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Max The Magnificent
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Re: power strip and ground plug adapter
Max The Magnificent   8/29/2014 9:49:25 AM
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@Sanjib: The only remaining thing is then to check if the ground point of the socket is "really" connected to ground.

That's true -- you should never take anything for granted.

Max The Magnificent
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Re: power strip and ground plug adapter
Max The Magnificent   8/29/2014 9:47:40 AM
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@Sanjib: Wow!! This is a cool little gadget!! Really appreciate the idea!

It really is, although the ~$7 is a complete rip-off for something that can cost only a fraction of a dollar to make -- but it really does work perfectly for what I want, and it (well, "they" because I bought two) are a one-time buy that should last me the rest of my life ... so what the heck :-)

Max The Magnificent
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Re: Maybe...
Max The Magnificent   8/29/2014 9:45:00 AM
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@zeeglen: We were in the habit of touching the rack metalwork before touching boards...

I gort into that habit years ago -- and I often do it automatically -- maybe touching the case of my power supply -- even if I'm already wearing an ESD wristband.

Max The Magnificent
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Re: Laptop grounded?
Max The Magnificent   8/29/2014 9:43:37 AM
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@zeeglen: When breadboarding it can help to do all your work on a new cookie baking sheet.  The raised edges keep small parts contained within your work area, and since your wrists can rest on the raised edges everything is at the same potential as the worker.

This is really good advice -- especially for younger people -- I have a young lad in mind (a friend's grandson) who is just starting to play with the Arduino -- his family doesn't have much money, so splashing out on earth straps and pads and those banana-to-power adapters would be out of his range -- also teaching him the discipline to use them correctly would be problamatic -- but the cookie sheet idea woudl be perfect for him -- I'll tell him when I see him next week. 

Sanjib.A
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Re: power strip and ground plug adapter
Sanjib.A   8/24/2014 9:26:38 AM
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Wow!! This is a cool little gadget!! Really appreciate the idea!! The only remaining thing is then to check if the ground point of the socket is "really" connected to ground.

zeeglen
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Re: Maybe...
zeeglen   8/21/2014 10:30:38 PM
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@Max I can so imagine this scene...

Well, the boss was not around and I don't know if he ever found out.  We were in the habit of touching the rack metalwork before touching boards, but my colleague forgot this one time.

zeeglen
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Re: Laptop grounded?
zeeglen   8/21/2014 5:27:10 PM
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@JLBrake you can use equipotential bonding.

When breadboarding it can help to do all your work on a new cookie baking sheet.  The raised edges keep small parts contained within your work area, and since your wrists can rest on the raised edges everything is at the same potential as the worker.  Just be sure to touch the cookie sheet first when starting a session, and maintain contact with the cookie sheet.

Max The Magnificent
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Re: Maybe...
Max The Magnificent   8/21/2014 5:15:56 PM
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@zeeglen: "It's not very hot."  Then a few seconds later "But it sure is getting hot now!"

I can so imagine this scene...

Max The Magnificent
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Re: Laptop grounded?
Max The Magnificent   8/21/2014 5:14:31 PM
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@JLBrake: Based on this post we are going to make some samples of a USB to banana jack adaptor to see how this would work.  The adaptor will allow a standard wrist strap to be connected to the USB.

You might want to make it a double-banana jack -- that way someone could connect both their wriststrap and their anti-static mat to the same USB plug

Max The Magnificent
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Re: Laptop grounded?
Max The Magnificent   8/21/2014 5:12:58 PM
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@JLBrake: ...If grounding to the electrical ground is not possible, you can use equipotential bonding....

WONDERFUL point -- I'm kicking myself for not thinking about this.

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