http://sevzirfo.narod.ru/skif_pi.htm
Here is a project to try
I think the coil is 28cm, 20turns, .7mm
uses an old ATtiny15 , maybe someone who knows code could convert to ATtiny25 or something modern ?
The source code has been lost for the moment
I have been very lucky and Jim from jgmDESIGNS http://jgmdesigns.com/ sent me some ATtiny15
chips and it seems to work,
TAKE NOTE ! you can get the full size schematic off the website
I just added a very compressed picture to give an idea of schematic
added some pics of the pulses
I have not built the whole project yet just burned the code
here is the hex
:020000020000FC
:0200000022C01C
:02000A002FC005
:0200100017C017
:1000400014B125B11895EFEFF3E0C89501BE0BE0B0
:1000500007BB0BE008BB02E009BF01E207B904E8F7
:1000600006B9789403E003BFFFCF01EC02BF36E18D
:10007000C0983A95F1F7C09A3EE13A95F1F73EE122
:10008000370FC3983A95F1F7C39A34E0380F3A9591
:10009000F1F73FE0C1983A95F1F7C19A3998369A4D
:1000A0003699FECF14B175B176957695399A369A10
:0C00B0003699FECF14B185B186951895E5
:00000001FF
Here is a project to try
I think the coil is 28cm, 20turns, .7mm
uses an old ATtiny15 , maybe someone who knows code could convert to ATtiny25 or something modern ?
The source code has been lost for the moment
I have been very lucky and Jim from jgmDESIGNS http://jgmdesigns.com/ sent me some ATtiny15
chips and it seems to work,
TAKE NOTE ! you can get the full size schematic off the website
I just added a very compressed picture to give an idea of schematic
added some pics of the pulses
I have not built the whole project yet just burned the code
here is the hex
:020000020000FC
:0200000022C01C
:02000A002FC005
:0200100017C017
:1000400014B125B11895EFEFF3E0C89501BE0BE0B0
:1000500007BB0BE008BB02E009BF01E207B904E8F7
:1000600006B9789403E003BFFFCF01EC02BF36E18D
:10007000C0983A95F1F7C09A3EE13A95F1F73EE122
:10008000370FC3983A95F1F7C39A34E0380F3A9591
:10009000F1F73FE0C1983A95F1F7C19A3998369A4D
:1000A0003699FECF14B175B176957695399A369A10
:0C00B0003699FECF14B185B186951895E5
:00000001FF
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