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![Retro-style Miniature Sports Scoreboard - RGB LED Matrix and Raspberry Pi Provide In-Game Updates](https://reseuro.magzter.com/100x125/articles/14556/1815331/d937bz5G41725002113090/RETROSTYLE-MINIATURE-SPORTS-SCOREBOARD-RGB-LED-MATRIX-AND-RASPBERRY-PI-PROVIDE-INGAME-UPDATES.jpg)
Retro-style Miniature Sports Scoreboard - RGB LED Matrix and Raspberry Pi Provide In-Game Updates
This Cornell University graduate describes how he built a miniature, retrostyle scoreboard that pulls and displays live college and professional sports scores from the ESPN API-bringing the excitement of being at a sporting event to your living room. Pre-game information, in-game scores, and post-game results are displayed on a built-in PiTFT touchscreen.
![No Blues with Bluetooth! GATT Explained - Part 5 - Understanding Higher Protocol Layers Provides Interoperability Help](https://reseuro.magzter.com/100x125/articles/14556/1815331/pZABuMM1q1725002907598/NO-BLUES-WITH-BLUETOOTH-GATT-EXPLAINED-PART-5-UNDERSTANDING-HIGHER-PROTOCOL-LAYERS-PROVIDES-INTEROPERABILITY-HELP.jpg)
No Blues with Bluetooth! GATT Explained - Part 5 - Understanding Higher Protocol Layers Provides Interoperability Help
After exploring low-level layers of Bluetooth Low Energy in previous editions, and establishing connections in Part 4, Robert examines Attribute Protocol and Generic Attribute Profile or GATT in Part 5. These higher layer protocols provide developers with greater opportunity for interoperability with third-party applications or products.
![Power Analysis Over JTAG Ports: Hidden Debug Dangers - Block Side-Channel Analysis Attacks](https://reseuro.magzter.com/100x125/articles/14556/1815331/pFyfMXuck1725005144750/POWER-ANALYSIS-OVER-JTAG-PORTS-HIDDEN-DEBUG-DANGERS-BLOCK-SIDECHANNEL-ANALYSIS-ATTACKS.jpg)
Power Analysis Over JTAG Ports: Hidden Debug Dangers - Block Side-Channel Analysis Attacks
Small changes in the phase of clock signals can encode power leakages. An attacker can use standard interfaces such as the JTAG port to drive clocks across targets, using them as measurement techniques for sidechannel analysis attacks despite limited physical access. This article demonstrates how you can test devices for vulnerability and how to modify devices to prevent attacks.
![Mobile APP Development with React Native](https://reseuro.magzter.com/100x125/articles/14556/1815331/CIq2EJ4wD1725005568828/MOBILE-APP-DEVELOPMENT-WITH-REACT-NATIVE.jpg)
Mobile APP Development with React Native
This month, Bob continues his series on mobile app development from an embedded designer's perspective. He programs a React Native app and he offers guidelines for picking a tutorial for React Native. He further explores how it handles concurrency and asynchronous programming. Bob expected a few nuances during the process but to say there were more than a few would be an understatement.
![The Blues Wireless Notecard-LoRa](https://reseuro.magzter.com/100x125/articles/14556/1815331/y_dUr-hL01725004206196/THE-BLUES-WIRELESS-NOTECARDLORA.jpg)
The Blues Wireless Notecard-LoRa
After having built a number of Wi-Fi IoT gadgets for the home, Brian became curious to see how LoRaWAN-based IoT devices would work. He decided to investigate the Notecard LoRa IoT modules made by Blues Wireless.
![Bringing Cost-Effective, On-Device AI to Home Appliances - Sparse Weights and Interactions Negate GPUs and Cloud Computing](https://reseuro.magzter.com/100x125/articles/14556/1815331/9J6MDidNf1725006477494/BRINGING-COSTEFFECTIVE-ONDEVICE-AI-TO-HOME-APPLIANCES-SPARSE-WEIGHTS-AND-INTERACTIONS-NEGATE-GPUS-AND-CLOUD-COMPUTING.jpg)
Bringing Cost-Effective, On-Device AI to Home Appliances - Sparse Weights and Interactions Negate GPUs and Cloud Computing
GPU silicon and cloud computing infrastructure are too costly for mass markets devices like refrigerators and washers. By deploying compute resources only to the necessary parts of AI inference, Sparse AI allows product designers to practically incorporate new AI features like natural voice interfaces into their consumer offerings without breaking the bank or electric bill surprises.
