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4: Building a Holographic Persistence-of-Vision Display: Paint Light Into Ethereal Floating Images Using a Raspberry Pi Pico, By Michael Crum, Joseph Horwitz, and Rabail Makhdoom
12: Backend Web Development for MCU Clients: Part 2: Querying a Database in PHP, By Raul Alvarez-Torrico
22: RPiano: A Playable MIDI Synthesizer: On a Raspberry Pi Microcontroller, By Samiksha Hiranandani
30: TECHNOLOGY FEATURE: Embedded Displays, By Michael Lynes
38: DATASHEET: DC-DC Converters: From the Hyper-Small to the Far Out, By Sam Wallace
42: PICKING UP MIXED SIGNALS: Before Transistors: How Did They Do It Back Then?, By Brian Millier
52: EMBEDDED SYSTEM ESSENTIALS: How CHERI Helps Secure Your C/C++ Code: On an FPGA, By Colin O'Flynn
56: FROM THE BENCH: Cellular, The Forgotten Wi-Fi: Part 3: Using NoteCard, an Embedded Communications Module, By Jeff Bachiochi
71: TECH THE FUTURE: The Future of RF Surveillance: Advancements in Drone RF Surveillance: Harnessing High Bandwidth and Wide Tuning Range Software-Defined Radios (SDRs), By Brandon Malatest
BONUS DIGITAL EDITION FEATURE ADDITION: Designing Combinational Circuitry: Employing Tiny Logic, By Wolfgang Matthes

Circuit Cellar Magazine Description:

Circuit Cellar magazine features engineering tutorials, detailed microcontroller-based projects, and embedded systems industry news for professional electrical engineers, EE/ECE academics, and highly skilled electronics enthusiasts. Since 1988, Circuit Cellar has featured projects and tutorials from the world's top engineers on subjects such as embedded development (e.g., prototyping and programming), signal processing (e.g., DSP chips and signal conditioning), programmable logic (e.g., FPGA projects), sensor systems (e.g., smart sensors and MEMS), 'Net-connected devices (e.g., IoT projects and protocol stacks), robotics (e.g., robotic systems and proximity sensing), and much more. Circuit Cellar is the ultimate resource for all of your electrical engineering-related needs.