Inside Circuit Cellar 2021

Inside Circuit Cellar magazine 2021 Issues
PDFs of back issues can be purchased from our webshop.


Issue #366
January 2021
Embedded Solutions for COVID-19
6: Build a Solar-Powered Weather Station: Using Adafruit IO, By Mark Komus
14: Build an Automated Fruit-Ripeness Detector: Banana Scan, By Christina Chang, Michelle Feng and Russell Silva
20: LoRa Air Quality Monitoring System: IoT Tech Put to Good Use, By Dhairya A. Parikh
28: Understanding the Ultra96 Board (Part 2): The Software, By Nishant Mittal
32: Embedded Tech Provides COVID-19 Era Solutions: Sensors, MCUs, AI and More, By Jeff Child
42: Data Acquisition Gear Looks to System Solutions: Leveraging the Best Ideas, By Jeff Child
48: DATASHEET: COM Express Boards: Upgradeable Computing, By Jeff Child
52: EMBEDDED SYSTEM ESSENTIALS: Finding a $Billion Dollar Fault Mode: Using EMFI Analysis, By Colin O’Flynn
58: PICKING UP MIXED SIGNALS: A Deep Dive on Thunderboard Sense 2: Sensors for a Song, By Brian Millier
67: FROM THE BENCH: Build a Tiny OLED Display Subsystem: SSD1306 Out on a Cheap Date, By Jeff Bachiochi
74: Product News
78: Test Your EQ
79: The Future of LoRa-Networked IoT: Keeping Tomorrow’s IoT Connected, By Remi Lorrain

Digital Signage - Circuit Cellar Issue 367

Issue #367
February 2021
Advances in Digital Signage
6: Multi-Sensor Device Measures Water Pollution: The UnifiedWater Project, By Andrei Florian
18: Giga-Bug: A Retro Game Revamp: Using Raspberry Pi and Python, By Chris Cantrell
24: Smart Gardening System Uses Raspberry Pi: The GardenPi Project, By Richard Sears
38: DDR4 DRAM 101: How it Works, By Nishant Mittal
42: Compact, Reliable Solutions Feed Digital Signage Needs: Small Systems for Big Displays, By Jeff Child
49: MCU Software Solutions Evolve for Today’s Needs: Support for AI, IoT and More, By Jeff Child
54: DATASHEET: Power/Battery Management ICs: Perfecting Power, By Jeff Child
58: EMBEDDED IN THIN SLICES: FreeRTOS (Part 2): FreeRTOS Tasks, By Bob Japenga
62: THE DARKER SIDE: Understanding Proper PCB Design (Part 1): 4-Layer Board Design, By Robert Lacoste
70: FROM THE BENCH: Crafting a Custom Dictionary: Using Liberty BASIC, By Jeff Bachiochi
76: Product News
78: Test Your EQ
79: The Future of Mesh Networking: Wireless Networks for Tomorrow’s Safety Challenges, By Angela Quinn

Issue #368
March 2021
Chips for the Energy Market
6: Understanding LIN Bus: Car TPMS Tinkering, By Scott Weber
12: Intro to Robot Operating System (ROS) (Part 1): ROS Framework and Concepts, By Raul Alvarez-Torrico
20: Build a Rubik’s-Cube-Solving Robot: Using a PIC32 MCU, By James Connelly and Shivansh Gupta
26: Build an Urban Air Quality Monitoring System: Using IoT Technologies, By Dhairya A. Parikh
35: Compiling Old Kernels Under Today’s GNU/Linux: Docker Smooths the Way, By Kris Bahnsen
38: ICs Power Up Tech for the Energy Market: Electrification Ramps Up, By Jeff Child
46: Quick-Turn PCB Prototyping: Speedy Services at the Ready, By Jeff Child
52: DATASHEET: Panel PCs: Trend Leans App-Specific, By Jeff Child
56: PICKING UP MIXED SIGNALS: Using ESP-NOW Protocol (Part 1): A Low-Power Wi-Fi Alternative, By Brian Millier
64: FROM THE BENCH: Control and Monitor Valves Remotely: High-Tech Plumbing with 8-bit MCU, By Jeff Bachiochi
70: EMBEDDED SYSTEM ESSENTIALS: Voltage Fault Injection on a Modern RPi SBC: Glitching Raspberry Pi 3B+, By Colin O’Flynn
75: Product News
78: Test Your EQ
79: The Future of DRAM for the IoT: Why HyperRAM Works Best: for IoT Designs, By Hsiu-min Lin

