Education
Circuit Cellar
Engineering Healthcare - Cutting-Edge Technologies to Enhance Patient Care
Explore the groundbreaking advancements in Pulsed Field Ablation technology, where engineering meets cardiac care to revolutionize atrial fibrillation treatment. This article delves into the intricate design and functionality of cutting-edge devices that enhance precision and safety in medical procedures, showcasing the vital role electronics play in shaping the future of healthcare.
10 min |
February 2025
Circuit Cellar
System-on-Module Technology Key IoT Enabler - High-Performance Computing Systems Packed into Compact Form Factors
System-on-Module (SoM) technology is gaining traction across various industries, driven by the demand for compact, integrated solutions that allow developers to add AI and connectivity options as demands evolve. Explore the factors fueling the SoM growth and the advantages these modules offer.
2 min |
February 2025
Circuit Cellar
Reviving Frogger's Retro Audio with a Programmable Sound Generator - Using an AY-3-8910 Chip and a Z80 Emulator on a Raspberry Pi
The Frogger arcade video game is considered one of the best of all time. Chris shares his journey to bring the nostalgic sounds of Frogger back to life using the classic AY-3-8910 sound chip and a modern Raspberry Pi setup with coding insights and a fix to the original game's music glitch.
10+ min |
February 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
Holiday Hangover Hardware Hacking
Having too much cheer during the holidays? In this month's article, Colin offers a diversion from the jolly season by urging developers to retreat to the basement to brush up on hardware hacking skills. He shows how a low-cost Raspberry Pi Pico and a TP-Link Tapo C200 smart IP camera could become the next automated bird deterrent or a home automation server.
8 min |
January 2025
Circuit Cellar
Datasheet: Microamps Per Megahertz Ultra-Low Power MCUs Minimize Current Consumption
How do chip makers differentiate if many ultra-low power MCUs on the market feature the same processor core? The peripherals and different power states offer various ways to manage current consumption down to microamps per megahertz.
2 min |
January 2025
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
Building a Wi-Fi Router Watchdog
Dev created a watchdog for a Wi-Fi extender using a Raspberry Pi Pico. This monitors Wi-Fi connectivity for his smart home lighting system, which would require a reset twice a year due to rapid power interruptions.
8 min |
January 2025
Circuit Cellar
Create Your Own PCBs with a CNC Milling Machine
Using KiCad, CopperCAM, and Candle Software
10+ min |
January 2025
Circuit Cellar
Performance Bottlenecks in Embedded Linux Solutions Analysis, Identification, and Mitigation
Good performance is a requirement for every technology, and system designers rely on operating systems to ensure fast and smooth transitions in critical applications. Fortunately, Pedro writes, the embedded Linux OS offers ways for finding, analyzing and mitigating performance bottlenecks so embedded systems can deliver the speed and efficiency that end users expect.
10+ min |
January 2025
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
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
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
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
Circuit Cellar
Start to Finish Driving LCDs
Lumex Display with Microchip Driver for a TI MCU
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
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
Building An Unconventional Home Anemometer
Using an Arduino Pro Mini Microcontroller
10 min |
December 2024
Circuit Cellar
Basic Pulse Circuits
Part 1: Essentials for Processing Outside Signals 9
10+ min |
December 2024
Circuit Cellar
No Blues with Bluetooth!
Part 7: Versions 5.0 to 6.0
10+ min |
December 2024
Circuit Cellar
Amazing Eddy Currents
Apply Them to Thin Metal Thickness Measurement
10+ min |
December 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
Industrial Computers Boost Machine Vision Systems
GPU and CPU Performance Drive Rugged Industrial Platforms
6 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
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 |