PCB Fabrication

pogo pin programming connector

by:A-TECH      2020-03-07
Pogo pin is spring-
Load conductive pins for temporary electrical connections.
They are commonly used to test electrical signals on printed circuit boards.
I have a project recently and I need to make 400 identical boards.
Each has an ATtiny micro-controller that needs to be programmed. Using a clip-
On programmers, it seems to be the best way to program all motherboards.
This special micro-controller requires 6 electrical connections to program using Arduino as a programmer (
See this description for more information).
I added 6 rectangular test points on one edge of the board.
The spacing between them.
This structure shows how I made the clip. on connector.
Parts: cut a part of the prototype board of the stripboard into small size with a fixture saw and polish the edges.
I need 6 connectors for my project, so I\'m using 6 lines of each row with 8 holes.
This gives a good size. 6\" x .
My spring clip fits well.
There are two cut sections in the picture above to allow errors along the way.
Pass the pogo pin through the holes at the end of each line of the board and weld it in place.
You should install the board by hand at the top of the clip to make sure the pins are in good place to come into contact with the board to be programmed.
The position of the pins should make them spring compressed a little while the clip holds the plate to be programmed.
For my project, the connection order when facing the edge of the board is: GND, pb0.
PB1, pb 2, reset and Vcc.
I chose to use the corresponding jumper in the order of: black, blue, green, yellow, orange, red.
Place the end of the first line in a hole of a pin that is sufficiently prominent, so that after welding it can be bent flat against the plate.
Welding in place.
Continue the remaining wires along the way.
Then carefully bend the wire flat to the edge of the plate.
If you wish, add the appropriate shrink tube at the end of the strip board and wire.
With a hot gun (
Hair dryer works)
, Heat the pipe until it shrinks around the plate and wires.
Use a hot glue gun to connect the plate to the ends of the clip in the appropriate position.
Put it there until the glue is set.
Then fix it with a small zipper or two.
Complete Pogo programming clip!
Try to clip it on your board and program it with it.
Again, for my project, the device to be programmed is the ATtiny85 micro-controller.
Testing this requires connecting the other end of the 6 jumpers to the appropriate holes of the Arduino as described in this manual.
Here is a link to a specific board for this pogo clip.
The connection point is at the bottom of the board (
Click on \"layer\" and \"bottom\" to see).
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