Circuit Cellar 424 November 2025 (PDF)

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Issue #424
November 2025
Cybersecurity

10: Designing Analog Electronics
Part 1: Error and Uncertainty
By Andrew Levido

20: Keeping Time with Rolling Balls
An Arduino-Controlled Gravitram Clock
By Aubrey Kagan

26: Empowering Disabled Persons with
Hand Motions for Environmental Controls
By Matthew Oppenheim

36: TECHNOLOGY FEATURE
CIA for SBCs (and More)
Securing Embedded Systems from Evolving Threats
By Curtis Franklin

42:DATASHEET
Making the Right Voltage
DC-to-DC Converters Bring the Right Voltage to Circuits
By Curtis Franklin

46: Picking Up Mixed Signals
A GPS-Disciplined Frequency Counter
Using the PSoC 5LP
By Brian Millier

54: Embedded System Essentials
Using a Desktop Laser Engraver
to Probe into Chip Silicon
By Colin O'Flynn

63: TECH THE FUTURE
The Future of Embedded Systems and AI
AI in Embedded Systems
Cybersecurity Challenges and Opportunities in a Smarter World
By Pete Popov