ESP8266 serial WIFI wireless module: Difference between revisions

From Federal Burro of Information
Jump to navigationJump to search
No edit summary
Line 59: Line 59:


  +site:hackaday.com esp firmware
  +site:hackaday.com esp firmware
* step by step firmware: http://blog.randypatterson.com/esp8266-firmware-updates-and-options/

Revision as of 19:57, 16 October 2015

picked up 3 3.3 v versions of these. It's been fun trying to get them to work.

1. the 3.3v fdti seems to be 5v

2. the firmware seems bust: 

<Crazy garbage characters>
Ai-Thinker Technology Co. Ltd.

invalid

then I enter: 

AT+RST

and get 

ERROR

going to try and find an updated firwmare and flash it.

---

time passes, I enter , stage left.

I found the firware on a dodgey looking site. http://arduino-er.blogspot.ca/2015/05/flash-esp8266-firmware-using-esptoolpy.html 

python esptool.py -p /dev/ttyUSB0 write_flash 0x000000 "AI-v0.9.5.0 AT Firmware.bin"

Had to make sure that ch_pd was to ground and gpio_0 was high ( vcc) 

setserial -g /dev/ttyUSB0
/dev/ttyUSB0, UART: unknown, Port: 0x0000, IRQ: 0, Flags: low_latency

screen /dev/ttyUSB0

and now I get much better results: 

AT

OK
AT+RST

OK


Links

google searches of note: 

+site:hackaday.com esp firmware
Retrieved from "https://wiki.quadratic.net/index.php?title=ESP8266_serial_WIFI_wireless_module&oldid=2649"