![Exploring Infrasound - Tornado Early Warning Detection Project Using Raspberry Pi Pico and a Python Supervisory Program](https://reseuro.magzter.com/100x125/articles/14556/1815331/mBRMNJuFS1725001606156/EXPLORING-INFRASOUND-TORNADO-EARLY-WARNING-DETECTION-PROJECT-USING-RASPBERRY-PI-PICO-AND-A-PYTHON-SUPERVISORY-PROGRAM.jpg)
Exploring Infrasound - Tornado Early Warning Detection Project Using Raspberry Pi Pico and a Python Supervisory Program
Inspired by the possibility of building an early warning system for tornadoes, Dev developed an infrasound detector. Tornadoes are rare in his area, but his detector found other infrasound activity using sensor circuitry based on a Raspberry Pi Pico, combined with a Python supervisory program that stores data on a computer for analysis.
![IoT Protection with MCU Security - Ward Off Attacks with Trust Zones, Encryption, Secure Keys and Tamper Detection](https://reseuro.magzter.com/100x125/articles/14556/1815331/nv_tcxWuu1725004093673/IOT-PROTECTION-WITH-MCU-SECURITY-WARD-OFF-ATTACKS-WITH-TRUST-ZONES-ENCRYPTION-SECURE-KEYS-AND-TAMPER-DETECTION.jpg)
IoT Protection with MCU Security - Ward Off Attacks with Trust Zones, Encryption, Secure Keys and Tamper Detection
Security breaches jumped 107 percent as malevolent forces increasingly focused on IoT devices for side attacks, IP and data theft. Semiconductor vendors supplying on-chip cryptography, memory protection, unclonable technology, random number generation and other measures hope to shut the door on attackers.
![Fill AI with Computer Vision - On the Leading Edge of Adoption in Industrial IoT](https://reseuro.magzter.com/100x125/articles/14556/1815331/PFoG_C3_Q1725003665953/FILL-AI-WITH-COMPUTER-VISION-ON-THE-LEADING-EDGE-OF-ADOPTION-IN-INDUSTRIAL-IOT.jpg)
Fill AI with Computer Vision - On the Leading Edge of Adoption in Industrial IoT
In just about any factory, production lines hum along like a symphonic orchestra. However, makers of artificial intelligence hardware are pushing transformative technology with mind-boggling productivity gains to unlock unrealized potential. Just how fast will AI seamlessly integrate into the means of production?
![Thin Film Transistor LED Displays - Visual I/O](https://reseuro.magzter.com/100x125/articles/14556/1815331/7i1MCmBnJ1725005945071/THIN-FILM-TRANSISTOR-LED-DISPLAYS-VISUAL-IO.jpg)
Thin Film Transistor LED Displays - Visual I/O
To add a resistive touchscreen on top of a TFT display, Jeff explores the technology offerings and libraries needed to accomplish his task. Calibrating the touchscreen's computed coordinates with the actual pixel coordinates of the display proved difficult with a modular framework but separating functions allows easy expansion.
![RFID Attendance Tracker - Employee Clocking System Arduino Project](https://reseuro.magzter.com/100x125/articles/14556/1773010/py2LU8jTT1721733272931/RFID-ATTENDANCE-TRACKER-EMPLOYEE-CLOCKING-SYSTEM-ARDUINO-PROJECT.jpg)
RFID Attendance Tracker - Employee Clocking System Arduino Project
Attendance trackers carry prohibitively high costs for small companies. Andrei shows us how to build a cost-effective, customizable employee clocking system with RFID technology. An Arduino board with Integration Platform as a Service allows attendance tracking with RFID cards to blend seamlessly with popular payroll systems.
