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Issue #370
May 2021
Comms and Control for Drones
6: Intro to Robot Operating System (ROS): Part 3: Testing the Robotic Car, By Raul Alvarez-Torrico
16: Understanding the AMBA AXI4 Spec: The Backbone Protocol, By Nishant Mittal
20: Intelligent Post Box Uses Arduino: The SmartPostBox Project, By Andrei Florian
28: LED Backlight Technology: A Complete Overview, By Bill Cheung
34: Comms and Control Tech Advances for Drones: Tech for a Connected Sky, By Jeff Child
42: Smart Agriculture Solutions Get Smarter: Enabling the Connected Farm, By Jeff Child
48: DATASHEET: 32-Bit Microcontrollers: Arm-ed for Success, By Jeff Child
52: PICKING UP MIXED SIGNALS: Using ESP-NOW Protocol Part 2: Hardware Description, By Brian Millier
60: EMBEDDED SYSTEM ESSENTIALS: Bringing JTAG Boundary Scan into 2021: A Relic Reloaded, By Colin O’Flynn
66: FROM THE BENCH: A Guide to Using Transistors: As a Switch and More, By Jeff Bachiochi
74: Product News
78: Test Your EQ
79: The Future of FPGA- and AI- Dev Tools: Into the Great Wide Open, By Brian Faith

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.