration · arendst Tasmota · Discussion #16486 · GitHub
Shelly 2.5 + ESPHome: potential fire hazard + fix : r/Esphome
Issue with Shelly 2.5 (on latest Tasmota firmware) with button switch & control light · arendst Tasmota · Discussion #14476 · GitHub