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In this Instructable I will show you how to build a small handheld digital synth called the EM-Tronic.
About the EM-Tronic:
With the combination of pitch, speed and mode controls, giving endless combination of sounds this Synthesizer packs quite a punch for it's size. The best thing is I've included the basic software file so you can hack the sound to your hearts content.
The information in this Instructable is all you need to build this synth but if you would just like a kit to put together I have made a few up. EM-Tronic KIT
You will need:
*Circuit board ( get one made or just use strip board)
*The ability to program a Picaxe 08m2 Microcontroller.
*Electronic components( resistors, capacitors, voltage regulator, 9v battery clip, switch, potentiometers, 3.5mm socket, knobs,Picaxe 08m and LEDs
*Soldering iron and solder
*Wire cutters
*Allen key to fit the knobs
*An enclosure to fit the kit into if you want one.
Apart from these instructions I've included the circuit board schematic(eagle), circuit board layout(eagle) and the software file EM-tronic.BAS. This gives you all the details you need to build your own EM-Tronic. If the files don't download or I've left something out please let me know and I will sort it out.
About the EM-Tronic:
With the combination of pitch, speed and mode controls, giving endless combination of sounds this Synthesizer packs quite a punch for it's size. The best thing is I've included the basic software file so you can hack the sound to your hearts content.
The information in this Instructable is all you need to build this synth but if you would just like a kit to put together I have made a few up. EM-Tronic KIT
You will need:
*Circuit board ( get one made or just use strip board)
*The ability to program a Picaxe 08m2 Microcontroller.
*Electronic components( resistors, capacitors, voltage regulator, 9v battery clip, switch, potentiometers, 3.5mm socket, knobs,Picaxe 08m and LEDs
*Soldering iron and solder
*Wire cutters
*Allen key to fit the knobs
*An enclosure to fit the kit into if you want one.
Apart from these instructions I've included the circuit board schematic(eagle), circuit board layout(eagle) and the software file EM-tronic.BAS. This gives you all the details you need to build your own EM-Tronic. If the files don't download or I've left something out please let me know and I will sort it out.
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Signing UpStep 1Parts
1 x 100nF Capacitor (C5)
1x 10nF Capacitor (C6)
2x 10k Pot(spline shaft) (VR1 VR2)
4x 10K Resistor (1/4W) (R2 R4 R6 R7)
2x 1K Resistor (1/4W) (R8 R10)
1x Regulator 78L05 (5V) (IC3)
1x Ic Holder 8Pin
1x Picaxe 08M or 08M2 (IC2)
1x 3.5mm Socket(stereo switched) (SPKR)
1x Toggle switch(sub miniature)
2x LED (BLUE) (LED1 LED2)
2x Knob
1x Battery connector(9v)
1x Circuit board
If you don't have a picaxe programmer or programming cable try SPARKFUN
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I really like the Luna Mod.