![Getting Directions CHC Proceed to Your Destination Without Having to Ask Someone 40 277](https://reseuro.magzter.com/100x125/articles/14556/1773010/gFs4RtxGN1721736430597/GETTING-DIRECTIONS-CHC-PROCEED-TO-YOUR-DESTINATION-WITHOUT-HAVING-TO-ASK-SOMEONE-40-277.jpg)
Getting Directions CHC Proceed to Your Destination Without Having to Ask Someone 40 277
Recalibrate your bearings on electronic compasses as Stuart navigates a journey with an MCU-guided compass module leading the way. He tells us how to avoid magnetoresistive effect, and the difference between magnetic north and true north.
![Mitigate Timing and Interference Issues on Multicore Processors](https://reseuro.magzter.com/100x125/articles/14556/1773010/48wnCSbJz1721736668450/MITIGATE-TIMING-AND-INTERFERENCE-ISSUES-ON-MULTICORE-PROCESSORS.jpg)
Mitigate Timing and Interference Issues on Multicore Processors
Missing multicore timing deadlines in a driver safety or aviation system is potentially catastropic. Adhering to guidance documents, and employing the appropriate testing and analysis methods ensures the efficient and deterministic execution of critical workloads.
![Tech Overview: Specialized Drones](https://reseuro.magzter.com/100x125/articles/14556/1773010/3MYII66WX1721735792853/TECH-OVERVIEW-SPECIALIZED-DRONES.jpg)
Tech Overview: Specialized Drones
Reconnaissance, Surveillance, Making Movies, Heavy Lifting, Package Delivery, Planetary Exploration There's A Mission-Specific UAV For Every Task -
![Get More I/O Now! Going Beyond Your MCU's Pin Count](https://reseuro.magzter.com/100x125/articles/14556/1773010/9_iHz8X_P1721736193544/GET-MORE-IO-NOW-GOING-BEYOND-YOUR-MCUS-PIN-COUNT.jpg)
Get More I/O Now! Going Beyond Your MCU's Pin Count
Small microcontroller design projects often require additional I/O. In this article, Joseph presents several methods of expanding digital and analog I/O for these applications.
![Hit Me Up On TCP - Part 2 Using TCP/IP for transferring data, MQTT is lightweight and simple-to-use](https://reseuro.magzter.com/100x125/articles/14556/1773010/l2fVje8e51721733980027/HIT-ME-UP-ON-TCP-PART-2-USING-TCPIP-FOR-TRANSFERRING-DATA-MQTT-IS-LIGHTWEIGHT-AND-SIMPLETOUSE.jpg)
Hit Me Up On TCP - Part 2 Using TCP/IP for transferring data, MQTT is lightweight and simple-to-use
This is the second in a two-part series where Pedro highlights network communication using ESP32 SOC and the ESP-IDF framework. Part two shows how to establish a multiple-end communication through MQTT, with an ESP32 SOC on one end to another end that can be anything capable of communicating through MQTT. Transport fundamentals are covered through a practical example showing how an ESP32-S2 SoC communicates using MQTT.
![Datasheet: SBCs On the Edge of AI - To reduce latency, single-board computers take inferencing closer to the source](https://reseuro.magzter.com/100x125/articles/14556/1773010/s0ZV5PXtG1721736088385/DATASHEET-SBCS-ON-THE-EDGE-OF-AI-TO-REDUCE-LATENCY-SINGLEBOARD-COMPUTERS-TAKE-INFERENCING-CLOSER-TO-THE-SOURCE.jpg)
Datasheet: SBCs On the Edge of AI - To reduce latency, single-board computers take inferencing closer to the source
A diversity of missions, size, computing resources and power consumption give designers a range of options for choosing the right board to fit the application.
![Review of the Siglent SDS812X HD - 12-bit Digital Storage Oscilloscope](https://reseuro.magzter.com/100x125/articles/14556/1773010/WL3150mXa1721734427694/REVIEW-OF-THE-SIGLENT-SDS812X-HD-12BIT-DIGITAL-STORAGE-OSCILLOSCOPE.jpg)
Review of the Siglent SDS812X HD - 12-bit Digital Storage Oscilloscope
After 10 years of experience with his Siglent SDS1202X Digital Storage Scope, Brian was keen to review Siglent's new 12-Bit High Resolution scope, the SDS812X HD.
![No Blues with Bluetooth!](https://reseuro.magzter.com/100x125/articles/14556/1773010/L0scA6SoT1721735537464/NO-BLUES-WITH-BLUETOOTH.jpg)
No Blues with Bluetooth!
