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VIDEO Circuit Breaker Basics

Learn about the different types of AC and DC circuit breakers and their internal function in this Another Teaching Moment from Digi-Key Electronics.

REFERENCE DESIGN MAXREFDES100#: Health Sensor Platform

Designing a custom wearable product can be complex. The MAXREFDES100 Health Sensor (hSensor) Platform eliminates the extra time it typically takes to develop a prototype.

ARTICLE Board-Mount DC/DC Converters in Medical Applications

If an AC/DC converter is designed into a medical application, the dangers are obvious – if its isolation fails, you could have a lethal voltage on connections to sensors or devices in contact with operators or patients.

VIDEO IoTize Tap Manager for iOS

iOS app for Tap Manager.

REFERENCE DESIGN EVB_RT8555WSC: 35 mA @ 36 V (Max) x 6 LED Channels, 2.7 ~ 24 V in

The RT8555WSC Evaluation Board is a high efficiency driver for white LEDs. It's suitable for single/two cell battery input to drive LED light bars which contains six strings in parallel and up to 10 WLEDs per string.

ARTICLE How to Integrate a Peltier Module into a Thermal Management System

Peltier modules can enable a compact, lightweight, and power-efficient solution; but in order to create an optimized thermoelectric system, some design work is needed to properly integrate and power the device.

VIDEO Shaken, Not Stirred [Maker Update #133]

This week on Maker Update, a morphing orb, rebooting Make, a Pi TV wall, Apollo 11 projects, 3D printed lock picking, and an Arduino irrigator.

REFERENCE DESIGN 3657: ATSAMD09 Seesaw SAM D ARM® Cortex®-M0+ MCU

Adafruit seesaw is a near-universal converter framework which allows you to add and extend hardware support to any I²C-capable microcontroller or microcomputer.

VIDEO The New Raspberry Pi 4B Functional Comparison to the Pi 3B+

Learn the similarities between the new Raspberry Pi 4B and Raspberry Pi 3B+ as well as the upgrades in speed, capability, and overall performance.

ARTICLE How to Assess and Use Zero Delay Clock Buffers to Protect Timing in Synchronous Digital Systems

As digital systems increase in performance, designers need to pay increasingly meticulous attention to the design of the clock generation and distribution circuits.

REFERENCE DESIGN STEVAL-ILL053V2: 2.7 A @ 48 V Max, 85 ~ 305 Vin

The STEVAL-ILL053V2 evaluation board implements a 130 W LED power supply for street lighting.

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App Note Archive

The engineering library contains thousands of quality application notes and white papers from Digi-Key manufacturers.

Conversion Calculators

Digi-Key's online conversion calculators offer a one-stop resource for many electronics industry calculations.

Resistor Color Code Calculator Capacitance Conversion Battery Life Calculator BTU/Joules Converter Pressure Conversion View More