# Flash Shelly Relays with Tasmota or ESPHome Using VoltLink

> Use the VoltLink CP2102N with its optional Shelly programming adapter to safely flash Tasmota or ESPHome firmware onto Shelly relays without mains power, powering them via USB during the process.

## Details

- **Difficulty:** beginner
- **Project Type:** tutorial
- **Devices:** voltlink-cp2102n
- **Firmware:** tasmota, esphome
- **Use Cases:** smart-home, programming
- **Links:** Blog Url: https://www.voltlog.com/tag/flashing-shelly-tasmota/

## Tags

`shelly`, `tasmota`, `esphome`, `firmware-flashing`, `smart-home`, `home-assistant`

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