Embedded Files
All operations on module are done with 230V disconnected !!!
All operations on module are done with 230V disconnected !!!
Pin soldering
Pin soldering
Follow the tutorial on pin soldering on https://github.com/arendst/Sonoff-Tasmota/wiki/Sonoff-S26-Smart-Socket
You'll need a FTDI TTL-232R-3V3 - USB cable for futher operations
Download Tasmota
Download Tasmota
- Download the latest Tasmota release sonoff.bin from https://github.com/arendst/Sonoff-Tasmota/releases
Install esptool.py
Install esptool.py
(https://github.com/espressif/esptool)
[Install python 3.7.x if you have not already]
#In a cmd shell : pip install esptoolEsptool uses the serial interface to communicate with your device. On Windows these interfaces are named COM1, COM2 etc. On Linux these interfaces are called /dev/ttyUSB0, /dev/ttyUSB1 etc.
Before using Esptool make sure you know to which serial interface name your device is connected to.
In the following commands I use COM37 as an example.
Bringing the Module into Flash Mode
Bringing the Module into Flash Mode
- Disconnect serial programmer and power
- Press and hold the on-board button
- Connect the serial programmer (VCC, RX, TX, GND). Care the inverted RX/TX, refer to soldering instructions
- Release the on-board button
The blue LED should NOT be blinking when in Flash mode.
Backup firmware
Backup firmware
Backup the current firmware with the following command:
esptool.py --port COM37 read_flash 0x00000 0x100000 original_sonoff_s26_1M.bin esptool.py v2.6Serial port COM37Connecting....Detecting chip type... ESP8266Chip is ESP8266EXFeatures: WiFiMAC: 84:f3:eb:93:d5:ceUploading stub...Running stub...Stub running...1048576 (100 %)1048576 (100 %)Read 1048576 bytes at 0x0 in 99.7 seconds (84.2 kbit/s)...Hard resetting via RTS pin...NOTE: When the command completes the device is out of firmware upload mode!
Erase firmware
Erase firmware
esptool.py --port COM37 erase_flash esptool.py v2.6Serial port COM37Connecting....Detecting chip type... ESP8266Chip is ESP8266EXFeatures: WiFiMAC: 84:f3:eb:93:d5:ceUploading stub...Running stub...Stub running...Erasing flash (this may take a while)...Chip erase completed successfully in 0.0sNOTE1: When the command completes the device is out of firmware upload mode!
Upload firmware
Upload firmware
Load the downloaded Tasmota firmware file sonoff.bin with the following command:
Copy sonoff.bin to esptool.py directory (as example : C:\Program Files (x86)\Python37-32\Lib\site-packages)
esptool.py --port COM37 write_flash -fs 1MB -fm dout 0x0 sonoff.binesptool.py v2.6Serial port COM37Connecting....Detecting chip type... ESP8266Chip is ESP8266EXFeatures: WiFiMAC: 84:f3:eb:93:d5:ceUploading stub...Running stub...Stub running...Configuring flash size...Compressed 534032 bytes to 365310...Wrote 534032 bytes (365310 compressed) at 0x00000000 in 34.1 seconds (effective125.3 kbit/s)...Hash of data verified. Leaving...Hard resetting via RTS pin...NOTE1: When the command completes the device is out of firmware upload mode!
NOTE2: For a proper device initialization after first firmware upload power down and power up the device.
Configure wifi :
Configure wifi :
(https://github.com/arendst/Sonoff-Tasmota/wiki/Button-Usage)
4 short presses: Start Wifi manager providing an Access Point with IP address 192.168.4.1 and a web server allowing the configuration of Wifi.
The LED will blink during the config period.
A single button press during this period will abort and restart sonoff.
Connect to the wifi sonoff-xxxx and browse http://192.168.4.1 and enter your router wifi ssid and password
Connect to your router wifi and retrieve ip from connected devices (or use zenmap)
Browse to http://your_device_ip
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