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Forum Index : Microcontroller and PC projects : CMM2 stich

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MikeAlves
Newbie

Joined: 29/07/2020
Location: United States
Posts: 16
Posted: 06:22pm 07 Sep 2020
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Hey guys,

I finally got my switch. Just to be sure, I remove the wire that bridges the two holes and solder the pins of the switch into the PCB (see picture)?

I am ok with a soldering iron, but I just don't want to mess this up.

Thanks,

Mike
 
RetroJoe

Senior Member

Joined: 06/08/2020
Location: Canada
Posts: 290
Posted: 10:45pm 07 Sep 2020
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Mike, I can't see the picture, but "yes" - the switch needs to replace the "always on" jumper that came pre-installed on your PCB.

I used an old push-on / push-off switch I had lying around, and it happens to illustrate the point perfectly!



Edited 2020-09-08 10:28 by jpusztai
Enjoy Every Sandwich / Joe P.
 
MikeAlves
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Joined: 29/07/2020
Location: United States
Posts: 16
Posted: 10:40pm 11 Sep 2020
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Here's the pic. I forgot to upload the picture. Am I lining this up correctly?
 
TassyJim

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Joined: 07/08/2011
Location: Australia
Posts: 6283
Posted: 11:02pm 11 Sep 2020
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  MikeAlves said  
Here's the pic. I forgot to upload the picture. Am I lining this up correctly?

Yes
ON will be UP or DOWN depending on your switch.

Jim
VK7JH
MMedit
 
MikeAlves
Newbie

Joined: 29/07/2020
Location: United States
Posts: 16
Posted: 12:22am 12 Sep 2020
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Thanks so much!
 
vegipete

Guru

Joined: 29/01/2013
Location: Canada
Posts: 1132
Posted: 01:09am 12 Sep 2020
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  TassyJim said  ON will be UP or DOWN depending on your switch.

Are there any versions of that switch where up is on?
Visit Vegipete's *Mite Library for cool programs.
 
mkopack73
Senior Member

Joined: 03/07/2020
Location: United States
Posts: 261
Posted: 02:19am 12 Sep 2020
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  vegipete said  
  TassyJim said  ON will be UP or DOWN depending on your switch.

Are there any versions of that switch where up is on?


Not that I'm aware of. Honestly, you get used to it pretty quickly...
 
TassyJim

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Joined: 07/08/2011
Location: Australia
Posts: 6283
Posted: 02:27am 12 Sep 2020
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  vegipete said  
  TassyJim said  ON will be UP or DOWN depending on your switch.

Are there any versions of that switch where up is on?


Someone on your side of the wold found one but I didn't make a note of the part number or supplier. I am happy with down for on.

Jim
VK7JH
MMedit
 
vegipete

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Joined: 29/01/2013
Location: Canada
Posts: 1132
Posted: 03:05am 12 Sep 2020
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I have come to accept and appreciate down for on - for this particular application. Fitting for something invented down under.  ;-)
Visit Vegipete's *Mite Library for cool programs.
 
MikeAlves
Newbie

Joined: 29/07/2020
Location: United States
Posts: 16
Posted: 03:26am 12 Sep 2020
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Do any of you know how to switch the vegimite port to peanut butter?

Honestly, I did think the battery was faulty because the date was always wrong. Then I realized it had to be read Day Month Year instead of Month Day Year. :)
 
Andrew_G
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Joined: 18/10/2016
Location: Australia
Posts: 871
Posted: 03:51am 12 Sep 2020
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G'day Mike,
Another one from down-under here.

Re the date, how about you try with the battery in up the other way?

Cheers,

Andrew
 
Womble

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Joined: 09/07/2020
Location: United Kingdom
Posts: 267
Posted: 11:18am 17 Sep 2020
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  MikeAlves said  Do any of you know how to switch the vegimite port to peanut butter?

This might work  
 
MikeAlves
Newbie

Joined: 29/07/2020
Location: United States
Posts: 16
Posted: 11:47am 17 Sep 2020
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Looks good. Does it ship to the US?
 
