Twatch networked LCD

From DP

• One assembled #twatches is available at Watterott electronic (Germany) for around $45. This is the last #twatch, no further production is planned

The #twatch is a network backpack for 4x20 character LCDs that scrolls system status info from programs like LCD Smartie and LCDproc. It can also grab real-time trending topic updates from Twitter. This page tries to link to all the important #twatch related materials.

Overview

• Twatch v2 network LCD hardware design
• Network LCD backpack mode
• Forum

Download

• #twatch firmware v0b and source package
• #twatch firmware v0f update November 2011
• Browse SVN

Hardware

• Twatch network LCD schematic and partlist

Firmware

• Network firmware update procedure (original)
• Compile the #twatch firmware (original)
• Twatch networked LCD firmware change history
• Microchip TCP/IP stack v5.20b

Software

• LCD Smartie
• LCDproc
• LCDs for OSX
• Virtual Serial Port Emulator
• User submitted scripts that add functionality

Links

• #twatch Perl library
• #twatch PHP library
• Ping the #twatch
• View the IP announcement packet
• Backlight control from Windows
• Backlight control with Python
• v1 development hardware design
• #twatch WinAmp plugin (update)
• PIC 18F67J60 datasheet
• PIC 18F Family Reference manual [PDF]

License

• PCB art: CC-BY-SA
• Firmware source: CC-BY-SA (excluding Microchip TCPIP stack)