Niftymitter v0.24
by royshearer, published
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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
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
2646
1413
Report Thing as Inappropriate
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License
Niftymitter v0.24 by royshearer is licensed under the Creative Commons - Attribution - Share Alike license.
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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/
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/
Niftymitter v0.24 by royshearer is licensed under the Creative Commons - Attribution - Share Alike license.
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