Dobrica Pavlinušić's random unstructured stuff

ESP8266: Revision 13

{toc: }

^ links

* http://www.esp8266.com/
* https://github.com/esp8266/esp8266-wiki/wiki
* http://www.electrodragon.com/w/Wi07c
* https://nurdspace.nl/ESP8266

^ pinout

{image: module_v2.png}

* all IO is 3.3V (3.6V max)
* CH_PD i chip-enable and has to be connected to VCC (3.3V)
* RST, GPIO0, GPIO2 should be pulled up to VCC for normal operation (GPIO0 at minumum!)
* GPIO0 pull to ground for firmware update
* make sure that 3.3V VCC power supply can support 300-400mA or there *WILL* be problems!

^ serial port

baud rate 115200

.pre
AT+GMR
00160901

OK

AT+RST

OK

ets Jan 8 2013,rst cause:4, boot mode:(3,7)

wdt reset
load 0x40100000, len 24444, room 16
tail 12
chksum 0xe0
ho 0 tail 12 room 4
load 0x3ffe8000, len 3168, room 12
tail 4
chksum 0x93
load 0x3ffe8c60, len 4956, room 4
tail 8
chksum 0xbd
csum 0xbd

ready

.pre