- download software from espressif website, here is the link
https://www.espressif.com/en/support/download/other-tools - open the software , you need choose esp8266 , the setting is below
How to connect esp8266 01s to DIYmall UNO R3 (compatible with arduino)
Today, we will learn how to connect esp8266 01s to uno r3 and send AT command
Here is the connection:
uno r3 breadboard esp-01s
3.3V red line
GND blue line
RESET blue line
RXD RXD
TXD TXD
blue line GND
red line VCC
Once you finish connection, it will like this
Then you can open arduino IDE, Tools—-serial monitor to open the window , the default baud rate is 115200, please choose 115200 and Both NL & CR
Type AT in the message field and press enter and you will get OK response
Any question please feel free to contact
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