In this issue

6: Water Alarm Evolves to Full Home Security: Multi-Sensor Safety, By Devlin Gualtieri
16: Build a Motor Dynamometer: Using a PIC32 MCU, By Erika Yu, Aasta Gandhi and Kowin Shi
24: Build Your Own IoT Platform: Part 3: Adding Advanced Features, By Dhairya Parikh
32: Drone-Based Greenhouse Gas DAQ System: Using Teensy 4.1 Module, By Peter Shmerko and Dr. Chris Morton
40: Smart Building Designs Spur Demand for IoT Solutions: Futurized Facilities, By Jeff Child
48: Embedded AI Designs Embrace FPGAs and GPUs: High-Performance at the Edge, By Jeff Child
53: DATASHEET: Application-Specific MCUs: Target Market Mindset, By Jeff Child
56: EMBEDDED IN THIN SLICES: FreeRTOS (Part 5): FreeRTOS+POSIX, By Bob Japenga
60: THE DARKER SIDE: Three-Phase Electric Power: Build Your Own Source, By Robert Lacoste
66: FROM THE BENCH: Putting 1-Wire Protocol into Action: Power and Control Share a Link, By Jeff Bachiochi
74: Product News
78: Test Your EQ
79: The Future of Smart Buildings: Sustainable, Smart Buildings: Planet, People and Profits, By Byron BeMiller

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.