Article Materials and Resources

October (issue #399) 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: Backend Web Development for MCU Clients: Part 1: Handling HTTP Requests in PHP, By Raul Alvarez-Torrico

[1] What is full stack development?:
[2] Laragon Documentation:
[3] Set Up a LAMP Web Server on a Raspberry Pi in 2023:
[4] Gas Sensor BME688:
[5] Installing ESP8266 Board in Arduino IDE:
[6] What is HTTP? Protocol Overview for Beginners:
[7] What is Unix time?:

ESP8266 NodeMCU CP2102 ESP-12E Development Board:
Adafruit BME688 – Temperature, Humidity, Pressure and Gas Sensor – STEMMA QT:

Arduino |
Espressif Systems |
Raspberry Pi |

Code and Supporting Files

12: zram in Embedded Linux: How to Maximize RAM in a Linux Environment, By Pedro Bertoleti

[1] Gecko & Fly—12 Free RAMDisk vs SSD:
[2] Linux kernel compilation for Raspberry Pi:
[3] Raspberry Pi imager software:
[4] Open-source zram Raspberry Pi project on Github:


16: Evaluating EDATEC’s Line of Industrial Modules: Based On the Raspberry Pi Compute Module 4, By Brian Millier

[1] EDATEC CM4 Industrial User Manual:
[2] Raspberry Pi CM4 Technical Reference Manual:

Texas Instruments |

Code and Supporting Files

26: Build a Solar-Powered Bobblehead: Using an Electromagnet to Drive the Bobble, By Dev Gualtieri

[1] “Simple inductance formulas for radio coils” in Proceedings of the IRE, Volume 16, Number 10, October, 1908, pp. 1398-1400.

Texas Instruments |

Code and Supporting Files

30: TECHNOLOGY FEATURE: Tiny Embedded Boards, By Michael Lynes

[1] Wikipedia article on Moore’s Law:
[2] “Moore’s law is not just for computers”, Nature:
[3] Wikipedia article on TI’s Regency TR-1 First Transistor Radio:
[4] Wikipedia article on Julius Edgar Lilienfeld:
[5] Shockley, Bardeen, and Brattain:,Apparatus%20for%20Controlling%20Electric%20Currents
[6] Lantronix XPico:
[7] XPico Developer Kit Guide:
[8] NVIDIA Jetson:
[9] JetBot Video:
[10] Community Platform:
[11] Toshiba BLE: SASP
[12] Nordic Semiconductor PMIC:
[13] ESP32 Pico:
[14] MIKROE Embedded:
[15] Arduino NANO:
[16] RasberryPi PICO:
[17] Adafruit Feather:
[18] RS DesignSpark Online—Smalled Embedded Modules:

Original Transistor Patent:
Smallest Chip in the World: IBM 2-NM chip –’s%202%2Dnanometer%20(nm,no%20bigger%20than%20your%20fingernail
IC Circuit Packaging:

36: DATASHEET: MEMS Sensors: They Sense Just About Everything, By Sam Wallace

• Analog Devices ADXL354/ADXL355:
• BOSCH BH1380:
• Invensense ICP-10125:
• Murata SCC400T Series:
• Omron D6T Series:
• Renesas ZMOD4410:
• SiTime SiT95145:
• STMicroelectronics LIS2DUX12:

40: START TO FINISH: When Technology Goes Wrong: How Bad It Can Get, and What You Can Do About It, By Stuart Ball

[1] Wikipedia article about the Three Mile Island nuclear reactor disaster:
[2] American Society of Quality FMEA overview:
[3] Wikipedia article about the Therac-25 radiation therapy machine (overexposure incidents):
[4] Wikipedia article about the Hyatt Regency Hotel’s overhead walkway collapse:

46: EMBEDDED IN THIN SLICES: How Thin-Slicing Can Help Us: The Search for “Fists” in Embedded Systems, By Bob Japenga

[1] Japenga, Bob, “Debugging Embedded Real-Time Systems: Strategies to Determine if a Problem is in HW or SW.” Circuit Cellar 391, February 2023.

Cerebras Wafer Scale Engine 2
Gladwell, Malcolm Blink – The Power of Thinking without Thinking
Gottman, John; Check out the Gottman Institute for a host of resources
For The Mathematics of Marriage find it on Amazon:
Sharma, Chris; “How does the Human Brain Compare to a Computer?” published by Micron

50: FROM THE BENCH: Local Isolation Using the Sun’s Energy: Part 2: Modbus Client, By Jeff Bachiochi

[1] Modbus specifications.

[2] Bachiochi, Jeff: From the Bench: Local Isolation: Using the Sun’s Energy. Circuit Cellar, Issue 398, September 2023, p. 52-58.

[3] Bachiochi, Jeff: From The Bench: MQ Telemetry Transport (Part 1): Going Aloft with Mosquitto. Circuit Cellar, Issue 351, October 2019, p. 64-71.

[4] Bachiochi, Jeff: From The Bench: MQ Telemetry Transport (Part 2): Bringing It All Back Home. Circuit Cellar, Issue 352, November 2019, p. 61-69.

[5] – MQTT –

[6] – Node-RED –

Adafruit |
Arduino |
Modbus |
Node-RED |
Renogy |
Texas Instruments |

Code and Supporting Files

62: TECH THE FUTURE: The Future of EV Efficiency: Gate-Drive Strength in EVs: Why Real-Time Variable Gate-Drive Strength Enables SiC Traction Inverter Efficiency Improvements, By George Lakkas

[1] UCC5880-Q1:
[2] TIDM-02014:

White paper, “Traction Inverters – A Driving Force Behind Vehicle Electrification.”

TI E2E design support forums technical article, “Improving Safety in EV Traction Inverter Systems.”

Code and Supporting Files

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.

October (issue #399) Circuit Cellar

by Circuit Cellar Staff time to read: 5 min