The most-viewed content from the past week covered solar cell technology, MQTT, HMI and SCADA systems and more.

Control Engineering’s top 5 content over the past week covered solar cell technology, MQTT, HMI and SCADA systems and more. Links to each article below.
1. Paper-thin solar cell can turn surfaces into power source
MIT researchers develop a scalable fabrication technique to produce ultrathin solar cells that can be seamlessly added to any surface. See video.
2. Leveraging MQTT, industrial edge devices in automation projects
Message queuing telemetry transport (MQTT) and industrial edge devices remove systemic limitations, communicate more data and improve system security for IIoT implementations.
3. HMI/SCADA systems: Upgrade your migration
When upgrading human-machine interface (HMI) and supervisory control and data acquisition (SCADA) software, don’t just create a new version of the old. Enable workers with advanced HMI/SCADA capabilities after migration. See five tips for optimizing HMI/SCADA screens.
4. Automation mergers, acquisitions, capital markets analysis: December 2022
The Bundy Group reported 13 automation transactions in the month of December. Analysis on the acquisitions and reports are highlighted below.
5. Developing a sustainable SCADA solution for global agribusiness
A global agribusiness developed a sustainable supervisory control and data acquisition (SCADA) system for their company.
The list was developed using CFE Media’s web analytics for stories viewed on controleng.com, December 26 to January 1, 2023, for articles published within the last two months.
Chris Vavra, web content manager, Control Engineering, CFE Media and Technology, [email protected].