Low-Power Long-Range Wireless Technologies for Wireless Sensor Networks in the Internet of Things

Using LPWAN networks for IoT designs allows for longer connection ranges and fewer base stations are required to support wireless nodes.

Combining Multiple Proximity Sensors Using a Single I²C Bus

Learn about the high levels of accuracy needed in proximity sensing and how they are being met by suppliers including STMicro and Fairchild.

Why and How to Sinusoidally Control Three-Phase Brushless DC Motors

Learn how integrated motor drivers and controllers can accelerate the design process and lower costs.

10 Things to Know Before Starting Your Arduino Project

10 tips for Arduino project designers that will save you time, money, and frustration. Arduino boards and accessories are available at Digi-Key!

Module or Discrete Power?

A brief analysis of the benefits of using modular power supplies over having to design discrete solutions.

Using AMP DC/DC Converters to Achieve True Digital Power Interoperability

By using interoperable digital power converters based on rapidly developing AMP Group standards, designers can ensure design longevity and supply-chain continuity.

Smart Lighting – Automatic Dimming for Human Preference

Learn about Ambient Light Sensors (ALS) and the options available for selecting the optimal device for your application including products from Vishay.

Hardware Offload Increases Energy Efficiency of Flow Sensors

How hardware offloading of flow sensors increases CPU core sleep time and increases overall system energy efficiency.

Simplifying Time-of-Flight Distance Measurements

See how time of flight (ToF) works and how devices such as TI’s TDC7201 and the Intersil ISL29501 are helping to meet ToF’s evolving needs.

Rapid Development of a Bluetooth-Enabled, Wireless-Charging Wearable

The WDK1.0 wearable development kit from ON Semiconductor is a system-level, hardware/software kit helping developers to quickly create wearable products.

Energy Harvesting Power Management for Wireless Sensor Networks in the Smart City

Review components that improve energy harvesting power management in wireless sensor networks in smart city applications.

How to Design an Intelligent LED Lighting System Using Bluetooth Smart

An overview of Texas Instrument’s BLE Light Reference Design.

Understanding the Real Benefits of Flexibility and Configurability in Power Systems Design

Learn the benefits configurable power supplies offer program designers and users which arguably makes them a first choice rather than last option.

使用監控設備計時器提升 IoT 系統耐用性

瞭解內部與外部監控設備計時器 (WDT),以及這些 WDT 如何協助設計人員提升系統耐用性。

Can Proprietary Protocols Cut the Cost of Simple Sensor Networking?

Texas Instruments' SimpliciTI is an easy-to-us protocol that helps designers save costs and creates efficiencies in home automation and smart living applications.

How and Why to Use PIN Diodes for RF Switching

Maxim’s versatile, compact, low-power, and cost friendly IO controller platforms meet the needs of a variety of industrial sensing designs.

利用小型 IO 平台實現工業自動化

本指南說明在 RF 切換設計中使用 PIN 二極體的方式,包括 PIN 二極體的使用時機與方式,以及享有的優勢。

Using Proximity Detection and Ambient Light Sensing to Save IoT Device Power

Proper application of VCNL4100 ambient light and long-range proximity sensor can lower power consumption and provide better user experience for IoT designs.


使用 STMicroelectronics 的 STM32 型 Nucleo 板以及對應的 FP-CLD-BLUEMIX1 軟體套件,可簡化感測器與雲端的連線。

AC Input Electronically Commutated (EC) Fans

Electronically commutated fans offer designers many benefits including energy efficiency, longer design lifetime, less system maintenance, and quieter system operation.



Daylight-Sensitive Efficient Lighting

Examining the use of wireless MCUs and sensors to create efficient lighting solutions.

Simplifying Capacitive Touch Sensor Design Using the Cypress CY8CKIT

Using the Cypress CY8CKIT prototyping kit and reference design accelerates the design and implementation of reliable capacitive touch-sensing interfaces.

Silicon Carbide (SiC): History and Applications

Learn the history of Silicon Carbide (SiC) including the variety of uses, pros and cons, and products produced using SiC.

Choosing Lenses to Make the Most of LED Lumens

An overview of the key parameters in selecting LED lenses including light distribution and lens size and positioning.

Wireless Network Options for Smart LED Lighting Systems

A comparison of Bluetooth, ZigBee, and other wireless connectivity and network protocols that can be used in smart LED lighting systems.

