YellowJacket 1.0

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The YellowJacket is an Arduino compatible, WiFi enabled I/O board similar to the Arduino mini. This is as small as it can get with the wireless module. The YellowJacket is a two side surface mount device. The YellowJacket will require a USB breakout board to be able to program it from a PC.

Contents

YellowJacket Features

  • Arduino compatible device based on the Arduino mini
  • Smallest size possible with wireless capability
  • Up to 12 digital I/O pins [1]
  • 6 analog input pins
  • Atmel ATmega328P MCU
    • 32KB flash RAM (2KB used for bootloader)
    • 2KB SRAM
    • 1KB EEPROM
  • 802.11b 1 and 2 Mbps WiFi connectivity
  • On-board PCB antenna
  • Supports infrastructure mode (BSS) and adhoc (IBSS) network modes
  • Ability to connect to secured WiFi networks
    • WEP (64-bit and 128-bit)
    • WPA/WPA2 (TKIP and AES) PSK
  • LED attached to digital pin 9 used to indicate a successful wireless connection


[1]: For WiFi usage, a minimum of 5 digital pins are required: 4 for SPI and 1 for interrupt. The SPI bus can be shared with other SPI devices, but the CS pin cannot be modified from pin 10. Your other SPI device must have a switchable SPI CS pin, or a hardware modification needs to be performed.


Pin Usage

File:YellowJacketv1.JPG

Schematic

The schematic can be found here.

If you need software to view the schematic, you can download the Eagle software for free from CadSoft.

Gerber File

The board gerber file can be found here.

Errata

  • Analog pins A4 & A5 are swapped.
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