Circuit Cellar Issue #369 - April 2021
Analog ICs for Industrial Systems

Issue #369
April 2021
Analog ICs for Industrial Systems
6: Build an RF-Controlled Robotic Car: Using Two PIC32 MCUs, By Drew Mera, Rohit Krishnakumar: and Asad Marghoob
12: Intro to Robot Operating System (ROS) (Part 2): Build an ROS-based Robotic Car, By Raul Alvarez-Torrico
20: Build a Digital City Tour Guide: Using Sony’s Spresense Module, By Andrei Florian
32: Golf Cart Solar Charger Project: Using ADI’s LT8491 Controller IC, By Wade Tantrum, Damon Gagnon and Jordan Baird
38: How to Eliminate Switch Bounce: 5 Basic Methods, By Michael H. Pelkey
41: Analog ICs Fuel Modernization of Industrial Systems: Facilitating Smart Factories, By Jeff Child
48: Code Quality Tools Tame Software Complexities: Programming Perfection, By Jeff Child
52: DATASHEET: Mini-ITX and Pico-ITX SBCs: Single Board Success, By Jeff Child
57: EMBEDDED IN THIN SLICES: FreeRTOS (Part 3): FreeRTOS Configuration, By Bob Japenga
62: FROM THE BENCH: Magnetic Repulsion-Based Levitation: Using ESP8266 and Arduino, By Jeff Bachiochi
70: THE DARKER SIDE: Understanding Proper PCB Design (Part 2): Multilayer Board Design, By Robert Lacoste
76: Product News
78: Test Your EQ
79: The Future of Energy Harvesting: Advancing Toward Forever Battery Life for the IoT, By Srinivas Pattamatta

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

Issue #371
June 2021
Tech for Smart Transportation
6: Build a Sonar Echolocation Ranger: Using the PIC32 MCU, By Evan Kravitz and David Yang
14: Mag-Levitated Spinning Globe Project: Arduino-Controlled Décor, By Herwig Taveirne
28: Build Your Own IoT Platform: Part 1: The Setup, By Dhairya Parikh
36: Build a Smart Paddle Sport Device: Using Espressif’s ESP32 MCU, By Sandy Charlton, Rylen Enger, Dave Hodgson and Miles Krakowhttps://circuitcellar.com/research-design-hub/projects/a-digital-amplifier-for-tvs/ec Tickner
44: Box-Level Systems Fuel Intelligent Transportation: Computing on the Move, By Jeff Child
49: Integrated Sensors Solutions Bulk Up Functionality: Smart Combinations, By Jeff Child
55: DATASHEET: AC-DC Power Supplies: Multipurpose Trend, By Jeff Child
58: EMBEDDED IN THIN SLICES: FreeRTOS (Part 4): Inter-Process Communication, By Bob Japenga
62: THE DARKER SIDE: Understanding Proper PCB Design (Part 3): Controlled Impedance Routing, By Robert Lacoste
68: FROM THE BENCH: Create a Calendar File Building App: Using Liberty BASIC, By Jeff Bachiochi
76: Product News
78: Test Your EQ
79: The Future of Neuromorphic Computing: Neuromorphic Computing Devices and Materials, By Ganesh Panaman

