updatee

esp-alexa-relay/relay-a/README.md

@@ -10,6 +10,11 @@ out of the box with no module modification (outside custom ESP code).
 - Finally, many knock-offs of this board exist. One idenitifcation of a knock-off is a continual LED flashing on the module
 but the relay code does not work. There is a very [in-depth conversation](https://www.esp8266.com/viewtopic.php?f=160&t=13164) about this, as well as all over the rest of the internet. There is a fix to [flash the onboard-mcu (STC15F104W)](https://www.esp8266.com/viewtopic.php?f=160&t=13164&start=68#p74262). The referenced HEX code there does not appear to work, but another user posted an [updated version](https://www.esp8266.com/viewtopic.php?f=160&t=13164&start=96#p81907) that does work. Additionally, you can follow that thread on how to modify the board (remove the micrcontroler, solder some jumpers) and control it with one of the GPIO - this process is hard for the novice solderer.
 
+    - To flash using [STCGAL](https://github.com/grigorig/stcgal) 
+     ```
+     stcgal -D -p /dev/tty.usbserial-1410 -P stc15 -t 11057 -b 1200 /path/to/file.hex
+     ```
+
 
 ## Prerequisites