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Meet Charlie

Meet the Team – Charlie Kellerman

At Punch Through, we encourage everyone to proudly be themselves and want you to know the people behind the work that we’re so proud of. That’s why we launched our “Meet the Team” series, where we introduce you to one of our team members each month.  Meet Charlie. He’s our hardware engineer who designs and tests circuit boards. In his spare time, he likes to go out with friends, play golf, hockey, and broomball, and watch…
Gretchen Walker - mobile software engineer

Meet the Team – Gretchen Walker

At Punch Through, we encourage everyone to proudly be themselves and want you to know the people behind the work that we’re so proud of. That’s why we launched our “Meet the Team” series, where we introduce you to one of our team members…
Embedded Engineer standing in office

Meet the Team – Amanda Nguyen

At Punch Through, we encourage everyone to proudly be themselves and want you to know the people behind the work that we’re so proud of. That’s why we launched our “Meet the Team” series, where we introduce you to one of our team members…
Andy Lee standing in the Punch Through office

Meet the Team – Andy Lee

At Punch Through, we encourage everyone to proudly be themselves and want you to know the people behind the work that we’re so proud of. That’s why we launched our “Meet the Team” series, where we introduce you to one of our team members…
Alec Letourneau standing in Punch Through office

Meet the Team – Alec Letourneau

At Punch Through, we encourage everyone to proudly be themselves and want you to know the people behind the work that we’re so proud of. That’s why we launched our “Meet the Team” series, where we introduce you to one of our team members…
Erin standing in Punch Through office

Meet the Team – Erin Moore

At Punch Through, we encourage everyone to proudly be themselves and want you to know the people behind the work that we’re so proud of. That’s why we launched our “Meet the Team” blog post series, where we introduce you to one of our team…
Punch Through Hiring Process Blog Post Image

What to Expect when Applying at Punch Through

Looking for a new job is stressful. There’s very little satisfaction in applying to jobs online, and the hiring process can be confusing. You spend hours online reading about various companies, scour through job descriptions, and fill out…
Intern Louis in the Punch Through office with an office dog, Archer

Meet the Team – Louis Barrett

We encourage everyone to proudly be themselves and want you to know the people behind the work that we're so proud of. That's why we are launching a "Meet the Team" blog post series, which highlights one of our team members.  Meet Louis,…
Karel standing in the Minneapolis Punch Through office

Meet the Team – Karel Kalthoff

We encourage everyone to proudly be themselves and want you to know the people behind the work that we're so proud of. That's why we are launching a "Meet the Team" blog post series, which highlights one of our team members.  Meet Karel,…
Computer coding with Android and Bluetooth symbol - Android BLE tips

4 Tips to Make Android BLE Actually Work

Android development is hard, and it's no thanks to its relatively fragmented ecosystem and having a million OEM’s out there. Throw BLE—which is extremely hardware and Bluetooth spec. dependent!—into the mix and the platform's behavior becomes…
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CoreNFC – The Missing Link

Near-field communication (NFC) is standardized by ISO/IEC 18092. While not a new technology it has become more important with the proliferation of mobile devices. Phone manufacturers have increasingly begun to incorporate NFC hardware in their…
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Maximizing BLE Throughput on iOS and Android

Still confused about how fast you can really send data over Bluetooth Low Energy? It's not just you. A google search will turn up many incomplete answers. Each OS and device has it’s own restrictions, such as connection interval and number of…
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WTF is an iBeacon

At this year’s WWDC, Apple quietly announced one of their upcoming products for iOS 7, the iBeacon. Even if you’ve been following WWDC and the iOS 7 announcements, you might not have heard of the iBeacon. And even if you’ve heard the name,…
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How GAP and GATT Work

Bluetooth Low Energy (BLE) is a protocol developed by Bluetooth SIG that builds on the lessons learned from building lots of Bluetooth Classic devices. Compared to Bluetooth Classic, BLE consumes less power, requires less time and effort to…
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Testing Bluetooth Low Energy Devices

Bluetooth Low Energy is a new Bluetooth standard that is exciting for a couple reasons- it enables very low power battery applications, and it further opens the smartphone accessory market. LightBlue allows you to test and simulate Bluetooth Low…