Prototype Optical Bee Counter

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Adrian
Prototype Optical Bee Counter

I have been experimenting with an optical bee counter utilizing HY810H gap sensor.
The sensor LED emits a weak infrared beam across a 10mm gap and strikes an integral photo diode.
Two sensors in series create the ability to detect the direction of bee travel in and out. Multiple pairs will be requires to count all bees.
Initial hive entrance results are encouraging, we have been attempting to capture video as the bees transit the counter to validate readings.
A concern is the 32 sensor aggregate power consumption for a solar powered configuration.
More details on my Hivetool pages http://hivetool.org/w/index.php?title=User:Adrian

If anyone is interested in corroborating in further development please chime in.