Author: The MK

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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Ingress Protection Codes and Ratings

Ingress Protection Codes and Ratings Regardless of how smart your electronics are, they need protection against the elements and daily handling, which comes in the form of an enclosure that provides mechanical and/or water protection. Some recent notable devices are the water-resistant Samsung Galaxy S8, iPhone X and wearables such as the Apple Watch Series …

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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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