Land Boards – Using Pogo Pins in Specialized Test Equipment

This video presents using pogo pins for custom test equipment. Pogo pins, or spring loaded pins, are useful for quite a few types of testers. One example situation is our screwduino card as testing it required screwing and unscrewing a lot of terminals and having pins that spring loaded down onto that was much more convenient.

For the tester we sandwiched together several old revision cards and the lower two cards keep the test pins straight and the upper card is where pins are soldered into. There’s the bottom view of the card where you can see the pins sticking out from the bottom. And here’s a zoomed in picture in which I note carefully the head type as a kind of contact that will make good connection to screw terminals. There’s also a view of the test card sitting on top of a unit to be tested, a side view of the same tester, and finally a view from the other side.

When you go to use the tester, you have to press down with fair amount of force which normally requires two hands. The chip in the center of this card near the top connects up to breadboard pins and those are inaccessible from an external connector so we put some pogo pins on a small test card which includes resistors and LEDs as well as a connection down the ground.

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Using Pogo Pins to make Specialized Test Equipment.
http://land-boards.com/blwiki/index.php?title=Pogo_Pins

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