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Arduino UNO Compatible wifi board based on ESP8266EX
-
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Overview
Arduino UNO Compatible WIFI board based on ESP8266EX
Arduino UNO Compatible WIFI board based on ESP8266EX
Features:
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11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except for D0)
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1 analog input(3.2V max input)
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Micro USB connection
- Power jack, 9-24V power input.
Pin:
|
Function |
ESP-8266 Pin |
TX |
TXD |
TXD |
RX |
RXD |
RXD |
A0 |
Analog input, max 3.3V input |
A0 |
D0 |
IO |
GPIO16 |
D1 |
IO, SCL |
GPIO5 |
D2 |
IO, SDA |
GPIO4 |
D3 |
IO, 10k Pull-up |
GPIO0 |
D4 |
IO, 10k Pull-up, BUILTIN_LED |
GPIO2 |
D5 |
IO, SCK |
GPIO14 |
D6 |
IO, MISO |
GPIO12 |
D7 |
IO, MOSI |
GPIO13 |
D8 |
IO, 10k Pull-down, SS |
GPIO15 |
G |
Ground |
GND |
5V |
5V |
- |
3V3 |
3.3V |
3.3V |
RST |
Reset |
RST |
All of the IO pins have interrupt/pwm/I2C/one-wire support except D0
All of the IO pins run at 3.3V.
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