Sensor assembly with cleaning

A sensor assembly comprising:

• a housing including a first chamber and a second chamber, the second chamber fluidly connected to the first chamber;
• a first sensor disposed in the second chamber and including a first sensor window facing outward from the second chamber;
• a second sensor outside the first chamber and the second chamber, the second sensor being fixed relative to the first chamber and the second chamber, the second sensor including a second sensor window;
• and
• a blower having a blower inlet in the first chamber and a blower outlet in the second chamber;
• wherein the housing includes an intake from an exterior environment to the first chamber, a first outlet from the second chamber to the exterior environment, and a second outlet from the second chamber to the exterior environment;
• the first outlet is positioned to direct air across the first sensor window;
• and
• the second outlet is positioned to direct air across the second sensor window.