Paul's Apiary

One of Paul's hives is on an electronic hive scale. This hive is an overwintered 3 deep which was split on 5/10/2018 and has a 2 year old Saskatraz queen. The scale is powered and monitored by a Raspberry Pi B+ computer and is connected to a 12 volt battery and solar cell. On the graph two temperatures are noted. The first is the ambient temperature and the second is the hive temperature measured just under the hive cover. Programming that records the "honey weight" only records weight increases or decreases less than 1 pound since the last reading (15 minutes). This is meant to capture changes due to bees, pollen, and nectar but ignore changes due to events such as adding supers or forgetting to put the "rock" on top of the outer cover. The "hive weight" is the gross weight of the hive.

These results are recorded and depicted on the graph below. The computer and the sensor probes are powered by a 12 volt, sealed cell battery and kept charged with a small solar panel. This system ran successfully during the summer of 2017 and was able to maintain battery power even in periods of extended rain. During the winter of 2017-2018 it was necessary to occasionally use a battery charger to supplement the solar cell. Low sun angle and short days did not yield enough energy during cloudy days.