November (issue #412) Circuit Cellar

Click here for the Circuit Cellar article code archive

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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

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4: LoRaWAN Goes the Distance at Low Power — IoT’s Versatile Protocol for Long-Range, Wide-Area Connectivity, By Pedro Bertoleti

RESOURCES
Semetech | www.semtech.com
The Things Network | www.thethingsnetwork.org
The Things Industries | www.thethingsindustries.com

REFERENCES
[1] Semtech Corporation, SX1276 datasheet: https://www.mouser.com/datasheet/2/761/sx1276-1278113.pdf
[2] The Things Network article “Material Inicial sobre Redes LoRa e LoRaWAN”: https://www.thethingsnetwork.org/community/sorocaba/post/material-inicial-sobre-redes-lora-e-lorawan
[3] Semtech Corporation website: https://www.semtech.com/
[4] The Things Network reference document regarding ADR: https://www.thethingsindustries.com/docs/reference/adr/#:~:text=Adaptive%20Data%20Rate%20(ADR)%20is,energy%20consumption%20in%20the%20network.
[5] Pedro Bertoleti, Conectividade LoRaWAN: Fundamentos e Prática: (Portuguese Edition):
https://www.amazon.com.br/Conectividade-LoRaWAN-Fundamentos-Pedro-Bertoleti-ebook/dp/B0CFT9P7J5

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12: Catching Lightning in an IMU — Simulating Diffusion-Limited Aggregation with a Raspberry PI RP2040 MCU, By Angela Cui, Nathaniel Navarro, William Yoon

RESOURCES
Raspberry PI | www.raspberrypi.com

REFERENCES
[1]  Cyclic Diffusion-Limited Aggregation: Real-time natural pattern generation:
https://ciphrd.com/2020/07/21/cyclic-diffusion-limited-aggregation/
[2]  VGA Driver: https://vanhunteradams.com/Pico/VGA/VGA.html
[3] Adam Dunkels Protothread Library: https://dunkels.com/adam/pt/

Code and Supporting Files

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20: No Blues with Bluetooth! — Part 6: Bluetooth Cybersecurity Basics, By Robert Lacoste

REFERENCES
[1] Robert Lacoste. “No Blues with Bluetooth, Part 4: Let’s connect with BLE.” Circuit Cellar 409, August 2024
[2] Robert Lacoste. “No Blues with Bluetooth, Part 5: GATT explained.” Circuit Cellar 410, September 2024.
[3] – Bluetooth Core Specification v.5.4 https://www.bluetooth.com
[4] – securing/gattacker–A Node.js package for BLE (Bluetooth Low Energy) security assessment using Man in the Middle and other attacks. https://github.com/securing/gattacker
[5] — Exploiting Bluetooth Low Energy using Gattacker for IoT – Step-by-Step Guide:
https://blog.attify.com/hacking-bluetooth-low-energy
[6]- Bluetooth Smart lock interception and spoofing:

[7]- Ionut Arghire. “SweynTooth: Bluetooth Vulnerabilities Expose Many Devices to Attacks.”
Security Week,  February 14, 2020
https://www.securityweek.com/sweyntooth-bluetooth-vulnerabilities-expose-many-devices-attacks

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26: D&D Die Roller with Raspberry PI RP2040, Fantastical Project Built with MCU, TFT Display and LVGL Graphics, By Andrew Levido

RESOURCES
Raspberry Pi | www.raspberrypi.com
ST Microelectronics | www.st.com
LVGL | lvgl.io

REFERENCES
[1] “RP2040 Datasheet.” Accessed August 5, 2024. https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf
[2] “TS4990 – 1.2 W Audio Power Amplifier with Active Low Standby Mode – STMicroelectronics.” Accessed August 5, 2024. https://www.st.com/en/audio-ics/ts4990.html
[3] “LVGL — Light and Versatile Embedded Graphics Library.” Accessed August 5, 2024. https://lvgl.io/

Code and Supporting Files

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32: TECHNOLOGY FEATURE: Entertainment On Wheels — In-Dash Panels Control Head Units, Multiple Displays, Cameras and Sensors, By Tom Murphy     

RESOURCES
LG | www.lgcorp.com
Qt | www.qt.ioWebsite

REFERENCES
[1]LG and Qt vow to improve IVI: https://adtmag.com/Blogs/WatersWorks/2024/06/Qt-and-LG-Electronics-Team-Up-to-Revolutionize-In-Car-Entertainment.aspx
[2]Qualcomm strives to improve automotive cockpits: https://electronics360.globalspec.com/article/20253/techinsights-teardown-garmin-bmw-i7-head-unit
[3]Inside Garmin-BMW i7 head unit: https://www.qualcomm.com/products/automotive/snapdragon-602-automotive-platform
[4]Garmin provides Theatre Screen in a BMW: https://www.garmin.com/en-US/newsroom/press-release/automotive/garmin-receives-2022-bmw-group-supplier-innovation-award/
[5]Future IVI chip block diagram: https://www.qualcomm.com/products/automotive/cockpit
[6]Harman HUD: https://www.electronicspecifier.com/industries/automotive/keeping-eyes-on-the-road-ahead
[7] In flight entertainment benefits: https://apex.aero/articles/embedded-ife-key-to-profit-and-passenger-satisfaction

