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May (issue #406) Circuit Cellar

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4: IoT Desk Controller: Using a Raspberry Pi Pico, By Chris Cantrell

RESOURCES
Adafruit | www.adafruit.com
ExpressPCB | www.expresspcb.com
Raspberry Pi | www.raspberrypi.com

REFERENCES
[1] 5V Mechanical Relay: https://www.amazon.com/gp/product/B079FJSYGY
[2] TLP592A Solid State Relay: https://www.digikey.com/en/products/detail/toshiba-semiconductor-and-storage/TLP592A-F/1823624
[3] Biplane CircuitPython web server: https://github.com/Uberi/biplane
[4] HC-SR04 Ultrasonic Sonar Distance Sensor: https://www.adafruit.com/product/3942
[5] 2-key Mechanical Keyboard: https://www.amazon.com/gp/product/B09NC86LD7
[6] Tiny Blue LEDs: https://www.amazon.com/gp/product/B07P6L6FSF
[7] Adafruit PN532 NFC/RFID board: https://www.adafruit.com/product/364
[8] Adafruit RFID/NFC Smart Ring: https://www.adafruit.com/product/2806
[9] Suresh Joachim: https://www.guinnessworldrecords.com/world-records/209621-longest-duration-balancing-on-one-foot

SOURCES
PCB Mount Screw Terminals: https://www.amazon.com/Tnisesm-0-2inch-Terminal-Connector-Spliced/dp/B088LVP6ML

Protoboards: https://www.amazon.com/gp/product/B07MHGH6PP

Code and Supporting Files


10: Build a Monitor for Houseplants: Using an Arduino UNO, Sensors, and Wireless RF Transmission, By Andrei Florian

RESOURCES
Arduino | www.arduino.cc

REFERENCES
[1] “Indoor Plants Market Size—Global Industry, Share, Analysis, Trends and Forecast 2023-2032”—Acumen Research and Consulting: https://www.acumenresearchandconsulting.com/indoor-plants-market
[2] “The Best Air Purifying Plants, According to NASA”—FarmersAlmanac.com: https://www.farmersalmanac.com/air-purifying-plants
[3] “The Most Surprising Houseplant Statistics and Trends in 2024”—Gitnux: https://gitnux.org/houseplant-statistics/
[4] “Why plants in the office make us more productive”—ScienceDaily: https://www.sciencedaily.com/releases/2014/09/140901090735.htm
[5] “Gen Z Houseplant Ownership Stems from the Desire to Care for Something Alive”—Civic Science: https://civicscience.com/gen-z-houseplant-ownership-stems-from-the-desire-to-care-for-something-alive/
[6] Soil Moisture Sensor Hookup Guide: Instructions for calibrating the soil moisture: sensor: https://learn.sparkfun.com/tutorials/soil-moisture-sensor-hookup-guide?_gl=1*28xabh*_ga*OTg2MjM1NjY3LjE3MDYwMjI4OTE.*_ga_T369JS7J9N*MTcwNjMzNjkzOS4yLjEuMTcwNjMzNzAzNy42MC4wLjA.&_ga=2.179748900.1440378636.1706336939-986235667.1706022891
[7] Arduino IDE: https://www.arduino.cc/en/software
[8] Arduino extension available for Visual Studio Code: https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.vscode-arduino
[9] Guide for installing third-party libraries: https://docs.arduino.cc/software/ide-v1/tutorials/installing-libraries/
[10] VirtualWire, Liu Song—GitHub: https://github.com/song940/VirtualWire
[11] Wire, Arduino—GitHub: https://github.com/esp8266/Arduino/tree/master/libraries/Wire
[12] LiquidCrystal_I2C, Frank de Brabander—GitHub: https://github.com/fdebrabander/Arduino-LiquidCrystal-I2C-library
[13] dht, Dhruba Saha—GitHub: https://github.com/dhrubasaha08/DHT11

Code and Supporting Files


18: Video Game Inspired by The Legend of Zelda: Implemented on a Raspberry Pi Pico MCU, By Tangia Sun, Emily Speckhals, and Max Klugherz

