![]() ![]() For details on connecting an Arduino see Arduino to ESP8266 By Serial Communication. I have used an Arduino and also an FTDI serial adaptor to talk to the ESP8266. – CWMODE =2 (functions as an access point and therefore broadcasts on start) – SSID = ESP_xxxxx (will be a hexadecimal number) The defaults for the devices I purchased are: This meant I went through a lot of trial and error. Most current guides say the baud rate is 115200 or 57600 (mine are 9600) and they fail to mention you need to pull CH_PD HIGH (10K resistor to 3.3V). A lot of the guides online are a bit sparse and many have conflicting information. Initially had trouble getting them to work. And the same module could have one of several firmwares. There seems to be quite a few different versions of similar modules. ![]() This is a custom firmware from ai-thinker. When first started they identify themselves as and are version 018000902-AI03. These, I believe, are version 2 and have the LEDs near the antenna. Just started to play with the ESP8266-01 modules. ![]()
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