Wiring Wiz820io Ethernet Module to Teensy 3.1 (or 3.2)

by BigDan


He have a Teensy 3.1 and Wiz820io Ethernet Module He want to connect together. PJRC does sell a little shield for the Wiz820io, but He plan to mount the Teensy to a PCB and want to do the same with the Wiz820io rather than use this shield.

He immediately had issues which he incorrectly blamed on drivers. Had this been any MCU other than the Teensy, drivers would have been a good guess. He was puzzled as to why he would have driver issues given PJRC was selling the shield. It should work, yet didn’t.

To make a very long (as in 8 hours) story short, the root of the problem lies in the Wiz820io’s RESET pin. He finally discovered that you MUST properly provide power to this pin to get the Wiz820io up and running. When you do, the two lights on the Wiz820io will come on.

But even after discovering the necessity of the RESET pin, He could not get the drivers to work. In his research he found one person telling another to toss their Arduino Due and use a Teensy because the Teensyduino had all the necessary drivers. OK, He must be using the proper drivers, and now he know the trick of the RESET pin, what else is he missing?

PJRC shield wiring diagram

Teensy3 SD Card WIZ820io MCP1825 JUMPER PADS
4 2:CS
8 Left Side
10:CS SS
PWDN Center

How to be wired a standalone Wiz820io module to a Teensy 3.1

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Teensy-Arduino Cross-over (Adapter) Board

by Epyon.be


Ever since he discovered the Teensy 3.0 board from PJRC, he is hooked up to it. It’s compatible with the Arduino programming language, but the microcontroller is so much more powerful than a regular Arduino or even the Arduino Due. The only downside is the limited amount of Teensy expansion shields. But what if you could hook up all your Arduino shields to the Teensy? You could then take advantage of both the powerful microcontroller as well as the variety of Arduino expansion shields. That’s why he developed the Teensy-Arduino adapter shield, which does just what it says on the tin: seamless compatibility between the Teensy 3.0 board and Arduino shields

Main Features

  • Drop-in, pin-to-pin Arduino Rev3 compatible
  • Convert between Teensy and Arduino footprints: unlock the wealth of different Arduino shields for your Teensy projects
  • Interface Arduino 5V levels (logic and even analog!) to Teensy 3.3V level: no need to make any change to your existing Arduino projects
  • Bidirectional logic buffers can source up to 50mA per digital output (up from 9mA per Teensy output)
  • Unity gain opamps on analog inputs improve accuracy and speed of analog-to-digital conversion
  • Run your Teensy from any 7-15V DC power supply
  • Select 3.3V logic levels with a simple switch to use your Teensy with 3.3V Arduino shields (in stead of 5V)

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This post is good reference. For more detail, Refer to the original site.

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Arduino test sketch & circuit with iOSC

by iOSC


This project show how to use iOCS Library with Arduino & Ethernet shiled.

This is OSC class library for Arduino and simple test sketching.

OSCclass Arduino library ver1.0.1

  • It is necessary to connect EthernetShiled to Arduino.
  • Connect the iPhone to a Wi-Fi router.
  • Arduino connects with a Wi-Fi router by cable LAN.

  • Please build the Arduino test circuit.

What is iOSC

iOSC is a remote control application that uses the OSC (Open Sound Control) protocol.

Using the OSC protocol over your device’s built-in Wi-Fi connection, iOSC communicates with other compatible hardware and software nodes on your network. You can also remote control the middleware such as Max MSP, Processing, ActionScript (FLOSC) and many other devices that support the OSC protocol from your iPhone.

Refer to Hear

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