northwest moodz detector new front-end getting ready for testing
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australian electronic gold prospecting forum.com  |  DIY forum  |  DIY forum  |  Topic: moodz detector new front-end getting ready for testing 0 Members and 1 Guest are viewing this topic. « previous next »
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moodz
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« Reply #40 on: Saturday August 23 2014 00:49:30 AEST AM »

...the signal chain from end to end is operational ...rewritten the audio section to produce  a fully digital arbitrary waveform generator with digital volume and frequency control

The pic shows TX  pulses  at coil end and audio waveform at the user end  .... verrry nice even if I say so myself.



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« Reply #41 on: Saturday August 23 2014 09:01:00 AEST AM »

  
...the signal chain from end to end is operational ...rewritten the audio section to produce  a fully digital arbitrary waveform generator with digital volume and frequency control

The pic shows TX  pulses  at coil end and audio waveform at the user end  .... verrry nice even if I say so myself.





So is the detector now complete?
doug smile
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« Reply #42 on: Saturday August 23 2014 09:16:58 AEST AM »

  
...the signal chain from end to end is operational ...rewritten the audio section to produce  a fully digital arbitrary waveform generator with digital volume and frequency control

The pic shows TX  pulses  at coil end and audio waveform at the user end  .... verrry nice even if I say so myself.





What, no Urbanfox 0Hz sq waves!!!
doug smile
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moodz
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« Reply #43 on: Sunday August 24 2014 13:00:41 AEST PM »

  
  
...the signal chain from end to end is operational ...rewritten the audio section to produce  a fully digital arbitrary waveform generator with digital volume and frequency control

The pic shows TX  pulses  at coil end and audio waveform at the user end  .... verrry nice even if I say so myself.





So is the detector now complete?


doug smile

The board is - see board on testbench below ... This is close to the final version. Minor track tweaks to improve track  spacing here and there .. I may do away with the plug .... you can see in the pic that the wire from the coil goes straight to the plug  .. there are no solder points in the coil. Coil shielding is not required ... this detector has a broadband match front end and does not pick up EMI or hand capacitance.  ( willing to be convinced that this is not the case but only testing will tell )   More code tweaks to improve audio and user control interface. Lots of field testing. ( aiming for october when the guys are available. )
The current draw is  320 ma at 16.6 volts and 450 ma at 12 volts ( LIPO pack discharged ). Thats good for 10 hours  of detecting on the pack I am using. The unit will shutdown when the battery voltage reaches over discharge for LIPO.  batteries cos $90 not $250 and  there is enough spare pins on the CPU to build an integrated LIPO fast charger .. but that will be version 2.
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IBGold
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« Reply #44 on: Sunday August 24 2014 16:06:35 AEST PM »

Hi Moodz,

Are you running this with the UNO 32 or as a stand alone unit.

Regards, Ian. happy face
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Regards, Ian.
moodz
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« Reply #45 on: Sunday August 24 2014 17:10:28 AEST PM »

Hi Ian .. everything is on board ... the onboard CPU is as good as the UNO32 but costs $5 instead of $35 ... less wires to manage as well.
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« Reply #46 on: Sunday August 24 2014 20:39:27 AEST PM »

Interesting tweezers/tongs. Where did you find such one?
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moodz
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« Reply #47 on: Sunday August 24 2014 21:18:37 AEST PM »

  
Interesting tweezers/tongs. Where did you find such one?

Made by stirex from Sweden ...   
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BILLY
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« Reply #48 on: Monday August 25 2014 06:10:44 AEST AM »

  Looking good Moodz.  You say should be out being tested by October.  I hope you are talking October 2014.
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« Reply #49 on: Monday August 25 2014 08:08:45 AEST AM »

  
  Looking good Moodz.  You say should be out being tested by October.  I hope you are talking October 2014.

Thanks Billy ...yes October this year ...I will be doing the odd spot of pre testing prior to this.
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« Reply #50 on: Monday August 25 2014 22:38:56 AEST PM »

...everything fitted to the case ...  excited

see pic below.
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« Reply #51 on: Tuesday August 26 2014 04:44:59 AEST AM »

Looks like testing is coming soon! good luck
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Doug
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« Reply #52 on: Thursday August 28 2014 10:25:09 AEST AM »

  
...everything fitted to the case ...  excited

see pic below.

Will the case be water resistant? ie will you be able to detect with it if its raining?
doug smile
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moodz
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« Reply #53 on: Thursday August 28 2014 17:42:21 AEST PM »

  
  
...everything fitted to the case ...  excited

see pic below.

Will the case be water resistant? ie will you be able to detect with it if its raining?
doug smile

the electronics will/may be encased in resin with anti tamper fitted ... so no mods. Uses an israeli developed security technique. If the resin is removed even partially the device is inoperative.
It also means that the device cannot be repaired either. However it should be fairly reliable and water resistant.
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« Reply #54 on: Thursday August 28 2014 17:48:36 AEST PM »

  
  
  
...everything fitted to the case ...  excited

see pic below.

