These PCB Terminal Blocks are available in 2 pin and 3 pin versions.
Multiple of these connectors can be linked together via grooves along the side of
them. They simply slide together. This way any other pin format can be achieved!
The photo on the left shows two 3 pin connectors and a 2 pin connector linked
together to form a 8 pin connector. It shows two connectors, the one in the process
of being linked together, and the other already linked (slided) together.
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