Circuit Cellar 415 February 2025 (PDF)

Issue #415
February 2025 
ENGINEERING HEALTHCARE

4: Introducing Bluetooth LE Audio - Part 1: Sound of a Revolution

10: Learn Lisp Programming Using MCUs - Part 2: Extending μLisp with Custom Functions By Raul Alvarez-Torrico

18 Reviving Frogger’s Retro Audio with a Programmable Sound Generator - Using an AY-3-8910 Chip and a Z80 Emulator on a Raspberry Pi By Chris Cantrell 

26 Basic Pulse Circuits - Part 3: Metastability, Setting, or Resetting By Wolfgang Matthes 

32 TECHNOLOGY FEATURE Engineering Healthcare - Cutting-Edge Technologies to Enhance Patient Care By Caleb Smith DATASHEET 

38 System-on-Module Technology Key IoT Enabler - High-Performance Computing Systems Packed into Compact Form Factors By Tom Murphy

42 Modern Embedded Insights CMake the Most of Software Development - Modern Build Systems Support Scalability By Jacob Beningo

48 Start to Finish Switching Regulator Efficiency - Minimize Power Consumption in Battery-Operated Systems By Stuart Ball

54 Embedded in Thin Slices Asynchronous Programming in Flutter - Shallow Dive into Google's Mobile App Framework By Bob Japenga TECH THE FUTURE 

62 The Future of Development Boards NXP MCX MCUs Cut Development Time - FRDM Platforms Revolutionize System Innovation By Mónica Cid