Overnight my Echo began flashing a white light. I do not know what it means nor can I get it to stop.

When Smart device Alexa flashing Red Ring light that means that Alexa offline mode.
This is becasue the Alexa mute button is Turn off condition and Alexa red ring issues arise. But some time internet or wireless network is not working situation and Alexa ring light problem arise.

If Your Echo is Blinking or Flashing Yellow: You've Got Mail! If the Echo is pulsing yellow, that means that you've got a message in your inbox, and you might want to check it out. The easiest way to check out the message and disable the flashing yellow light is to simply ask Alexa to read your messages to you.

While using the camera, you can see the battery logo on the screen.
When the logo is white, the battery is full, after a while 1/3 will be dark. little longer, 2/3 and when the battery is (almost) flat it is complete dark. Then you must stop shooting and recharge the battery.
On the end of the charging cable, the plug that goes into your camera, has an indication light.
As long as the battery iOS charged, the light will be red. When the battery is fully charged, the light will be green. But if it starts flashing, something is wrong with the battery. Or at least the charging went wrong.
When you are using the AC adopter, an orange led can come on on the cable, meaning the battery is discharged.
All to be found in the manual, page 15 and 16

Hi rodalynnedel,

If there is more light in the background making the picture white then you need to turn off the focus of your camera or choose an auto focus mode , which will stop your camera's focus depending on the light in the background.

So I would suggest you you to switch off the flash and then check if it works fine for you.

When you have to turn of the flash you press the flash button with an arrow mark on camera and then select the icon which has a cross vertical line on the arrow , that is the mode which switches off the focus.

Hope this helps ....:) Let me know in case you have any queries, your feedback would be appreciated.

Try :
csupport (at) harman (dot) com
Theyre very helpful
I used to work there.

KODAK Easyhare digital camera light status
1. Blinking green light(or blinking blue or white light in some models) - Means camera is performing a power up procedure. Note: Wait a few moments to see if the camera displays a solid green (or blue or white) light or a blinking red light.
2. Solid green light(or blinking blue or white light in some models) - Means Camera has sufficient power
3. Blinking red light - Means camera batteries are weak or need replacement; If battery are new and still red light camera needed to be repaired

For futher assistance contact Kodak support line 1 800 235 6325 (23KODAK)

flashing means there is a engine misfire such has bad plug, plug wires, injector, etc...

Find a new supply of "Duracell Ultra with M3 Technology" batteries and give them a try. The flashing red light is usually an indication that the batteries you have in the unit are not producing sufficient power to run the camera. Rechargable batteries are should have a rating of 2500mAh or above in order to provide enough power to maintain the draw from the camera.

Hope this helps!

OpenSource13