How to Power and Control Brushless DC Motors

A quick and simple designer’s guide to explaining the benefits of brushless DC motors as well as how to power and control brushless DC motors.

Developing Efficient LED Lighting Control Systems

LED lighting control techniques expand as the market continues to grow including dimmable LEDs and networked lighting.

Radio Links for Driverless Cars

Different vehicle to vehicle and vehicle to infrastructure link technologies for in autonomous vehicles around the world include 5.9GHz DSRC and LTE.

Utilizing the Latest Integrated Modules for Reliable Digital Power

Discover the benefits of using digital power in complex applications and learn how to integrate digital control methods in your designs.

Ensuring Safety When Autonomous Vehicle RF Links Fail

Autonomous vehicles rely on real-time RF-based position data. Good design incorporates backup sensor systems that enhance accuracy and take over if RF is lost.

How to Use Digi-Key Part Search More Efficiently

Digi-Key Electronics takes great pride in having one of the industry’s largest varieties of parts in-stock and ready for shipment on the day an order is placed.

LoRaWAN Part 2: How to Use Microchip’s Modules to Speed IoT Design

A comprehensive overview of Microchip’s RN2903 LoRa module along with instructions explaining how to use hardware and software to create an IoT design.

LoRaWAN Part 1: How to Get 15 km Wireless and 10-Year Battery Life for IoT

Discuss the advantages of using sub-GHz communication, the importance of modulation schemes, and learn about Microchip’s RB2903 LoRaWAN module.

Drone Docking with “Park Assist” for Recharging in The Field

As the usage of autonomous vehicles and drones rise, designers must consider charging dock component and designs that are both functional and accurate.

Get Your Motor Running With the NXP Kinetis Motor Suite

The software needed to drive brushless DC and permanent-magnet synchronous motors (PMSMs) is complex, but NXP’s Kinetis Motor Suite greatly simplifies matters.

Designing in the Negative Space Applied: Digital Control Techniques for PC Board Power Design

Techniques and solutions for designers needing to decrease a module’s footprint or recover lost PC board space.

Adding Heart-Rate Monitoring Functionality to Fitness Gear

A Maxim Integrated biosensor module and open software lets you implement a heart rate monitor with minimal additional hardware and programming.

Build a Redundant Power Bus for Reliable UAV Operation

Using a redundant power bus such as N+1 architecture for unmanned aerial vehicles (UAV) applications helps to increase reliability and cost-effectiveness.

How to Deploy a Complete Bluetooth-Based IoT Design for Under $40

Learn how to program and code an off-the-shelf Bluetooth sensor board for home or personal use for under $40 total cost!

Heterogeneous Multicore Processors Provide the Perfect Platform for Autonomous Devices

Designers rely on Heterogeneous multicore devices from TI and NXP to add precision and adaptive control autonomous device applications.

Mesh Networking, the Critical Open Sesame for Smart Lighting Success

Learn about the features of MeshConnect and CSRmesh, how they are used, their impact on smart lighting, and the likely effects of the Bluetooth SIG’s move.

Communication Considerations for Distributed Control Applications

When building a distributed smart system, designers must choose the communication architecture to minimize maintenance overhead and deliver superior capability.

Radar Sensing for Driverless Vehicles

Advanced Driver Assistance Systems (ADAS) sensor systems are changing the way that radar systems are integrated into driverless, autonomous vehicles.

Reduce Design Complexity Using Integrated Isolated Flyback Converters

Use this design to learn how to decrease design complexities and increase stability, safety, and simplicity when integrating isolated flyback converters into your power supply design.

預防 LED 接面溫度過高

如何計算接面溫度並運用 COB 設計以及其他熱阻 LED 封裝替代方案預防 LED 接面溫度過高。

How Digital Power Management Improves the Performance of Bluetooth Wireless Transceivers in the IoT

Using digital power management techniques helps increase the battery life and performance of Internet of Things (IoT) applications.

Isolated Current Sensors Solve Circuit, Safety Problems

Using isolated current sensors in power-related applications helps designers to easily monitor current, increases safety, and eliminates the need for extra isolation circuitry.

How to Make a BeagleBone-Based Appliance Notification Texter

A step-by-step guide and reference design explaining how a BeagleBone Green or BeagleBone Black can be programmed to send text notifications to a mobile phone.

Simplify Design and Scalability of Automotive Digital Instrument Clusters

Multicore SoCs and power management devices provide an efficient hardware foundation for scalable, high-performance automotive graphics systems.

