A small board to multiply 4 pins on your mcu. 2 pins into 5 each, and 2 pins into 3 each.Designed by andrd in United States of America
** There doesn't seem to be any interest in these; maybe it was too simple of an idea. Regardless I dont check tindie as often since i never have any sales, so apologies if you do gbuy one and it ta…Read More…
The more you buy, the bigger the discount! Since they're so small shipping just one or two is more resource intensive than 5+
Sept 2022 - They're only available pre-soldered now, i was bored and finished soldering them all Also switched it to be sold in bundles of 5. The price per 5 drops as you order more
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This is a tiny PCB with 2x5 pin headers and 2x3 pin headers. each header's pins are linked together, for a total of 4 separate pin groups.
I had been making a lot of projects with microcontrollers, mostly for home automation, IoT, and midi devices. A lot of times I would have just one power and ground pin to link everything to, and I didn't like the rat's nest of wiring that I'd inevitably end up with. I had seen other bus bar type boards for just power connections, but thought that having a few more pin groups for other io pins would be beneficial as well. I also wanted to try my hand at making a PCB, and thought this would be a good way for me to get my feet wet.
They are relatively easy to construct, and use standard pitch header pins which lets you use whatever method of connection you'd normally use. I've also used colored header pins to help easily identify what is what. If you end up needing 5 separate pins, you could solder your source to the underside of the board. Or you can just use a jumper wire from your microcontroller pin to one of the pins in the group. I also included (hopefully) robust plated mounting holes for you to mount however you see fit. If you're just prototyping with them with jumper wires they should be reusable for many projects.
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