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A configurable and modular probe device for electrical connections. The probe device has multiple blocks capable of inter-fitting into various layouts. Each block has four sidewalls. Two adjacent sidewalls have a protrusion and the respective opposite sidewalls have a cavity corresponding to the pro

A configurable and modular probe device for electrical connections. The probe device has multiple blocks capable of inter-fitting into various layouts. Each block has four sidewalls. Two adjacent sidewalls have a protrusion and the respective opposite sidewalls have a cavity corresponding to the protrusion. The protrusion of one block can removably mate with the cavity of a neighboring block. Each block further has a central cavity extending from a top surface to a bottom surface of the block. A probe snugly fits into the central cavity.

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1. A probe device for electrical connections, comprising: a first block having a first top surface, a first bottom surface, and a first plurality of sidewalls defining a first central cavity therein, a first sidewall of the first plurality of sidewalls including a first protrusion that has a first s

1. A probe device for electrical connections, comprising: a first block having a first top surface, a first bottom surface, and a first plurality of sidewalls defining a first central cavity therein, a first sidewall of the first plurality of sidewalls including a first protrusion that has a first shape and extends away from the first central cavity and a second sidewall of the first plurality of sidewalls including a first cavity that has a second shape that corresponds to the first shape and is directed towards the first central cavity;a second block having a second top surface, a second bottom surface, and a second plurality of sidewalls defining a second central cavity therein, a first sidewall of the second plurality of sidewalls including a first cavity that has the second shape and is directed towards the second central cavity of the second block such that the first protrusion of the first block is configured to removably mate with the first cavity of the second block;a first probe having a first probe shaft that is configured to fit within the first central cavity and to extend through the first central cavity from the first bottom surface to the first top surface, and having a first probe contact portion extending beyond the first probe shaft away from the first top surface, the first probe providing a first electrical contact between a first device and a second device that is different from the first device; anda second probe electrically insulated from the first probe and having a second probe shaft that is configured to fit within the second central cavity and to extend through the second central cavity from the second bottom surface to the second top surface, and having a second probe contact portion extending beyond the second probe shaft away from the second top surface, the second probe providing a second electrical contact between the first device and the second device,wherein the first block and the second block are each configured to removably mate with at least one additional block in order to provide a custom connection layout that can be asymmetrical for electrically connecting the first device and the second device. 2. The probe device of claim 1, wherein a third sidewall of the first plurality of sidewalls includes a second protrusion that has the first shape and extends away from the first central cavity, and a fourth sidewall of the first plurality of sidewalls is opposite the third sidewall and includes a second cavity that has the second shape and is directed towards the first central cavity. 3. The probe device of claim 1, wherein the first protrusion is opposite the first cavity. 4. The probe device of claim 1, wherein the first sidewall is adjacent the second sidewall. 5. The probe device of claim 1, wherein the first protrusion has a dovetail shape, and the first cavity has a dovetail socket shape. 6. The probe device of claim 1, wherein the first block and the second block are configured to position the first probe and the second probe such that the first probe and the second probe electrically connect the first device and the second device without a surrounding housing. 7. A probe device used for electrical connections, comprising: a block having a top surface and a bottom surface and defining a central cavity extending from the top surface to the bottom surface, the block having a protrusion extending away from the central cavity on each of two adjacent sides, the block having a cavity extending towards the central cavity on each of two other adjacent sides such that each protrusion is opposite each cavity respectively, and a shape of the protrusions corresponding to a shape of the cavities such that the probe device can be connected with additional probe devices in order to provide a custom connection layout that can be asymmetrical for electrically connecting two devices; anda probe having a probe shaft that is configured to fit within the central cavity and to extend through the central cavity from the bottom surface to the top surface, and having a probe contact portion extending beyond the top surface, the probe establishing an electrical contact between a first device and a second device that is different from the first device. 8. The probe device of claim 7, wherein the protrusion comprises a tongue. 9. The probe device of claim 7, wherein the protrusion comprises a tenon and the cavity comprises a mortise. 10. The probe device of claim 9, wherein the tenon has a cylindrical shape. 11. The probe device of claim 7, wherein the protrusion is centrally located with respect to the corresponding side of the block. 12. A modular probe device for electrical connections, comprising: a first block having a first top surface, a first bottom surface, and a first plurality of sidewalls defining a first central cavity therein, one of the first plurality of sidewalls including a first protrusion extending away from the first central cavity;a second block having a second top surface, a second bottom surface, and a second plurality of sidewalls defining a second central cavity therein, one of the second plurality of sidewalls including a first cavity directed towards the second central cavity, the first protrusion of the first block configured to removably mate with the first cavity of the second block;a first probe having a first probe shaft that is configured to fit within the first central cavity and to extend through the first central cavity from the first bottom surface to the first top surface, and having a first probe contact portion extending beyond the first top surface, the first probe providing a first electrical contact between a first device and a second device that is different from the first device; anda second probe electrically insulated from the first probe, having a second probe shaft that is configured to fit within the second central cavity and to extend through the second central cavity from the second bottom surface to the second top surface, and having a second probe contact portion extending beyond the second top surface, the second probe providing a second electrical contact between the first device and the second device,wherein the first block and the second block are each configured to removably mate with at least one additional block in order to provide a custom connection layout that can be asymmetrical for electrically connecting the first device and the second device. 13. The modular probe device of claim 12, wherein a sidewall of the first block opposite the first protrusion further includes a second cavity. 14. The modular probe device of claim 13, wherein a sidewall of the second block opposite the first cavity further includes a second protrusion. 15. The modular probe device of claim 12, wherein the first protrusion has a dovetail shape and the first cavity has a dovetail socket shape. 16. The modular probe device of claim 12, wherein the first protrusion has a tongue shape and the first cavity has a groove shape. 17. The modular probe device of claim 12, wherein the first protrusion has a tenon shape and the first cavity has a mortise shape.