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@InProceedings{rolland:icalepcs2019-wempl007,
author = {M.T. Rolland and K.J. Gofron},
title = {{EPICS Controlled Wireless Sensors}},
booktitle = {Proc. ICALEPCS'19},
pages = {1015--1019},
paper = {WEMPL007},
language = {english},
keywords = {controls, network, EPICS, interface, software},
venue = {New York, NY, USA},
series = {International Conference on Accelerator and Large Experimental Physics Control Systems},
number = {17},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2020},
issn = {2226-0358},
isbn = {978-3-95450-209-7},
doi = {10.18429/JACoW-ICALEPCS2019-WEMPL007},
url = {https://jacow.org/icalepcs2019/papers/wempl007.pdf},
note = {https://doi.org/10.18429/JACoW-ICALEPCS2019-WEMPL007},
abstract = {At the trade-off of power, wireless technologies are much more portable and convenient than their wired counterparts. This is especially true in the scientific sphere, where many environmental factors must be recorded at all times at as many locations as possible. Using these technologies, scientists can often reduce cost while maximizing the number of sensors without compromising sensor quality. To this end, we have developed EPICS controllers for both Bluetooth Low Energy (BLE) sensors and XBee ZigBee sensors. For BLE, we chose the Nordic Thingy:52 for its low cost, high battery life, and impressive range of sensors. The controller we developed combines EPICS base functions, the Bluetooth generic attribute data structure library, and multithreading techniques to enable real-time broadcast of the Thingy’s 20+ sensors’ live values. Because BLE is limited in range, we also developed a controller for the XBee sensor which, through the ZigBee mesh protocol, can expand its range through each node added into the network. With these controllers, NSLS-II scientists will have access to a whole new class of sensors which are both easier to deploy and cheaper than their wired predecessors.},
}