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

Start programming your shelly without hassle - enjoy the SPA!

SPA - Shelly(R) programming adapter

I have a great idea! I'll buy an RS-232 to USB adapter and a separate null-modem cable! Much more versatile. No way I'll lose one of them : r/homelab

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

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

Tasmota: Flashing and setup a Shelly 2.5

Start programming your shelly without hassle - enjoy the SPA!

SPA - Shelly(R) programming adapter

USB cable with a 4-pin magnetic connector + socket - Kamami on-line store

eeepc, android x86, external GPS

Shelly Wall Display - Hardware - Home Assistant Community

Shelly Plus 2PM

USB to Serial TTL : 3 Steps - Instructables

VoltLink CP2102N USB Serial Adapter & Programmer from Voltlog on Tindie

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

T-Relay-8 - An ESP32 board with 8 relays - CNX Software