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Brightness Sensor / Ambient Light Sensor
Dasher has a Brightness Sensor aka Ambient Light Sensor to measure the environment light
conditions and to adjust brightness of the display to save power and to provide a backlight
setting that suits the environmental ambient light. .
Key Features:
Sensor will measure the environment light conditions
Optical filter used with the Brightness Sensor chip that provides a light response similar
to that of the human eye
Hardware Requirements:
Interface to MCU: I2C
Differentiation from full darkness to direct sunlight
Customer Display
the performed merchant task.
Same as the merchant display the customer display should be exchangeable with other, similar
displays. The power supply for the logic needs to be adjustable without modifications on the
main board layout.
The currently selected display is connected via MiPi 2 lane. In the future it might be required to
use displays with MiPi 4 lanes. In this case an adapter board will be used with a converter chip
to convert the signal from MiPi 2 lanes to Mipi 4 lanes. This adapter board needs to be
connected to the main PCB of Dasher.
Key Features:
shows information independent of the merchant display
IPS-
Power-saving Features to dimm and shut off the display
Dasher should be able to support other, similar displays electrically
Hardware Requirements:
Cover Lens
Air-bonding with Display
Cover Lens (CG), glass type: tempered glass
confidential - © NumberFour AG
min 854x480 @ 50Hz resolution and minimum of 262k color
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