Grounding is extremely important in electronic design. A proper ground is NOT just connecting to dirt or soil!
1. I grounded it, right?
Grounding is extremely important in electronic design.
A proper ground is NOT just connecting to dirt or soil!
Good grounding ensures electrical safety. Do you know how your home grounding is done?
Check out these three “amateur” grounding methods below – which one do you think is correct? Leave a comment!
Three wrong/funny home grounding practices
2. Special PCB Silkscreen Message
A message for anyone trying to remove chips from this PCB – just for fun!
PCB with humorous warning silkscreen
3. Historical Precipitation of Circuit Boards
A board “killed naturally” by time and environment.
I remember I buried a box of circuit boards in the ground when I was little. They probably look like this now.
Too bad I didn’t bury a box of vintage liquor instead!
Old, severely corroded PCB
4. Art
Art is everywhere in life – you just have to find it.
Look at this vintage switch. It reminds me of a classic line:
“What are you looking at?” / “What’re you gonna do about it?”
Those two screws are
perfect eyes!
Vintage switch with two screws resembling eyes
5. Are you this old?
You definitely remember these two gadgets.
Two big lies from childhood:
- The learning machine was NOT for typing – it was for playing games.
- The repeater was NOT for learning English – it was for listening to music.
Classic learning machine and language repeater
6. DC Power Plugs
DC plugs come in many specs: different diameters, polarities, etc.
Many engineers have been burned by wrong DC plugs. Save this for reference!
Various types of DC power plugs with specifications
7. Dot Matrix Board (Stripboard) as Multilayer PCB
This works best with enameled copper wire; otherwise, you’ll short it easily.
Any of you who love dead-bug wiring / point-to-point construction?
Dot matrix board with enameled wire wiring
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