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38: DATASHEET: Power Up With DC-DC Converters — Application Types Drive Parameters Beyond Efficiency and Density, By Tom Murphy

Datasheet URLs:
Analog Devices: https://www.analog.com/media/en/technical-documentation/data-sheets/max17793.pdf
CUI: https://www.cui.com/product/resource/psc150w.pdf
Infineon: https://www.infineon.com/dgdl/Infineon-TLE7368-DataSheet-v02_60-EN.pdf?fileId=5546d46258fc0bc1015969d271b041d1
Murata: https://www.murata.com/products/productdata/8807024656414/bei15.pdf?1684208005000
NXP: https://www.nxp.com/docs/en/data-sheet/PF4210.pdf
ST Microelectronics: https://www.st.com/resource/en/datasheet/vipergan65.pdf
TDK: https://product.tdk.com/system/files/dam/doc/product/power/switching-power/dc-dc-converter/catalog/i7c_e.pdf
Texas Instruments: https://www.ti.com/lit/ds/symlink/tpsm82866a.pdf
Vicor: https://www.vicorpower.com/documents/datasheets/DCM2322x72S17A0y6z_ds.pdf

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42: PICKING UP MIXED SIGNALS:  Using Amazon Alexa to Control Custom IoT Gadgets —Integrating Voice Recognition for Smart Home Projects, By Brian Millier

RESOURCES
Espressif | https://www.espressif.com

SOURCES
Espalexa Arduino library (github): https://github.com/Aircoookie/Espalexa
Arduino library reference document: https://www.arduino.cc/reference/en/libraries/espalexa
Alexa Skill- IFTTTrigger-Alexa-Actions by mkZense https://mkzense.com
DFRobot FireBeetle ESP32-E module (DFR0654): https://www.dfrobot.com/product-2195.html
Espressif ESP32-Wroom-02 module (datasheet): https://www.espressif.com/sites/default/files/documentation/0c-esp-wroom-02_datasheet_en.pdf

Code and Supporting Files

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50: FROM THE BENCH: As a ‘Matter’ of Fact — Inside Latest Home Control Consolidation Attempt via Google — Home and Matter-over-Thread, By Jeff Bachiochi 

RESOURCES
Silicon Labs | www.silabs.com
Google | www.google.com
Thread Group | www.threadgroup.org
Connectivity Standards Alliance | www.csa-iot.org

REFERENCES
[1] Circuit Cellar #246, January, 2011. FROM THE BENCH—Smart Network Access Point by Jeff Bachiochi
[2] Jeff Bachiochi, “Turning Up the Heat: Building A Smart Thermostat.” Circuit Cellar #411, October, 2024.
[3] Download the required library file for the Matter-supported MGM240 at GitHub’s Silicon Labs/Arduino webpage: https://github.com/SiliconLabs/arduino
[3] Join the Connectivity Standards Alliance to certify a product: https://csa-iot.org/become-member/
[4] Matter demo example written by Tamas Jozsi (Silicon Labs):
https://github.com/SiliconLabs/arduino/blob/main/libraries/Matter/examples/matter_fan/matter_fan.ino
[5] Matter 1.3 Specifications: https://csa-iot.org/developer-resource/specifications-download-request/

SOURCES
csa-iot.org/resources/developer-resources/ Matter standards, Connectivity Standards Alliance
www.threadgroup.org/support#Resources Thread standards, Thread Group
matter-smarthome.de/en/homepage/  Independent information on Matter
home.google.com/welcome/ Google Home
www.apple.com/home-app/ Apple Home
www.samsung.com/us/smartthings/ Samsung Smarthings
www.amazon.com/b?&node=17386948011&ref=MARS_NAV_desktop_plswitcher Amazon Smart Home
www.home-assistant.io Home Assistant

Code and Supporting Files

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61: TECH THE FUTURE: The Future of Manufacturing Automation — Industrial Computers Boost Machine Vision Systems — GPU and CPU Performance Drive Rugged Industrial Platforms, By Cindy Lin

Resources
Cincoze | www.cincoze.com

REFERENCES
[1] X-Ray inspection: https://www.cincoze.com/en/story_info.php?id=137
[2] Railroad track inspection case study: https://www.cincoze.com/en/story_info.php?id=114
[3] Cincoze AMR case study: https://www.cincoze.com/en/story_info.php?id=114