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

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

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
Circuit Cellar's editorial team comprises professional engineers, technical editors, and digital media specialists. You can reach the Editorial Department at [email protected], @circuitcellar, and facebook.com/circuitcellar