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This is an expansion board for the ESP-01S WiFi module, compatible with the breadboard.
You can directly plug the ESP-01S module according to the arrow silk-screen onto the board, and plug them into the breadboard.
The ESP-01S module adapter board allows easy connection for experiments through the breadboard plug.
After power-on, the module is in BOOT flash mode, and the AT command test can be directly performed.
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