Article Materials and Resources

April (issue #405) Circuit Cellar

Click here for the Circuit Cellar article code archive

This issue is available in PDF format from our webshop.
As individual articles are made available on the website they will be linked on the TOC page-here

4: No Blues with Bluetooth!: Part 1: An Introduction…, By Robert Lacoste

Bluetooth SIG |

[1] Robert Lacoste, “Let’s Understand Ground Stitching Vias.” Circuit Cellar 394, May 2023.
[2] Idiotic IoT Devices Nobody Asked For:
[3] Hedy Lamarr Wikipedia article:
[4] Origin of the Bluetooth name:
[5] SIG member directory:
[6] SIG membership benefits:
[7] 2023 Bluetooth Market Update:
[8] Medium—“Who own them and how much are the essential patents to make a telephone?”:
[9]—“All the Essentials You Need to Brand Your Bluetooth Product”:
[10] Moses Singer—“Bluetooth’s Trademark Infringement Action Distorted by First Sale Doctrine”:

10: Zephyr RTOS: A Small, Real-Time Operating System for Embedded Devices, By Pedro Bertoleti

The Zephyr Project |

[1] Zephyr Project GitHub repository:
[2] Zephyr Project official website:
[3] All subsystems supported by Zephyr RTOS:
[4] Examples of the subsystems:
[5] Instructions for preparing Zephyr RTOS development environment in a Windows or macOS operating system:
[6] Pulse counter with LoRaWAN connectivity project repository on GitHub:
[7] Zilia Technologies website:

Code and Supporting Files

22: Silicon Integrated Circuit Manufacturing: Part 2: Making the Chips That Make Electronics Possible, By Faiz Rahman, PhD

Applied Materials Corporation |
Lam Research Corporation |

“Semiconductor Manufacturing,” Hitachi:
“6 crucial steps in semiconductor manufacturing,” ASML:
“Past, Present, and Future of Moore’s Law, which Supports the Advancement of the Semiconductor Industry,” Telescope Magazine:

26: TECHNOLOGY FEATURE: Cyber Security for IoT: On the Road to Canterbury, By Michael Lynes

Ordr |

[1] ‘The Canterbury Tales’ – Chaucer, Geoffrey:
[2] Numeric Encoding:
[3] Donald Knuth:
[5] Hexspeak:
[6] Hexspeak Words:
[7] 1337 (LEET):
[8] IoT Cyber Attacks:,control%20systems%2C%20and%20medical%20devices.
[9] Cloudflare:
[10] CheckPoint IoT:
[11] MicroSoft Defender IoT Security Solutions:
[12] Ordr CD 8.1 Video:

BotNet Detection:
Cyber Security IoT:
IoT Analytics:
Singapore Computer Society: Securing IoT –
Institute for Defense and Business:
Cloudflare API Shield:*l6ewaz*_ga*MTg0MDg2MDc3Mi4xNzA4OTUxNTMw*_ga_SQCRB0TXZW*MTcwODk1MTUzMS4xLjEuMTcwODk1MjEyNy4wLjAuMA..
Palo Alto Networks: Securing the IoMT –
Ordr Clinical Defender:
AMRIS IoMT Security Playbook:
Binariks Understanding IoMT Security: A Comprehensive Guide –

32: DATASHEET: DSPs and DSCs, Time is of the Essence, By Sam Wallace

Analog Devices ADSP-21593/-21594/-SC592/-SC594:
Analog Devices ADSP-SC596/-SC598:

Analog Devices ADAU1797:

Asahi Kasei Microdevices AK7709:

Cirrus Logic CS49834/44:

Infinera WA’A 400G:

Marvell Orion:

Microchip Technology:

Microchip Technology dsPIC33CK512MP608:

NXP Semiconductors MC56F80XXX:

36: The Magic Smoke Factory: Make Your Own SoM: A Modular Approach, By Joseph Corleto 

Espressif Systems |

[1] Xilinx—“System-on-Modules (SoMs): How and Why to Use Them”:
[2] Raspberry Pi Pico Development Board (Raspberry Pi Pico WH RP2040)—DigiKey:

Code and Supporting Files

42: START TO FINISH: ESD Protection, By Stuart Ball

Littelfuse |
Nexperia |
STMicroelectronics |
Texas Instruments |

[1] Stuart Ball, “Combating Electrical Noise: Keeping Your Circuits Quiet.” Circuit Cellar 403, February 2024.

46: EMBEDDED IN THIN SLICES: An Embedded Designer Looks at Mobile App Development, By Bob Japenga

Dart |
Expo |
Flutter |
React |
React Native |

[1] NuPulse—“What is iVAS?”:
[2] Stack Overflow 2023 Developer Survey:
[3] JQueryUI:

Code and Supporting Files

50: FROM THE BENCH: Lighting a Miniature Holiday Village: Using DotStar RGB LEDs with an ESP8266 & WEMOS-D1 Mini, By Jeff Bachiochi

Espressif Systems |
Wemos |

Code and Supporting Files

63: TECH THE FUTURE: The Future of Edge AI Vision: Edge AI Vision Kits: Elevating the Efficiency of Embedded Applications, By Maharajan Veerabahu

[1] e-con Systems’ qSmartAI80_CUQ610:

Keep up-to-date with our FREE Weekly Newsletter!

Don't miss out on upcoming issues of Circuit Cellar.

Note: We’ve made the Dec 2022 issue of Circuit Cellar available as a free sample issue. In it, you’ll find a rich variety of the kinds of articles and information that exemplify a typical issue of the current magazine.

Would you like to write for Circuit Cellar? We are always accepting articles/posts from the technical community. Get in touch with us and let's discuss your ideas.
Website | + posts

Circuit Cellar's editorial team comprises professional engineers, technical editors, and digital media specialists. You can reach the Editorial Department at, @circuitcellar, and

Supporting Companies

Upcoming Events

Copyright © KCK Media Corp.
All Rights Reserved

Copyright © 2024 KCK Media Corp.

April (issue #405) Circuit Cellar

by Circuit Cellar Staff time to read: 4 min