Ir Cut Filter; Description; Specifications - Libelium Waspmote Technical Manual

4.2. IR cut filter

4.2.1. Description

The Video Camera Sensor Board has got installed a IR cut filter. This light filter has two glasses inside. One glass allows take
images with day light without a pink hue in the image, it eliminates the light over 625nm. The other one allows to pass the light
spectrum between 400nm and 1100nm. This IR cut filter can work with Waspmote in all positions.
The filter are activated when the Waspmote uses the camera. The user can select the filter with the function
Please, refer to API chapter for more information.

4.2.2. Specifications

Height: 25.6 mm
Width: 5.5mm
Length: 30.5mm
Current consumption: 65mA
AR Glass Specification:
• Glass shape: 8.4*7.6mm(t=0.40mm)
• Wave Length(nm): 400~1100nm
Figure : Light transmission vs. WaverLength for AR Glass taken from IR cut filter data sheet
Blue Glass Specification:
• Glass shape: 8.4*7.6mm(t=0.55mm)
• IR filter cut wave length(nm): 625±10nm
Figure : Light transmission vs. WaverLength for Blue Glass taken from IR cut filter data sheet
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Night Vision
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selectFilter()
v4.3