SAFTY WARNING: DISCONNECT MAINS POWER, WHEN MAINS POWER CONNECTED COVERBOX MUST BE CLOSED!

How to flash Tasmota firmware to Sonoff basic:

I use a FT232RL 3.3v-5v TTL USB Serial Port Adapter.

Solder pin headers onto the PCB.

Imortant: TTL USB Serial Port Adapter must be set to 3.3V and don't connect the Sonoff mains power!

FT232RL Pinout:

Sonoff Pinout:

Connect the Sonoff to the FT232RL.

Download ESPEasy flashtool.

https://github.com/letscontrolit/ESPEasy/releases/

Download Tasmota Firmware, choose release and download the language you prefer.

https://github.com/arendst/Tasmota/releases

Download Termite RS232 Terminal Complete setup version.

https://www.compuphase.com/software_termite.htm

Unpack ESPEasy flashtool, Tasmota firmware and Termite to the same map.

Discover your FT232RL COM-port.

Open Command Prompt.

chgport

 Remember your FT232RL COM-port.

Go to the directory with the ESPEasy flashtool.

FlashESP8266.exe

 Chose the FT232RL Com-port and select the Tasmota flash file.

 

Put your Sonoff basic device into flash mode:

(1)UNPLUG your FT232RL from your computer.
(2)Press and hold the push button on the Sonoff board.
(3)while holding the push button insert the FT232RL in your computer.
(4)After 3 seconds, release the push button.

Now click Flash.

 

Reboot the Sonoff device to Unplug the FT232RL from your USB and re-connect USB.

 Now start

Termite.exe

If your connection doesn't work check in Settings that your COM-port and connection speed:

Serial settings:

Speed: 115200
Data bits: 8
Stop bits: 1
Parity: None
Flow control: None

Hit ENTER

Important: Commands are Case Sensitive

Enter your SSID in my case: sonoff-test

ssid1 sonoff-test

Enter your wifi password in my case: test1234

password1 test1234

Now your Sonoff is connected to your wifi network

Gif your Sonoff a static IP

IP Address in my case 192.168.2.144

IPAddress1 192.168.2.144

Gateway in my case 192.168.2.254

IPAddress2 192.168.2.254

Subnetmask in my case 255.255.255.0

IPAddress3 255.255.255.0

DNS in my case 192.168.2.1

IPAddress4 192.168.2.1

Restart the Sonoff

restart 1

Your Sonoff is ready for use.

Open your browser and connect your Sonoff, in my case 192.168.2.144 (IPAddress1)

http://192.168.2.144

.be