In this issue

Issue #363
October 2020
Technologies for Smart Cities
6: Building a Power Rail Probe: An Exercise in Low-Noise Design, By Andrew Levido
14: Design a Wireless Tracking Device: Smart Antenna Choices, By Geoff Schulteis
18: A Review: V5 Plus Drone Flight Controller: Hands-On Evaluation, By Raul Alvarez-Torrico
26: Code Size vs. Memory Footprint: And Why They Matter, By Steve Graves
30: Balancing a Ball on a Touchscreen: Using a PID Controller, By Gregory Kaiser and Samuel Feibel
35: Smart Cities Leverage IoT Building Blocks: Chips, Systems and Services, By Jeff Child
44: Raspberry Pi Roundup: A Bounty of HATs and Clones, By Jeff Child
50: DATASHEET: Embedded PCs: Integrated Solutions, By Jeff Child
56: EMBEDDED IN THIN SLICES: LoRa (Part 7): Building a Prototype LoRa Device, By Bob Japenga
60: FROM THE BENCH: White Hot: Measuring Color Temperature: Using an Arduino Mega, By Jeff Bachiochi
68: THE DARKER SIDE: An Introduction to Stub Filters: A Wire to Nowhere, By Robert Lacoste
75: Product News
78: Test Your EQ
79: The Future of Modular Edge Processing: Three Real-World Intelligent Infrastructure Applications, By Dan Demers

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.