Building a Shelly 2.5 USB to TTL adapter cable

When you want to flash your Shelly 2.5 with anything but the original firmware for the first time, you

Question about the Shelly 2.5 GPIO connector · Issue #5652 · arendst/Tasmota · GitHub

VoltLink is a Type-C USB to serial adapter & programmer for ESP32 devices with auto-reset functionality

VoltLink CP2102N USB Serial Adapter & Programmer by Voltlog on Tindie

Smart 3-way Switching with Tasmota Device Groups

USB to Serial TTL : 3 Steps - Instructables

Fixing Connection Issues by Flashing ESPHome on Shellys OTA! : r/homeassistant

Question about the Shelly 2.5 GPIO connector · Issue #5652 · arendst/Tasmota · GitHub

My Blog Setting up the Shelly 2.5 WIFI Relay for installation

RS232 USB to Serial TTL Adapter Module - USB to Serial PL2303HX PL2303

Shelly - Kamami on-line store

How to Make USB TO TTL(Serial) CONVERTER, Jlcpcb

Delock Products 84957 Delock Converter USB 2.0 male > TTL 6 Pin WR-WTB 2,2 m (3,3 V)

Shelly Blu Gateway - USB WiFi Gateway - Bluetooth Botland - Robotic Shop

VoltLink is a Type-C USB to serial adapter & programmer for ESP32 devices with auto-reset functionality

VoltLink CP2102N USB Serial Adapter & Programmer

DSD TECH USB to TTL Serial Converter CP2102 with 4 PIN Dupont Cable Compatible with Windows 7,8,10,Linux,Mac OSX : Electronics

Start programming your shelly without hassle - enjoy the SPA!

SPA - Shelly(R) programming adapter