Category: Tech bites

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Medical Device Design

Designing a new product that benefits the society is very rewarding, but it faces multiple obstacles before it can move into production and land in the hands of your end-users. For most devices, regulatory approval is often required before deploying a product to market. Medical devices are notorious for strict regulatory requirements. One regulatory requirement …

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Effects of EM radiation on the human body from nearby communication devices

There is increasing public concern that adverse health effects may arise from exposure to radiofrequency (RF) sources, particularly due to the increasing use of mobile and wearable devices with growing radio-communication capabilities such as GSM, Wi-Fi, and Bluetooth. This is particularly true with wearables, which are usually worn on the body and sometimes in direct …

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Designing with Bluetooth 5

One of the ubiquitous wireless communication methods has gotten even better. Bluetooth SIG has released Bluetooth 5 (BT5), an enhancement to the current Bluetooth Low Energy v4.2. The key updates to Bluetooth 5 are 8x data, 4x range, and 2x speed, as well as improved interoperability and coexistence with other wireless technologies. For a designer and …

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Introduction to electronic jigs

The final step in an embedded system typically occurs when the firmware or code is flashed into the micro-controller/processor on a PCB and the process almost always requires some sort of physical connection. There are two main methods of momentary contacting assembled electronics – flying probe testing (woodpecker) or a bed-of-nails test fixture. Both methods …

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Bluetooth Low Energy – iBeacon basics

iBeacon is a protocol developed by Apple Inc. in 2013. In short, iBeacon technology allows mobile applications to understand their position on a micro-local scale, and deliver location-specific contextual content to users based on their proximity. The underlying communication technology is Bluetooth Low Energy (BLE). The protocol take advantages of the BLE technology to bring …

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