Pogo pin connector

A connector and sensor assembly, the assembly including:

• a connector including:
• an opening with an internal surface, and
• a plurality of retractable electrical connectors extending from the internal surface, wherein the plurality of retractable electrical connectors are arranged in a staggered spatial configuration that spans a plurality of rows on the internal surface;
• and
• a sensor assembly including:
• a body portion, and
• a proximal end with a top side and a bottom side, wherein the top side includes a plurality of electrical contacts, and wherein the proximal end is configured to be removably inserted into the opening of the connector,
• wherein the plurality of electrical contacts includes an electrical contact that serves as a grounding line, and
• wherein at least one of the plurality of retractable electrical connectors is configured to contact the electrical contact that serves as the grounding line before electrical connection is established between rest of the plurality of retractable electrical connectors and rest of the plurality of electrical contacts.