northwest The QED with a 128*64 pixel OLED display.
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australian electronic gold prospecting forum.com  |  Pi metal detector by Bugwhiskers  |  QED Detector ,latest updates  |  Topic: The QED with a 128*64 pixel OLED display. 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: The QED with a 128*64 pixel OLED display.  (Read 1276 times)
Doug
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« on: Saturday August 13 2016 08:48:10 AEST AM »

The QED with a 128*64 pixel OLED display.
Turning the detector on and off, changing settings and reloading default settings all accomplished with just 3 push buttons.
  
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Doug
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« Reply #1 on: Saturday August 13 2016 08:49:54 AEST AM »

  
The QED with a 128*64 pixel OLED display.
Turning the detector on and off, changing settings and reloading default settings all accomplished with just 3 push buttons.
doug smile


This is using the new 64K memory MC chip.
doug smile
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« Reply #2 on: Saturday August 13 2016 09:03:54 AEST AM »

Doug,

Looks great, but how well can you see the OLED display in bright sunlight?

Jeff
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bugwhiskers
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« Reply #3 on: Saturday August 13 2016 11:34:43 AEST AM »

The only problem is if the sun is in a direct line to the screen.
OLED's are renowned for their brightness.
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« Reply #4 on: Saturday August 13 2016 12:32:33 AEST PM »

  
The only problem is if the sun is in a direct line to the screen.
OLED's are renowned for their brightness.

As a matter of interest what does the QED  now weigh complete with batteries?
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« Reply #5 on: Saturday August 13 2016 13:12:35 AEST PM »

The box with batteries, just over 500g.
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« Reply #6 on: Saturday August 13 2016 13:26:58 AEST PM »

  
The box with batteries, just over 500g.

So no danger of getting the SAD 7000   you suck RSI syndrome! Thumbs down wth the QED! Clap Hands
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« Reply #7 on: Saturday August 13 2016 13:59:04 AEST PM »

Or empty pocket syndrome.
Have you ever pondered what the difference is between a tool and a toy?
When the SD2000 was released, many prospectors recouped their outlay within weeks. That's a tool, it does something useful, it pays for itself in short time.

I know of a large group of prospectors (around 20 in number) who on 2 field day occasions resulted in the finding of just one "grain of rice" nugget at each outing.
Consider their "TOOL" outlay, consider their time (around 5 hours) consider their travel costs. What used to be a tool has now become a toy. The resource, the target of their desires is finite. Detectors costing thousands of dollars are on borrowed time.
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« Reply #8 on: Saturday August 13 2016 14:29:56 AEST PM »

  
Or empty pocket syndrome.
RSI of the hip pocket!!!!! Rolling on the floor laughing!
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« Reply #9 on: Sunday August 14 2016 10:12:52 AEST AM »

A pic of the QED box with an OZ 50 cent piece atop to indicate size.
The box alone without batteries weighs just 340 grams.


* QED_SIZE.jpg (64.35 KB, 1123x888 - viewed 267 times.)
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« Reply #10 on: Sunday August 14 2016 10:29:54 AEST AM »

 Are the OLED and the earlier LED screens interchangeable?
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« Reply #11 on: Sunday August 14 2016 10:34:02 AEST AM »

Yes, they are fully interchangeable.
It's possible for the firmware to detect the type of display and use the driver to suit.
This and other considerations prompted the change from a 16K memory micro to a 64k.

The link below touches on life expectancy for OLED's

  

In any case, the displays are inexpensive and can be easily replaced by the owner. Just one small screwdriver required.
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« Reply #12 on: Sunday August 14 2016 11:20:57 AEST AM »

  
Yes, they are fully interchangeable.
It's possible for the firmware to detect the type of display and use the driver to suit.
This and other considerations prompted the change from a 16K memory micro to a 64k.

The link below touches on life expectancy for OLED's

  

In any case, the displays are inexpensive and can be easily replaced by the owner. Just one small screwdriver required.

How much do  the replacement screens cost?
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« Reply #13 on: Sunday August 14 2016 11:39:29 AEST AM »

Under $6.00
I then have to de-solder the header connector and replace it with a right angled type.
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« Reply #14 on: Sunday August 14 2016 11:53:37 AEST AM »

  
Under $6.00
I then have to de-solder the header connector and replace it with a right angled type.

So replacing the screens is very cheap and easy.
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« Reply #15 on: Sunday August 14 2016 13:46:15 AEST PM »

It's looking good Mr Bugwhiskers
I like the display

How is my kit coming along?  excited
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« Reply #16 on: Sunday August 14 2016 14:04:21 AEST PM »

It's taking a lot longer than anticipated to port the old program across to the new micro.
Take for example the saving of settings when switching off. I have found 4 variations supposedly for the chip I am using and none of them work due to errors or incorrect documentation. I could go on and on and on about the documentation and the supplied software tools but it won't change anything. Slogging away at it pays off in the end.
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« Reply #17 on: Monday August 15 2016 04:19:23 AEST AM »

Good on ya Bugwhiskers!  Only a few weeks and you redesigned the whole circuit board.  I figured it would take alot longer.  So we will be seeing a video of you testing it detecting soon.  I did not know you had the earlier model already EMI certified.
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« Reply #18 on: Monday August 15 2016 06:19:03 AEST AM »

BILLY, you would appear to be a lot smarter if you did some research before posting.
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« Reply #19 on: Monday August 15 2016 07:21:36 AEST AM »

  
BILLY, you would appear to be a lot smarter if you did some research before posting.

  But Bugwhiskers you just said that you already have the new bigger chip installed.  And you had to redesign the circuit board to get it to fit.  Did you not?  You Also just said "It's taking a lot longer than anticipated to port the old program across to the new micro."   To me that means you upgraded the circuit board to the bigger chip, but are having trouble programing it.  Did I miss something?
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australian electronic gold prospecting forum.com  |  Pi metal detector by Bugwhiskers  |  QED Detector ,latest updates  |  Topic: The QED with a 128*64 pixel OLED display. « previous next »
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