807409 WBOARD EX - WiFi Arduino Compatible Board

WBOARD EX - WiFi Arduino Compatible Board

WBoard EX e' basata sul chip della Leonardo ATmega32U4. Equipaggiata con un modulo WiFi, un socket per il modulo radio nRF24L01, una scheda SD eun modulo XBee.
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Prezzi IVA inclusa
€ 45,64 Prezzo
€ 37,41 + VAT

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Dettagli

WBoard EX is a unique Arduino board with WIFI module, XBee socket, nRF24L01 + module interface, micro SD card interface, electronic brick interface and ATmega32U4 chip. WBoard EX boot procedure is based on Arduino Leonardo. With WIFI module, the board can achieve wireless communication with TCP / IP protocol. Via XBee and nRF24L01 + or WIFI can be used for wireless control with functions covering from smart home to remote control to meet various needs of different projects.

 

Specifications

PCB size 90.0mm X57.8mm X 1.6mm
Supply voltage 7~23V DC
Operating voltage 3.3V DC
Microprocessor ATmega32u4
Indicator W_PWR, PWR, TXD, RXD, D13
Communication interface  XBee, nRF24L01+,UART, IIC, ITDB02LCD, micro SD

 

Electrical characteristics

Parameters Min. Typical Max. Unit
Supply voltage 7 - 23 VDC
Input high voltage VH 3 3.3 3.6 V
Input low voltage -0.3 0 0.5 V
Average current consumption - 100 500  mA

 

Hardware

 

Pin map

ITDB02 EB Interface

 Index of Interface  Name of Interface  Index of Arduino  Pin of Atmega32U4 
 1  EB0  A0  PF7
 2  EB1  A1  PF6
 3  EB2  A2  PF5
 4  EB3  A3  PF4
 5  EB4  A4  PF1
 6  EB5  A5  PF0

nRF24L01+ Module Interface

 Index of Interface  Name of Interface  Index of Arduino  Pin of Atmega32U4
 1  GND  -  -
 2  3V3  -  -
 3  CE  D5  PC6
 4  CS  D9  PB5
 5  SCK  D15  PB1
 6  MOSI  D16  PB2
 7  MISO  D14  PB3
 8  IRQ  D6  PD7


Micro SD Socket

 Index of Interface  Name of Interface   Index of Arduino  Pin of Atmega32U4
 1  SD_CS  D4  PD4
 2  MOSI  D16  PB2
 3  3V3  -  -
 4  SCK  D15  PB1
 5  GND  -  -
 6  MISO  D14  PB3


WIFI module Interface

 Index of Interface  Name of Interface  Index of Arduino  Pin of Atmega32U4
 1  WIFI_RTS  D7  PE6
 2  WIFI_CTS  D8  PB4
 3  WIFI_RST  D10  PB6
 Index of Interface  Name of Interface  Description
 1  D-RX  Upgrade firmware, UART input
 2  D-TX  Upgrade firmware, UART output
 3  ERROR  Indication for terrible errors in the module, high level is valid  
 4  WPS  WPS function input, the descending portion is valid. By inputting VDD/2 in the pin when starting up, the module will enter WEB SERVER.
 5  BOOT  Used in boot program, high level is valid.

 

 

UART setting jumpers


WIFI module and XBee module communicate with atmega32u4 via UART,as they cannot use the same serial port for communication, there are two sets of UART setting jumpers to configure UART communication as below:



D0 and D1 are hardware UART serial ports for Arduino, and D11 and D12 are common IO interfaces. There are two ways to set UART communication.

Description UART Setting Jumpers Connection  Figure
Hardware UART to WIFI,
Software UART to XBee
WT – D0(Hardware Rx of Arduino)
WR – D1(Hardware Tx of Arduino)
XT – D11(Software Rx/Tx of Arduino)
XR – D12(Software Rx/Tx of Arduino)
Software UART to WIFI,
Hardware UART to XBee
 WT – D0(Hardware Rx of Arduino)
WR – D1(Hardware Tx of Arduino)
ST – D11(Software Rx/Tx of Arduino)
SR – D12(Software Rx/Tx of Arduino)

WT:TX pin of WIFI module
WR:RXpin of WIFI module
XT:TXpin of XBee module
XR:RXpin of XBee module


Indicator

  • PWR:  Power indicator, normally ON indicates normal power supply to WBoard EX.
  • W_PWR:  Power indicator, normally ON indicates normal power supply to WIFI module.
  • D13:  Test indicator, it will flash like a breathing light when resetting.
  • TXD:  USB serial port sending indicator, it will flash when there is data sending at USB serial port.
  • RXD:  USB serial port receiving light, it will flash when there is data receiving at USB serial port.

Button 

  • Reset:  ATmega32u4 reset button, press the button to reset ATmega32u4.
  • WIFI_RST:  WIFI reset button, press the button to reset WIFI module. 
  • XBee_RST:  XBee reset button, press the button to reset XBee module.


Switch

  • Transparent transmission selection switch: When the switch turns to ‘Normal’, module is powered on but will not enter transparent transmission mode; when the switch turns to ‘Transparent’, the module is powered on and will enter transparent transmission mode. 

 

Microcontroller ATmega32u4
Max Frequency No
RAM Capacity 512Byte
FLASH Capacity 32K
External Resources No
Power Supply
  • External 9V
  • USB 5V
I/O Operation Level 3.3V
Board Size 90.0 X 57.8 X 1.6mm
Model IM130626001
Version V1.0
Weight 46.00g
Accessories No

 

Download

Specifiche

Part. No. : IM130626001
Tipo Shield : Wi-Fi

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