ESP 01 Relay Telegram

ESP 01 with relay control via Telegram (electric locks, car heating), design in Arduino.

1 – Smartphone /tablet with Telegram (client)
2 – Telegram (service)
3 – ESP01 with relay

The relays turns on and off via Telegram.
Configuration (duration of activation, activation command, telegram token, etc.) via the browser.
The example is very simple, as an independent application it can be used, for example, to remotely turn on the car heating in winter or for remote opening of an electric lock (it can be used in parallel with an existing intercom, for example, if you forgot the key).
It can also be used in conjunction with the Raspberry PI doorbell in conjunction with Node-Red -> HTTP to open the electric lock.