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Niftymitter 0.24
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History
This is a derivative work of Niftymitter v0.22 by royshearer.
Description
Niftymitter is an open source short range FM transmitter based on the open source hardware design by Tetsuo Kogawa.
Version 0.24 is designed to be housed within a ~1mm card body (shirt card), with a variety of options for hacking. The transmitter is tiny and handy for small scale radio broadcasts, building a distributed PA system for performances, linking your personal audio player to your car radio, or for general audio experimentation.
The new version solves many of the problems in v0.22/0.23:
* Full assembly instructions on instructables.
* Artwork/info added on housing.
* Stereo/mono conflict resolved - can now accommodate stereo and mono plugs.
KNOWN ISSUES IN v0.24:
* circuit box slides around when switching on/off or plugging in.
* PP3 power lead needs better access to battery tray.
The project's home is at openthing.org/products/niftymitter
Instructions
PCB Layout v0.24 [.png - code.google.com/p/niftymitter/downloads/list]
The PCB source is designed for etching onto copperplate, using iron on acetate (such as that described here - instructables.com/id/Mostly-easy-PCB-manufacture/) or using Michael Shorter's laser engraving method described here - instructables.com/id/Printed-Circuit-Boards-PCB-using-the-Laser-Cutte [instructables].
Circuit assembly diagram for etched PCB [.png - code.google.com/p/niftymitter/downloads/list]
PCB layout and circuit assembly draft document [.svg - niftymitter.googlecode.com/files/niftymitter%20PCB%20and%20assembly%20DRAFT%20v0.24.svg]
Basic Electronic Schematics, parts and assembly instructions [Tetsuo Kogawa's site - anarchy.translocal.jp/radio/micro/simplestTX01.jpg]
General support for the electronics is on Kogawa's site here - anarchy.translocal.jp/radio/micro/howtosolder/howtosolder.html. Tetsuo Kogawa's site contains all the information needed to source components and assemble the electronics using his particular copperplate method.
Complete Parts List [.xls - niftymitter.googlecode.com/files/niftymitter%20v0.24%20parts%20list.xls]
Housing layouts v0.24 [.svg - niftymitter.googlecode.com/files/niftymitter%200.24%20housing%20layouts.svg]
The layouts are designed to be laser cut and engraved, or cut and scored by hand. They are designed for ~1mm cardboard and can be assembled by folding and gluing with a quick drying adhesive such as UHU.
Assembly Instructions [instructables]
Assembling the Niftymitter 0.24 board - instructables.com/id/Assembling-a-Niftymitter-board-a-short-range-FM-/
Assembling a Niftymitter 0.24 - instructables.com/id/Assembling-a-Niftymitter-v024/
How to Operate Niftymitter 0.24 - instructables.com/id/How-to-Operate-Niftymitter-024/
Required Tools
Discussion
Downloads
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niftymitter 0.24 housing layouts.svg
125 kb /
85 downloads
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niftymitter PCB and assembly DRAFT v0.24.svg
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80 downloads
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How-to-Operate-Niftymitter-024.pdf
63 kb /
96 downloads
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Assembling-a-Niftymitter-v024.pdf
257 kb /
110 downloads
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Assembling-a-Niftymitter-board-a-short-range-FM-.pdf
152 kb /
101 downloads
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