UNO R3 ESP8266 Serial WiFi Shield Extend Board for Arduino
Product Description
Product Description
1. Support PWM / interrupt / serial / I2C scalable GPIO
2. The firmware update can be customized by expansion board
3. Without USB to TTL converter
4. A key to enter the brush write mode, without any wiring
5. Standard pin interface to achieve full compatibility with the pitch Uno, Mega and so on
6. 3.3V power supply using advanced chip
7. It leads to a WiFi module power supply interface to facilitate developers to extend the power supply and maintenance
8. Onboard ESP8266-12 stable industrial grade serial WiFi module, uses an enhanced PCB antenna, signal better
9. You can quickly switch DIP switch ESP8266-12 industrial grade WiFi stable operation mode module, integrated serial chip, quickly flashing the firmware
10. Built-in 5V to 3.3V TTL level converter to prevent high-pressure TTL level of the WiFi module damage
11. Onboard ESP8266-12 stable industrial grade WiFi module with a metal shield, immunity to interference
12. Uses stackable design
13. Onboard four LEDs display the status of ESP8266, namely PWR, DFU, AP, STA, operation mode at a glance
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