Nimue

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Joined: 06/08/2020
Location: United Kingdom
Posts: 420
Posted: 12:27pm 17 Sep 2020
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Hi

Another "switch" related question.

Preassembled CMM2

To make life easier for my target audience of teachers, is there anything "wrong" with replacing the jumper that we move to flash the ROM with a SPDT switch?

In theory, what I want to achieve is an outside the box switch that one way is "run" - ie normal operation and the other way is "flash" so that the device can be upgraded.

I have wired this up and it works fine for running / flashing.

If the device was accidentally moved to "flash" setting - but was otherwise set up to use (ie keyboard and power) -- are there any negative consequences?  Reluctant to try in case I fry as they say....

Nim
Entropy is not what it used to be
 
thwill

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Joined: 16/09/2019
Location: United Kingdom
Posts: 4311
Posted: 12:33pm 17 Sep 2020
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  Nimue said  To make life easier for my target audience of teachers, is there anything "wrong" with replacing the jumper that we move to flash the ROM with a SPDT switch?


Unless I'm misunderstanding what you are talking about ...

Hmm, I'm sure it is a switch on mine.

Anyway you don't need it, search the manual for "UPDATE FIRMWARE", this performs the "switch" in software until the next reset/reboot.

Best wishes,

Tom
MMBasic for Linux, Game*Mite, CMM2 Welcome Tape, Creaky old text adventures
 
Nimue

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Joined: 06/08/2020
Location: United Kingdom
Posts: 420
Posted: 12:39pm 17 Sep 2020
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  thwill said  
  Nimue said  To make life easier for my target audience of teachers, is there anything "wrong" with replacing the jumper that we move to flash the ROM with a SPDT switch?


Unless I'm misunderstanding what you are talking about ...

Hmm, I'm sure it is a switch on mine.

Anyway you don't need it, search the manual for "UPDATE FIRMWARE", this performs the "switch" in software until the next reset/reboot.

Best wishes,

Tom


- defo a jumper inside mine.

Ok -- software switch is good.

I should learn RTFM....

Nim
Entropy is not what it used to be
 
Nimue

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Joined: 06/08/2020
Location: United Kingdom
Posts: 420
Posted: 12:39pm 17 Sep 2020
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  thwill said  
  Nimue said  To make life easier for my target audience of teachers, is there anything "wrong" with replacing the jumper that we move to flash the ROM with a SPDT switch?


Unless I'm misunderstanding what you are talking about ...

Hmm, I'm sure it is a switch on mine.

Anyway you don't need it, search the manual for "UPDATE FIRMWARE", this performs the "switch" in software until the next reset/reboot.

Best wishes,

Tom


- defo a jumper inside mine.

Ok -- software switch is good.

I should learn RTFM....

Nim
Entropy is not what it used to be
 
thwill

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Joined: 16/09/2019
Location: United Kingdom
Posts: 4311
Posted: 12:57pm 17 Sep 2020
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  Nimue said  - defo a jumper inside mine.

Ok -- software switch is good.

I should learn RTFM....

Nim


I think yours must be an all in one board whereas mine has the Waveshare module and the switch is on the module.

If you aren't obsessively reading and re-reading the manual then you aren't capturing the full 1980s microcomputer experience

Tom
MMBasic for Linux, Game*Mite, CMM2 Welcome Tape, Creaky old text adventures
 
Nimue

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Joined: 06/08/2020
Location: United Kingdom
Posts: 420
Posted: 01:01pm 17 Sep 2020
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  thwill said  
  Nimue said  
If you aren't obsessively reading and re-reading the manual then you aren't capturing the full 1980s microcomputer experience

Tom


I read mine in bed -- spiral bound and all.

Nim
Entropy is not what it used to be
 
CircuitGizmos

Guru

Joined: 08/09/2011
Location: United States
Posts: 1427
Posted: 02:49pm 17 Sep 2020
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Little switch

This is a switch that can be used.
Micromites and Maximites! - Beginning Maximite
 
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