Issue #372
July 2021
Advances in PCB Design Tools
6: Build a Drill Position Indicator: Using Arduino Nano, By Anuj Justus Rajappa and Vairamani Kanagavel
12: Building a COVID Test Drone: Part 1: Components and Connectivity, By Andrei Florian
22: Build Your Own IoT Platform: Part 2: Connecting to Devices, By Dhairya Parikh
30: Devices Aid Speech for People with Disabilities: Using the BBC micro:bit, By Matthew Oppenheim
38: PCB Design Tools Enhance Their DFM Capabilities: Portals and Platforms, By Jeff Child
42: Embedded Displays Offer New Features and Formats: Screens for All Seasons, By Jeff Child
46: DATASHEET: Embedded PCs: Complete Compute Solutions, By Jeff Child
52: EMBEDDED SYSTEM ESSENTIALS: Power Analysis of ECC Hardware Implementations: Curves and Keys, By Colin O’Flynn
56: PICKING UP MIXED SIGNALS: A Digital Amplifier for TVs: Using a Teensy 4.1, By Brian Millier
68: FROM THE BENCH: Build Your Own Battery Monitor: Counting Coulombs, By Jeff Bachiochi
75: Product News
78: Test Your EQ
79: The Future of Smart Cities: 5G and Intelligent Transportation Tech Fuel Smart City Advances, By Steve Mazu

Issue #373
August 2021
Smart Building Innovations
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

Issue #374
September 2021
Technology for the Connected Car
6: Getting Started with AI at the Edge: Using QuickFeather and SensiML, By Raul Alvarez-Torrico
20: Building a COVID Test Drone (Part 2): Building the System, By Andrei Florian
34: COM Boards Enable Smart Warehouse Robots: Automated Assistants, By Dan Demers
38: Connected Cars Drive Needs for Advanced Chip Solutions: MCUs, SoCs and More, By Jeff Child
46: Technologies Enable Rich Features for Wearables: Big Challenges for Small Devices, By Jeff Child
52: DATASHEET: Open-Spec SBCs: Focus on Low Cost, By Jeff Child
56: PICKING UP MIXED SIGNALS: Build a CNC Pendant for Mach3: Controller Redesign, By Brian Millier
63: EMBEDDED SYSTEM ESSENTIALS: AirTag Teardown and Security Analysis: Hacker vs. Tracker, By Colin O’Flynn
68: FROM THE BENCH: How Gun-Style IR Thermometers Work (Part 1): Foreheads and Fahrenheits, By Jeff Bachiochi
75: Product News
78: Test Your EQ
79: The Future of Secure Encryption: Embedded Tech Enables Blockchain and Crypto, By Paul Golata

Issue #375
October 2021
Intelligent Vision Systems
6: Building the COSMAC ELF Microcomputer: Retro Design Reloaded, By Scott Weber
14: Ultraviolet: The Next LED Frontier: Hurdles and Hopes Examined, By Faiz Rahman
18: Build a Power Supply Monitoring and Control System: Using the ESP32 MCU, By Anuj Justus Rajappa and Vairamani Kanagavel
26: Voltage-Level Translation in MCU Projects: Solutions for Digital Controllers, By Wolfgang Matthes
36: Cache Coherence and the ACE Protocol: Snooping and Synching, By Nishant Mittal
41: Intelligent Vision Systems Leverage Embedded Tech: Smart Cameras, Software and Box-Level Systems, By Jeff Child
48: RISC-V Shakes Up the Embedded Processor Space: Open ISA Era Is Here, By Jeff Child
54: DATASHEET: Sensor ICs: Integration and Performance, By Jeff Child
58: EMBEDDED IN THIN SLICES: FreeRTOS (Part 6): FreeRTOS Security, By Bob Japenga
62: THE DARKER SIDE: Blocking and Interference Rejection: Signals and Sensitivity, By Robert Lacoste
68: FROM THE BENCH: How Gun-Style IR Thermometers Work (Part 2): Time for Temperature Tests, By Jeff Bachiochi
79: The Future of Massive IoT: Massive IoT and the Internet of Transformation, By Tom Nelson

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