Increase face_detection contrast.
@@ -17,7 +17,7 @@ import sensor, time, image
sensor.reset()
# Sensor settings
-sensor.set_contrast(1)
+sensor.set_contrast(3)
sensor.set_gainceiling(16)
# HQVGA and GRAYSCALE are the best for face tracking.
sensor.set_framesize(sensor.HQVGA)