Will the case be water resistant? ie will you be able to detect with it if its raining?
doug smile

the electronics will/may be encased in resin with anti tamper fitted ... so no mods. Uses an israeli developed security technique. If the resin is removed even partially the device is inoperative.
It also means that the device cannot be repaired either. However it should be fairly reliable and water resistant.

Can the anti tamper/resin encasing prevent reverse engineering?
doug smile
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Huego
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« Reply #55 on: Thursday August 28 2014 18:05:10 AEST PM »

  
  
  
...everything fitted to the case ...  excited

see pic below.

Will the case be water resistant? ie will you be able to detect with it if its raining?
doug smile

the electronics will/may be encased in resin with anti tamper fitted ... so no mods. Uses an israeli developed security technique. If the resin is removed even partially the device is inoperative.
It also means that the device cannot be repaired either. However it should be fairly reliable and water resistant.

Moodz, It sounds like a BALL RIPPA!

Love all the technology and IP hidden away from prying Mindy eyes!  excited 

Keep at it and GOOD LUCK!  good luck

 happy face
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Views expressed are without prejudice, moderation, in the public / consumer interest & their "right to know"! He reserves his right to: think freely & speculate, make mistakes & change his mind, even play with the nutters & "fairies". Prove me wrong 0.543! Still fighting greed & injustice my way :-)
moodz
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« Reply #56 on: Thursday August 28 2014 18:10:07 AEST PM »

  
  
  
  
...everything fitted to the case ...  excited

see pic below.

Will the case be water resistant? ie will you be able to detect with it if its raining?
doug smile

the electronics will/may be encased in resin with anti tamper fitted ... so no mods. Uses an israeli developed security technique. If the resin is removed even partially the device is inoperative.
It also means that the device cannot be repaired either. However it should be fairly reliable and water resistant.

Can the anti tamper/resin encasing prevent reverse engineering?
doug smile

anyone can reverse anything if they try hard enough ... but mainly it makes tampering obvious so you don't have bogus warranty issues.
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moodz
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« Reply #57 on: Thursday August 28 2014 18:22:28 AEST PM »

  
  
  
  
...everything fitted to the case ...  excited

see pic below.

Will the case be water resistant? ie will you be able to detect with it if its raining?
doug smile



the electronics will/may be encased in resin with anti tamper fitted ... so no mods. Uses an israeli developed security technique. If the resin is removed even partially the device is inoperative.
It also means that the device cannot be repaired either. However it should be fairly reliable and water resistant.


Moodz, It sounds like a BALL RIPPA!

Love all the technology and IP hidden away from prying Mindy eyes!  excited 

Keep at it and GOOD LUCK!  good luck

 happy face

thanks Huego ... but like they say  ... it aint over till its over. Could still come up against some problemo.
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Huego
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« Reply #58 on: Thursday August 28 2014 20:01:48 AEST PM »

They (the DENIGRATORS) take such a passionate interest in what happens here don't they?

      Who remembers the white paint board, hiding ML IP, protected by patents?
      Or the delirious delight when a naked board was briefly exposed etc etc
  scared

Poor Mr Walker can hardly contain his rage (over his view of history) before switching to delirious laughter!!

     Amazing!

My adulation over the Moodz’ tamper evident potting mix or coating was deserved … as ML can attest!  

      (“making sucking noises”  love it! ….. whoop !!  )

Electronics are reliable these days and who needs to mod, upgrade or solder these days? Woody?
Nah, my old 2200 never needed it so this newer better detector certainly won't, will it?
(Ah feels so good to be back 'on the seat', the toilet seat, dropping them on the clowns, the old flounders flopping about looking for any info to pass on, inquire about or corrupt!  excited

Keep laughing coz it gets funnier all right … as funny as the justice that is still coming, I heard today.

The theories from behind the wall still amaze and amuse all true believers.

Keep wondering as you wander the wilderness Mr Walker

 happy face
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Views expressed are without prejudice, moderation, in the public / consumer interest & their "right to know"! He reserves his right to: think freely & speculate, make mistakes & change his mind, even play with the nutters & "fairies". Prove me wrong 0.543! Still fighting greed & injustice my way :-)
Huego
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« Reply #59 on: Friday August 29 2014 13:35:13 AEST PM »

  
  


Moodz, It sounds like a BALL RIPPA!

Love all the technology and IP hidden away from prying Mindy eyes!  excited 

Keep at it and GOOD LUCK!  good luck

 happy face

thanks Huego ... but like they say  ... it aint over till its over. Could still come up against some problem.


True Moodz ...... but you have got to remain POSITIVE and work towards a positive (ball breaking) outcome!   good luck


 happy face
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Views expressed are without prejudice, moderation, in the public / consumer interest & their "right to know"! He reserves his right to: think freely & speculate, make mistakes & change his mind, even play with the nutters & "fairies". Prove me wrong 0.543! Still fighting greed & injustice my way :-)
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