Part 4: Bidirectional communication between peripherals and central devices
![5 Juneteenth Celebrations](https://reseuro.magzter.com/100x125/articles/12414/1701288/cQouKZwY61715941664200/crp_5-JUNETEENTH-CELEBRATIONS.jpg)
5 Juneteenth Celebrations
Plan a seriously fun trip that’s rooted in history.
![When Science Becomes a Slogan](https://reseuro.magzter.com/100x125/articles/4302/1542215/srEI1jwy21705915899959/crp_WHEN-SCIENCE-BECOMES-A-SLOGAN.jpg)
When Science Becomes a Slogan
The president of the United States cannot control the trajectory of a hurricane, but he can we learned in 2019-force the National Oceanic and Atmospheric Administration to endorse a trajectory that he invented.
![Climate Denial Will Flourish](https://reseuro.magzter.com/100x125/articles/4302/1542215/SZqXWVYw51705915261563/crp_CLIMATE-DENIAL-WILL-FLOURISH.jpg)
Climate Denial Will Flourish
On the last Saturday before Donald Trump took office, in January 2017, I watched the controlled chaos of a hackathon unfold in a library at the University of Pennsylvania.
![The Black Roots of American Education](https://reseuro.magzter.com/100x125/articles/4302/1511480/4u4g9N0yN1700903302294/crp_THE-BLACK-ROOTS-OF-AMERICAN-EDUCATION.jpg)
The Black Roots of American Education
How freedpeople and their advocates persuaded the nation to embrace public schooling for all
![Kennedy and the Lost Cause](https://reseuro.magzter.com/100x125/articles/4302/1511480/CS3leVST-1700903024610/crp_KENNEDY-AND-THE-LOST-CAUSE.jpg)
Kennedy and the Lost Cause
In his 1956 book, Profiles in Courage, the future president promoted the southern mythology of Reconstruction. One Massachusetts grandmother wasn't having it.
![Against a Sea of Troubles](https://reseuro.magzter.com/100x125/articles/13341/1345665/kMWFzd_Sz1688560477205/crp_AGAINST-A-SEA-OF-TROUBLES.jpg)
Against a Sea of Troubles
Isolated and abused, women in the Merchant Marine are finally speaking out.
![Who Was Cleopatra's Daughter?](https://reseuro.magzter.com/100x125/articles/4302/1309794/IiOBEME2c1684580965312/crp_Cleopatra-Selene.jpg)
Who Was Cleopatra's Daughter?
The perils of searching for feminist heroes in antiquity
![Adam Smith Wasn't a Progressive](https://reseuro.magzter.com/100x125/articles/1648/1309769/RDZ-Zzl_n1684297011418/crp_ADAM-SMITH-WASNT-A-PROGRESSIVE.jpg)
Adam Smith Wasn't a Progressive
Stop quoting him out of context on taxation, education, and monopoly.
![Powerful stories of frontline communities' climate solutions can change the world](https://reseuro.magzter.com/100x125/articles/12427/1294475/1E_N3fDEt1682592148876/crp_Transformational-change-Climate-solutions-Solutions-Project-Environmental-Protection-Agency-Vanessa-Nakate-Antnio-Guterres.jpg)
Powerful stories of frontline communities' climate solutions can change the world
When you're trying to persuade people to do something important, you can present statistics, policy statements, graphs, and spreadsheets. But without a story that paints a picture of what's at stake, touches the heartstrings, and sparks the imagination to envision possibilities, it's hard to move people to take action. One formula for accelerating transformational change is to amplify the right message from the right messenger at the right moment in time.
![Teacher's Pest](https://reseuro.magzter.com/100x125/articles/13341/1288235/vacuY7znD1682228480072/crp_Ron-DeSantis-Governor-of-Florida-Classroom-libraries-policies-GOP-Florida-Education-Association-Florida-Department-of-Education.jpg)
Teacher's Pest
Ron DeSantis has unleashed his culture wars on Florida educators
![A Matter of Faith](https://reseuro.magzter.com/100x125/articles/13341/1288235/2UBqE0aD81682226506357/crp_A-MATTER-OF-FAITH.jpg)
A Matter of Faith
Conservative Christians gutted abortion rights. Jewish women are suing to save them.