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The performance of indoor illumination control in many applications, such as in an intelligent building, relies on the quality of the light sensors. In many cases, the light level is not uniform and depends on the direction of the illumination source. It usually requires multiple sensors set up in different directions to gather the overall light level. We propose a system that can provide multi-directional light sensing data by rotating a single sensor. This approach overcomes the problem ofdoi:10.25046/aj050626 fatcat:pcdoelhpzffcjc7z4n3abi64ky