Re: Connecting ESP8266-12 vs. ESP8266-01 via USB2TTL
Posted: Thu Jun 04, 2015 2:06 pm
j0hncc wrote:Doesn't that LED plus resistor on GPIO02 cause the unit to boot in the wrong mode?
Yes, they should go to Vcc, not to GND.
-->
Open Community Forum for ESP8266, Come share Arduino and IoT (Internet of Things)
https://www.esp8266.com/
j0hncc wrote:Doesn't that LED plus resistor on GPIO02 cause the unit to boot in the wrong mode?
HermannSW wrote:Just learned that GPIO2 is related to boot mode, and needs to be pulled high:
http://www.esp8266.com/viewtopic.php?f=13&t=1730&start=10
Is that only true for EDP8266-12, or for ESP8266-01 as well?
Both devices work fine for me (flashing and running) without GPIO2 connected at all ...