“Gets hot! More due to the project than a fault with the heat sink. Used with zero and camera module for a bird cam, which has the camera running continuously.”
“Does exactly what you expect. Does it well. Be sure to consider whether there is room for pHATs, HATs, or other items which might be above. I haven't done specific checks to determine exactly how effective. Subjectively, however, I have seen improvements from before and after.”