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User Guide (Version 2.2) of the
SiRad Simple® Evaluation Kit
- 31 -
Find and install the esptool in the Firmware folder of the provided Install Package. Copy the
firmware from the ‘Firmware\WiFi_Module\websocket_mini’ folder of the Install Package into the
esptool folder. Edit the batch file esptool.bat and replace the COM port with the COM port of your
USB to UART cable and the firmware name with the desired firmware, marked here:
esptool -bz 1M -cp
COMx
-cf
websocket_mini.ino.generic.bin
Run the batch file and the WiFi module gets programmed, indicated by a flashing blue LED. After
about 40 seconds programming is finished. Switch the DIP switch called WP back to the OFF
position and connect a jumper between MT and WR and MR and WT.