Huzzah ESP8266 - WiFi module GPIO, ADC, PCB antena - Adafruit 2471

Index: ADA-04601 EAN: 5904422354251

Wi-fi module, based on ESP8266 system. On board are 9 GPIO ports with the support for iSPI I2C, analog input and UART interface. It has NodeMCU software installed which enables the programming using the Lua script language or using the Arduino IDE.

Huzzah ESP8266 - WiFi module GPIO, ADC, PCB antena - Adafruit 2471
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Manufacturer: Adafruit

Description

Wi-fi module based on ESP8266 system. It has uploaded the NodeMCU 0.9.5 build 20150318 (Lua 5.1.4) software which can be programmed using the Lua scripting language. The is equipped with 9 GPIO ports with support for I2C and SPI, analog input. In addition, the board has UART interface which provides programming via USB port using external USB-UARTconverter. Receiver RX tolerates a voltage of 5 V.

 

Read more NodeMCU software details on the GitHub.

 

Module dimensions: 38 x 25 mm, pins pitch is 2.54 mm. The set includes: module and goldpin strap for self-soldering.

 

The product is compatible with Arduino

On the Adafruit, you can findthe user manual along with support forthe Arduino IDE.

 

The Lua Language

Lua is a scripting language that can work independently or as an extension of the capabilities of other applications. It was implemented as a library of C language. It features a simple code, high performance and the possibility to transfer between platforms. Details onthe home page of Lua.

 

Pins

 

Pin Description
TX The Pin of the UART transmitter, it works with a voltage of 3.3 V.
RX The Pin of the UART receiver, it tolerates a voltage of 5 V.
V+ Adjustable supply voltage from 3 V to 12 V.
VBat

Adjustable supply voltage from 3 to 12 Volts (for battery connection, for example, LiPol or AA).

GND The ground of the system.
3B Output of 3.3 V.
And Analog input (maximally 1.8 V).
RST Reset of the system, it tolerates a voltage of 5 V.
EN

Pin Enable for ESP8266. By default, in the high status. Indicating the low status, resets the system. It works with a voltage of 3.3 V.

GPIO

0, 2, 4, 5,

12,13, 14, 15,16

GPIO pins at the user disposal. They work with a voltage of 3.3 V, the maximum current of each pin is 12 mA.

 

Specification

  • Supply voltage: 3 V to 12 V
  • The module is based on ESP8266 system
  • The number of GPIO pins: 9
  • I2C and SPI interfaces support 
  • UART interface support:
    • RX - it tolerates the voltage of 5 V
    • TX - it operates with a voltage of 3.3 V
  • 1 analog input supports the voltage of 1.8 V
  • The Reset button
  • The user button that is also used to enter into the bootloading mode
  • Built-in PCB antenna
  • Pins pitch: 2.54 mm
  • The module has goldpins for self-soldering
  • Module dimensions: 38 x 25 mm

 

UC - Microcontroller ESP-8266
Package width 6.6 cm
Package height 0.5 cm
Package depth 8.5 cm
Package weight 0.008 kg

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