![designing for operations](https://cdn.sanity.io/images/14xthjfi/production/7a3506dc30152801c77d3ac35d143d0eab00fca9-3600x2400.png?rect=0,187,3600,2026&w=542&h=305&auto=format)
Hologram Blog
Stories about IoT and connectivity from the team at Hologram.
Hardware
![designing for operations](https://cdn.sanity.io/images/14xthjfi/production/7a3506dc30152801c77d3ac35d143d0eab00fca9-3600x2400.png?rect=0,187,3600,2026&w=542&h=305&auto=format)
![IoT devices and SIM cards](https://cdn.sanity.io/images/14xthjfi/production/7370d98672e7eacb884d5015328954a5a50ccd3f-3600x2026.png?w=542&h=305&auto=format)
How to select hardware for an IoT device
Hardware
Sara Shoemake
December 19, 2022
![man working at manufacturing facility](https://cdn.sanity.io/images/14xthjfi/production/6cbe3fcbfa65774793ac0a9eaaac5b22730f7cef-1800x1013.jpg?w=542&h=305&auto=format)
Everything you need to know about IoT testing
Hardware
Maggie Murphy
February 16, 2022
![iOT Development Boards](https://cdn.sanity.io/images/14xthjfi/production/64c991e8b395e9153de8b627d5fff39fed8b8a47-1704x959.jpg?w=542&h=305&auto=format)
The 13 best IoT development boards & shields in 2022
Hardware
Maggie Murphy
February 8, 2022
![Arduino IoT hardware](https://cdn.sanity.io/images/14xthjfi/production/d32de06b40f96da18ac01664beab57bc6b853042-1800x1012.jpg?rect=1,0,1798,1012&w=542&h=305&auto=format)
8 best IoT hardware platforms (2022 edition)
Hardware
Maggie Murphy
December 22, 2021
![illustration of an eSIM](https://cdn.sanity.io/images/14xthjfi/production/15cf514afa95b8360d3aea8b5b253481017b6208-1800x1094.jpg?rect=0,41,1800,1013&w=542&h=305&auto=format)
What is an eSIM and how is it changing industries?
Hardware
Kelli Harris
October 27, 2021
![SIM card](https://cdn.sanity.io/images/14xthjfi/production/737b35d5fbd1ba3aac26ffb00a106d32d1b30364-1000x790.jpg?rect=0,114,1000,563&w=542&h=305&auto=format)
What is an ICCID number and why does It matter for cellular IoT?
Hardware
Quintin Carlson
September 24, 2021
![An aerial view of a construction site with yellow and orange diggers](https://cdn.sanity.io/images/14xthjfi/production/9e8f49e30e908fe8ddb7e89ede93b32fccb7cdce-1200x799.jpg?rect=0,63,1200,675&w=542&h=305&auto=format)
10 best IoT asset tracking systems
Hardware
Ryan Lee
September 24, 2021