0.3" spacing. Fine gauge insulated wire run along SENS3 wire and loomed in white heat-shrink tubing.<br />
{| class="wikitable"
|+Card edge - 40-pin, looks like ISA spacing0.100" card edge connector
!Pin Number
!Function
|Around 9VDC measured, 3x3V batteries
|}
Compatible connector: TE Connectivity AMP Connectors 5-5530843-4 such as Digi-Key A31723-ND[https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/5-5530843-4/770549]
*