ELECTRONIC EDGE COMPUTING DEVICE

1 . An electronic edge computing device without a display and without a hardware input keyboard, the electronic edge computing device comprising:

a light source that emits light of at least two colors, wherein a light emission mode of the light source comprises an on mode, a blink mode, and an off mode; and

a controller that controls a color of the light emitted from the light source and the light emission mode of the light source based at least in part on a state of the electronic edge computing device.

2 . The electronic edge computing device according to claim 1 , wherein

the light source comprises a light emitting diode that emits light of at least two colors.

3 . The electronic edge computing device according to claim 1 , wherein

the electronic edge computing device includes a battery-powered device,

the light source comprises a first light emitting diode that emits light of at least two colors and a second light emitting diode that emits light of at least two colors, and

the controller controls the color of the light emitted from the second light emitting diode and the light emission mode of the first light emitting diode based at least in part on a charging state of the battery.

4 . The electronic edge computing device according to claim 1 , further includes

an embedded controller with a firmware, and

wherein:

the controller controls the color of the light emitted from the light source and the light emission mode of the light source based at least in part on a state of the firmware of the embedded controller.

5 . The electronic edge computing device according to claim 1 , wherein

the controller controls the color of the light emitted from the light source and the light emission mode of the light source based at least in part on a state of a basic input/output system of the electronic edge computing device.

6 . The electronic edge computing device according to claim 1 , wherein:

the controller controls the color of the light emitted from the light source and the light emission mode of the light source based at least in part on a state of an operating system of the electronic edge computing device.

7 . The electronic edge computing device according to claim 1 , wherein:

the controller controls the color of the light emitted from the light source and the light emission mode of the light source based at least in part on a state of sign-in of the electronic edge computing device.

8 . The electronic edge computing device according to claim 1 , wherein:

the electronic edge computing device further comprises operation buttons; and

when at least one of the operation buttons is operated, the controller controls the color of the light emitted from the light source and the light emission mode of the light source based at least in part on an operation of the at least one of the operation buttons and a manner of the operation of the at least one of the operation buttons.

9 . The electronic edge computing device according to claim 8 , wherein:

the operation buttons are locked when a first operation button of the operation buttons is operated;

the operation buttons are unlocked when a second operation button of the operation buttons is operated; and

the controller controls a number of blinks of the light source in the blink mode when the operation buttons are locked or when the operation buttons are unlocked.

10 . The electronic edge computing device according to claim 9 , wherein:

when the at least one of the operation buttons is operated, the controller controls the number of blinks of the light source in the blink mode based at least in part on a locked state or an unlocked state of the operation buttons.

11 . The electronic edge computing device according to claim 8 , wherein:

when the at least one of the operation buttons is operated, the controller controls a blink rate of the light source in the blink mode based at least in part on an update state of a basic input/output system or an operating system of the electronic edge computing device.

12 . The electronic edge computing device according to claim 8 , wherein:

the electronic edge computing device connects to an internet connection; and

when the at least one of the operation buttons is operated, the controller controls the color of the light emitted from the light source and the light emission mode of the light source based at least in part on a connection state of the electronic edge computing device with the internet connection.

13 . The electronic edge computing device according to claim 8 , wherein:

when the at least one of the operation buttons is operated, a power state of the electronic edge computing device is set to a power off state, a sleep state, a hibernation state, or a power on state; and

the controller controls the color of the light emitted from the light source and the light emission mode of the light source based at least in part on the power state of the electronic edge computing device.

14 . The electronic edge computing device according to claim 8 , wherein:

the electronic edge computing device comprises a battery-powered device; and

when the at least one of the operation buttons is operated, the controller controls the color of the light emitted from the light source and the light emission mode of the light emitting diode based at least in part on a remaining power of the battery.

15 . The electronic edge computing device according to claim 14 , wherein when the at least one of the operation buttons is operated, the controller controls a number of blinks of the light emitting diode in the blink mode based at least in part on the remaining power of the battery and a connection state of the battery to the electronic edge computing device.

16 . The electronic edge computing device according to claim 8 , wherein:

the electronic edge computing device comprises a casing comprising a flat rectangular parallelepiped shape;

the operation buttons are provided at a front surface of the casing; and

the light emitting diode is provided at a side surface of the casing, the light source protruding from the side surface of the casing.

17 . The electronic edge computing device according to claim 8 , wherein:

the electronic edge computing device comprises a casing comprising a flat rectangular parallelepiped shape;

the operation buttons are provided at a front surface of the casing; and

the light source is provided in a side surface of the casing and the front surface of the casing, a part of the light source exposed in the front surface.

18 . The electronic edge computing device according to claim 17 , wherein a diameter of the light source is equal to or greater than a half of a thickness measured from a top surface to a bottom surface of the casing.