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Project Spotlight – Philips Medical

Detail image of a custom remote control with keypad, overlay and molded enclosure
Several years ago, we were approached by Philips Medical Systems to design and produce a semi-custom remote control that was to be used for a new Tele-Health initiative. The scope of the project was to develop an IR remote control that would communicate with their custom set-top box (STB), using an existing remote control enclosure.…
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Ocean Freight Shipping Lead-Times

Picture of a large container ship approaching a berth
I am happy to report good news from our freight forwarder. Ocean freight lead-times have come down from the Covid-19 highs of 12-16 weeks to a pre-Covid normal of 4-6 weeks. While the actual shipping time from Korea to Los Angeles is only 10-12 days, the great majority of the lead-time is unloading the containers,…
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Bluetooth LE Pairing – Step by Step

This is an excellent article on Bluetooth pairing and provides a general overview of the pairing process. A remote control control would typically pair to a single device, like a set-top box or camera, and use either a Secure Connection (SC) or Legacy Pairing Method. A remote would normally be used in a private environment, where the security requirements would be lower than devices used in a public space.

Celadon works closely with clients to define functional and security requirements for Bluetooth products to ensure optimum performance and usability.

allaboutcircuits.com
Understanding Bluetooth LE Pairing—Step by Step - Technical Articles
Pairing is an important concept in Bluetooth LE. Let’s examine the fundamentals of Bluetooth LE pairing, outlining how LE devices securely share keys between trusted devices.