Adding Wireless for IoT: Build, Buy, or Hybrid?

Adding wireless can be a designer’s nightmare. While Wi-Fi, Bluetooth and ZigBee modules make it easier, a designer must choose and integrate the right module.

Machine Vision Applications Draw Intelligence from Deep Learning Neural Networks

Learn about deep learning neural networks and how they are being used in industrial, automotive, and commercial applications.

Ever-Tighter Energy Efficiency Standards Mean External Power Supply Manufacturers Can Never Rest

Why we energy efficiency standards for external power supplies and how these standards are becoming more strict over the next two years.

Make CAN Beyond Automotive into Industrial

CAN has moved from automotive to industrial networking. New transceivers now offer longer bus lengths, more nodes, higher data throughput and voltage isolation.

MAXREFDES117#: Heart-Rate and Pulse-Oximetry Monitor

Maxim details its pulse oximeter (PO or SpO2) sensor eval board which can be used with virtually any microcontroller that has an I2C interface.

Meeting the Certification Challenge of Evolving Standards in the Internet of Things

As the IoT expands, new certifications and approvals standards such as ETSI EN ensure components are safe and do not compromise the surrounding systems.


本文概述 IEC 61000-4-5 和 IEC 60231 等突波與安全標準,並探討 TPS92210 和 TPS92560 的功率限制功能。


新的元件與技術能讓近場通訊 (NFC) 輕鬆且快速地與作業系統應用程式整合。

如何加速作業系統應用程式中的 NFC 整合


How to use the Latest Microcontrollers to Simplify Embedded Security

New MCUs are helping IoT developers secure their connected devices, but the new features are only as good as the developer’s ability to use them wisely.

PMBus: The Nervous System Bringing Digital Power to Life

By introducing support for adaptive voltage scaling, the latest PMBus specification version 1.3, further extends the capability of this versatile open standard.

Giving Vehicles the Power of Sight with the Latest Camera Technologies

Learn about the latest camera technologies including infra-red, Time of Flight 3D, facial recognition and dual dashboard cameras for use in vehicles.

如何進行 LED 調光又無損發光品質

本指南說明如何在不減損發光品質的前提下進行 LED 調光,以及 LED 調光的優缺點和 LED 的設計考量。

How to Select and Apply Smart Current Sensing and Monitoring Technologies (Instead of Fuses)

Learn when and how to implement current sensing and monitoring technologies into your design, and learn how they can help prevent damages from overcurrent.

Use The Right ICs to Extend Wearable Device Battery Life

Choosing the right battery charge solutions and management system can help increase the battery life of wearable devices.

How to Use Digital Power Management for Energy Harvesting

A designer's guide explaining how to optimize and implement digital management techniques for energy harvesting charging sub-systems.

Maxim’s Smart Force Sensor Reference Design: MAXREFDES82#

Maxim’s MAXREFDE82# Smart Force sensor reference design captures analog signals in weigh scale and touch applications with high precision.

Properly Configure Parallel Power Supplies to Share Load Current or Risk System Failure

How to correctly configure parallel power supplies in order to achieve redundancy and increase efficiency, reliability, and power supply lifetime.

Moving to the Digital Domain for Power Conversion

Transitioning to a digital domain for power conversion is a complex process but has many benefits including adding efficiency and flexibility to your design.

The Significance of the Intrinsic Body Diodes Inside MOSFETs

A basic overview of why and how intrinsic body diodes are used inside of MOSFETs along with design considerations.

The Future of Wireless Modules

New hardware, software, and standards like NB-IoT are playing a key role in overcoming future challenges of wireless modules.

NFC Standard Versus ISO 15693

DigiKey briefly explains NCF standards and ISO 15693 and also explains the differences between them.



Easy Build: How to Implement a Linear Stage With Raspberry Pi Project

Using a Raspberry Pi Model B, a linear stage can be built and programmed quickly and efficiently to perform repetitive tasks. This Easy Build shows you how.

Buck Converter Design for Minimum EMI

Design suggestions to minimize electromagnetic interference in buck converters.

Develop IoT Applications Fast with Open-Source Hardware and Amazon Web Services Combo

The open-source BeagleBone Green Wireless, with its custom port of the AWS IoT SDK, offers a platform for rapid development of sophisticated IoT applications.

Simple Explanation of Capacitor ESR – Why Is It Important and How Is It Specified?

