
Circuit Cellar
Smart Home Lock Down Matter Provides Security Blanket
As more devices in the smart home connect to the Internet, they become increasingly vulnerable to outside attacks. Developers can now add the latest security measures to their Smart Home devices through Matter.
10+ min |
January 2025

Circuit Cellar
Basic Pulse Circuits
In part one of a three-part series, Wolfgang wrote how basic pulse circuits help digital circuits, such as embedded boards with ARM processors, deal with pulse trains or bursts of pulses from the outside. In Part 2, he dives into enabling flip-flops, timing parameters, and synchronization, design tasks needed to capture, detect, and filter pulses.
10+ min |
January 2025

Circuit Cellar
New TI MCUs Enable Edge AI and Industry-Leading Real-Time Control to Advance Efficiency, Safety, and Sustainability
Texas Instruments (TI) introduced two new series of real-time microcontrollers that deliver advancements to help engineers achieve more intelligent and secure processing in automotive and industrial applications.
1 min |
January 2025

Circuit Cellar
Using Amazon Alexa to Control Custom IoT Gadgets
In part two of his article, Brian describes integrating custom IoT gadgets with Amazon Echo using emulation to receive spoken alarms. In part one, he used emulation and Arduino Cloud services as a middleman.
10+ min |
January 2025

Circuit Cellar
No Blues with Bluetooth!
Part 7: Versions 5.0 to 6.0
10+ min |
December 2024

Circuit Cellar
Building An Unconventional Home Anemometer
Using an Arduino Pro Mini Microcontroller
10 min |
December 2024

Circuit Cellar
Renesas New RA8 Entry-Line MCU Groups Brings High Performance of Arm Cortex-M85 Processor to Cost-Sensitive Applications with Market-Leading CoreMark Performance
Renesas Electronics Corp., a premier supplier of advanced semiconductor solutions, introduced the RA8E1 and RA8E2 microcontroller (MCU) groups, extending the industry's most powerful series of MCUs.
1 min |
December 2024

Circuit Cellar
XP Power Launches New Series of Low-Profile, Baseplate-Cooled DC-DC Brick Converters
The RDF150 and RDF200 series are the latest additions to the RDF series of low-profile, baseplate-cooled, ultra-wide input DC-DC brick converters, which is already available in power outputs of 25W and 50W.
1 min |
December 2024

Circuit Cellar
HMI Introduces Ultra-Low Voltage 12-bit GPIO Expander with Interrupt Output
HMI, a leading provider of advanced analog and power management technologies, announced the launch of its HL5310, an innovative ultra-low voltage 12-bit GPIO expander featuring interrupt output.
1 min |
December 2024

Circuit Cellar
Amazing Eddy Currents
Apply Them to Thin Metal Thickness Measurement
10+ min |
December 2024

Circuit Cellar
Basic Pulse Circuits
Part 1: Essentials for Processing Outside Signals 9
10+ min |
December 2024

Circuit Cellar
Easing the Path for App Releases
Managed Development of React Native with Expo
10+ min |
December 2024

Circuit Cellar
Same Sky Expands AMT Absolute Encoder Line to Support Larger Shaft Sizes
Same Sky's Motion & Control Group announced the addition of a new series to its innovative AMT absolute encoder family designed to support larger motor shaft sizes from 9mm to 15.875mm (5/8 inch).
1 min |
December 2024

Circuit Cellar
Start to Finish Driving LCDs
Lumex Display with Microchip Driver for a TI MCU
10+ min |
December 2024

Circuit Cellar
Datasheet: Tiny Embedded Boards
Deliver Power, Performance, and Versatility in Meager Square Millimeters
2 min |
December 2024

Circuit Cellar
Harvesting Ambient Energy
Hybrid Power Sources Cut IoT Battery Dependency
10+ min |
December 2024

Circuit Cellar
The Future of Embedded Chip Design Navigating the Chip Creation Space
Custom Silicon at Lower Cost, Reduced Development Time
6 min |
December 2024

Circuit Cellar
The Long and Winding Road
From Maxim's RS-232 to WeMos ESP32: So Much to Do, So Little Time
10+ min |
December 2024

The Atlantic
The Elite College Students Who Can't Read Books - To read a book in college, it helps to have read a book in high school.
Nicholas Dames has taught Literature Humanities, Columbia University's required greatbooks course, since 1988. He loves the job, but it has changed. Over the past decade, students have become overwhelmed by the reading, College kids have never read everything they're assigned, of course, but this feels different. Dames's students now seem bewildered by the thought of finishing multiple books a semester. His colleagues have noticed the same problem.
9 min |
November 2024

Circuit Cellar
LoRaWAN Goes the Distance at Low Power
IoT’s Versatile Protocol for Long-Range, Wide-Area Connectivity
10+ min |
November 2024

Circuit Cellar
No Blues with Bluetooth!
Part 6: Bluetooth Cybersecurity Basics
10+ min |
November 2024

Circuit Cellar
Industrial Computers Boost Machine Vision Systems
GPU and CPU Performance Drive Rugged Industrial Platforms
6 min |
November 2024

Circuit Cellar
Datasheet: Power Up With DC-DC Converters
Application Types Drive Parameters Beyond Efficiency and Density
3 min |
November 2024

Circuit Cellar
As a 'Matter of Fact
Inside atest Home Control Consolidation Attempt via Google Home and Matter-over-Thread
10+ min |
November 2024

Circuit Cellar
Entertainment On Wheels
In-Dash Panels Control Head Units, Multiple Displays, Cameras and Sensors
10+ min |
November 2024

Circuit Cellar
Catching Lightning in an IMU
Simulating Diffusion-Limited Aggregation with a Raspberry PI RP2040 MCU
10+ min |
November 2024

Circuit Cellar
D&D Die Roller with Raspberry PI RP2040
Fantastical Project Built with MCU TFT Display and LVGL Graphics
10+ min |
November 2024

Circuit Cellar
Microchip Makes it Easier to Build Sophisticated GUIs for MPLAB Harmony v3 and Linux Environments
Designers are incorporating Graphical User Interfaces, or GUIs, into more electronic devices to enhance the user experience by providing intuitive and visually appealing interactions with today's modern applications.
1 min |
November 2024

Circuit Cellar
Infineon Introduces Industry's First 20 Gbps Universal USB Peripheral Controller
Infineon Technologies announced the addition of the EZUSBTM FX20 programmable USB peripheral controller to its EZ-USB product family.
1 min |
November 2024

Circuit Cellar
Using Amazon Alexa to Control Custom IoT Gadgets
Integrating Voice Recognition for Smart Home Projects
10+ min |