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ESP8266 Shield
Product Details
Built-in 5V to 3.3V TTL level shifter prevents high voltage TTL levels from harming the WiFi module
Onboard 3.3V regulator to provide ample stable power to ESP8266.
The onboard 4 LEDs show the status of the ESP8266, which are PWR, DFU, AP, STA, and the operation mode is clear at a glance.
Note: Please disconnect from Arduino when you need to upload sketch to Arduino.
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