Arduino UNO WiFi R3 ATmega328P + ESP8266 8Mb USB-TTL CH340G Development Board

Arduino Uno R3 WiFi ATmega328P+ESP8266 8Mb USB-TTL CH340G Development Board for Arduino
Description:
The Arduino Uno WIFI Board with ESP8266. The Arduino Uno Wi-Fi is the same as an Arduino Uno Rev3 but with an integrated Wi-Fi module! The board is based on the ATmega328P with an ESP8266 Wi-Fi Module integrated (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.

The ESP8266 Wi-Fi Module is a self contained SoC with integrated TCP/IP protocol stack that can give access to your Wi-Fi network. (Or the device can act as an access point.) One useful feature of Uno Wi-Fi is support for OTA (over-the-air) programming, either for transfer of Arduino sketches or Wi-Fi firmware.

Features:
Chip CH340G – is a budget solution. When you work in the frequency 12Mhz, giving a stable result of data exchange (need install drivers to computer).
Uno R3 CH340G/ATmega328 – connects to the computer via micro USB cable (used for almost all Android smartphones).
You can supply power to the board through a MicroUSB connector or DC power socket.
The voltage regulator (LDO) can deal with incoming voltage from 6V to 12V DC.
The convenient solution for the development of new projects requiring Uno and WiFi

Specifications:
Arduino (Atmel ATMega328P MCU)
ESP8266 built-in module
Arduino part
MCU – Atmel ATmega328 8-bit AVR MCU @ 16 MHz with 32 KB flash Memory, 2KB SRAM, 1KB EEPROM
Digital I/O pins – 14, with 6 PWM and UART
Analog Input Pins – 6
DC Current per I/0 – 40 mA
Misc – Reset button
Operating Voltage – 5 V
ESP8266 part
SoC – Expressif ESP8266EX Tensilica Xtensa LX106 processor @ 80 MHz
Storage – 4MB SPI flash
Connectivity – 802.11 b/g/n WIFI @ 2.4 GHz, wake up time < 2 ms; Antenna: PCB and IPX Misc – Bootloader button, WIFI LED Operating Voltage – 3.3 V Common specs USB – 1x USB device port Input Voltage – 5-12 V via DC jack, Vin or USB port (5V only) Power Consumption – 130 mA (sleep mode 80 mA) Dimensions – 68.5 x 53 mm Weight – 28 grams More info & typical usage Arduino Uno Wi-Fi board will come pre-uploaded with the Rest Server sketch that allows you to control the board via your web browser using the URL: http://192.168.240.1/arduino///, where digital or analog let you select the IO type, GPIO the pin number, ON_OFF is either 1 or 0 for on or off, and INPUT_MODE is either input or output. Some examples:

/Arduino/digital/13/1 – Sets GPIO 13 to high
/Arduino/digital/13 – Reads the value on GPIO 13
/Arduino/analog/2 – Reads Analog pin 2 value
/Arduino/mode/13/input – Set GPIO 13 to input
Packages Include:
1 × Arduino Uno WIFI Board with ESP8266

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