What equivalent series resistance (ESR) is, its importance, and how it is specified.

Agile Smart-Sensor Design with Scalable Wireless MCUs

Wireless MCU platforms are being utilized in wireless designs in order to help simplify development, gain flexibility, and save battery life.

A 3-Phase Bridge Rectifier Module for a 3-Phase Input at 130 Vrms and 3700 Hz (Max. Load of 10 ADC)

Review specifications and other features that should be taken into consideration when choosing a 3-phase bridge rectifier module.

Learn IoT Functional Requirements From Smart Plug Reference Design

Internet of Things (IoT) reference designs help designers to quickly and easily understand the details and functions of IoT, decreasing the time to market.

Accelerometer Measurements using an ADXL326 and a 12-bit ADC

The ADXL326 accelerometers from Analog Devices are highly sensitive and responsive and are available at Digi-Key Electronics today!

Careful Sensor Selection Ensures Desirable – and Avoids Undesirable – Outcomes

Control-system designers must ensure a system operates correctly, accurately, precisely, and predictably, while also ensuring against faults and failures.

Use Specialized MCUs to Simplify Motion-Control Design

With their integrated error-detection capabilities, DSPs and MCUs offer designers a solid foundation for safety in collaborative robotic systems.

“Schmitt Trigger” Versus “Schmitt Trigger Action”

Comparing “Schmitt Trigger” and “Schmitt Trigger Action” Transitions.

Any Color, As Long As It’s White – Could TM-30 Be the Unambiguous Color-Quality Metric We Need?

The new TM-30 test method could change the way manufacturers of all types of LED lighting describe products to their target markets.

Using Planar Transformers in DC-DC Converter Designs

Evaluating planar transformers for DC-DC converter designs.

How to Debounce a Button Input Using Programmable Logic

Switch debouncing utilizing the programmable logic of FPGAs and CPLDs.

A Designer's Guide to Lithium (Li-ion) Battery Charging

This designer's guide helps you discover how you can safely and rapidly charge lithium (LI-ion) batteries to 20%-70% capacity in about 20-30 minutes.

How to Tackle Real-Time Video Processing

Processors from NXP and hardware-based algorithms from Digilent help develop the capabilities for real-time video processing applications.

Integrating Energy Harvesting and Future Wireless Modules

Energy harvesting in wireless modules can eliminate battery use which decreases component size and increases the availability of wireless sensor modules.

Using a Thread-Based Kit to Speed Development of Smart Home IoT Devices

Using a Thread-based kit such as Silicon Labs’ SLWSTK6000, developers can get a secure, reliable, low-power IoT networking application off the ground quickly.

Voltage Control Boosts Sensor Node Efficiency

MCUs ability to support sleep modes and dynamic control of voltage and current support energy-efficient designs that allow for long battery lifetimes.

New Applications Driving 13.6% CAGR for e-paper Displays Between Now and 2022

Changes in technology and the always increasing need for power and energy efficiency are driving the demand for e-paper displays in applications.

New Stepper Motor ICs Simplify Security Camera Positioning Design

New bipolar stepper motor ICs from ON Semiconductor and Allegro Microsystems provide smooth, precise movements of surveillance camera position systems.


評估負載點 (POL) DC/DC 轉換器的效率、輸出、散熱和更多關鍵效能特點,以及對特定系統設計可能帶來的影響。

新型無線 MCU 與模組如何促成連線式 IoT 應用

Silicon Labs、Texas Instruments 及 Seeed 的獨立式無線 MCU 和模組能降低 BOM 成本並縮短上市時間,藉此節省設計資源及預算。

The Right DAC Can Simplify Your Next 5G or LTE MIMO Design

As MIMO moves from Wi-Fi to LTE and 5G, designers should pay particular attention to digital-to-analog converters (DACs) with special MIMO-enabling timing hooks.

Rise of the Cobots Inspires Safety Innovation

Cobots help reduce operating costs while ensuring quality in industrial applications where environments may be too harsh for humans to safely work.

Smart Developers Leverage Built-In Processor Support for Safety-Critical Applications

Find out how integrated features of specialized DSPs and MCUs can help increase safety and efficiency by detecting and identifying machine and human errors.

Don't Touch! Designing Capacitive Proximity Sensing Into IoT, Industrial, & Automotive Applications

Capacitive proximity sensing is a contactless technology with multiple IoT applications, but designers must avoid certain pitfalls to achieve optimum performance.

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