Circuit Cellar 370 May 2021 (PDF)

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