RESOURCES
Raspberry Pi | www.raspberrypi.com

REFERENCES
[1] Wikipedia: The Legend of Zelda (Video Game): https://en.wikipedia.org/wiki/The_Legend_of_Zelda_(video_game)
[2] Framework for VGA driver developed by V. Hunter Adams and Bruce Land: https://vanhunteradams.com/Pico/VGA/VGA.html
[3] Adam Dunkels, “Protothreads”: https://dunkels.com/adam/pt/
[4} Cornell University, “ ECE4760, ProtoThreads, PIC32MX250F128B”: https://people.ece.cornell.edu/land/courses/ece4760/PIC32/index_Protothreads.html
[5] Video demonstration of the completed project: https://www.youtube.com/watch?v=4r80cfx1C0o

SOURCES
Adams, “ECE 4760/5730, Cornell University,” https://ece4760.github.io/, 2023
Raspberry Pi Ltd, “RP2040 Datasheet,” https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf 2023
Raspberry Pi Ltd, “Raspberry Pi Pico Datasheet,” https://datasheets.raspberrypi.com/pico/pico-datasheet.pdf 2023

Code and Supporting Files


24: TECHNOLOGY FEATURE: Artificial Intelligence: For Fitness and Health Aids, By Michael Lynes

RESOURCES
AI Wellness | aiwellness.ai
Apple | www.apple.com
Binah.ai | www.binah.ai
CliniScripts | cliniscripts.com
Doctronic | doctronic.ai
Google Health | health.google
Masimo | www.masimo.com
Mendora AI | www.mendora.ai

REFERENCES
[1] The Ultimate Guide to Health and Fitness Tech for 2024: https://www.pcmag.com/picks/the-ultimate-guide-to-health-and-fitness-tech
[2] Medium: https://medium.com/@jamesmendora/the-rise-of-ai-in-wellness-how-technology-is-transforming-the-health-and-wellness-industry-782610dbb2c2#:~:text=With%20AI%2C%20we%20can%20monitor,use%20of%20this%20powerful%20technology.
[3] AI ContentFY: https://aicontentfy.com/en/blog/ai-generated-content-for-health-and-wellness
[4] NLM Smart Devices for Health and Wellness… : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10298072/
[5] Hey Abby example video: https://youtu.be/g1yXMOt8iOc
[6] Mendora Free Trial: https://www.mendora.ai/signup
[7] Google Health—The Check Up: https://youtu.be/a7-Bi6t-iYU
[8] Google Health AI Diagnostics: India – https://youtu.be/zpsZMGXlAo4
[9] 16.   Johnson&Johnson: https://www.jnj.com/innovation/artificial-intelligence-in-healthcare?&utm_source=google&utm_medium=cpc&utm_campaign=GO-USA-ENG-PS-Corporate+Equity-GP-PH-RN-NB_STORIES_ARTIFICIAL+INTELLIGENCE&utm_content=AI+-+Healthcare&utm_term=health+ai&gad_ga_46ZFBRSZNM*MTcwNTQxNTIzMS4xLjEuMTcwNTQxNTI3OS4xMi4wLjA.&_ga=2.205332377.841604605.1705415231-1250245443.1705415231
[14] Kaleido: https://kawasakirobotics.com/asia-oceania/blog/story_22/
[15] Thor Arm video: https://youtu.be/F2CDeHrFr2k
[16] Improve human-robot collaboration with GhostAR—Arduino: https://blog.arduino.cc/2019/11/26/improve-human-robot-collaboration-with-ghostar/
[17] Tesla Optimus demo video: https://www.youtube.com/watch?v=cpraXaw7dyc
[18] HydraNet Tesla: https://youtu.be/j0z4FweCy4Msource=1&gclid=CjwKCAjwkuqvBhAQEiwA65XxQCcTwVinKOKhhwx3okzI4VPgGuYx2shx_lypmTMnCaw5y4mKDumj6hoC71UQAvD_BwE&gclsrc=aw.ds
[10] J&J MedTech – MONARCH Robotic Assisted Bronchoscopy: https://www.jnjmedtech.com/en-US/product-family/monarch
[11] Humanity App: https://apps.apple.com/us/app/humanity-genai-health-coach/id1519091344

SOURCES
“The Wizard of OZ” – https://en.wikipedia.org/wiki/The_Wizard_of_Oz
L. Frank Baum: https://en.wikipedia.org/wiki/L._Frank_Baum
“Wonderful Wizard of Oz, The” https://en.wikipedia.org/wiki/The_Wonderful_Wizard_of_Oz
“The Wonderful Wizard of Oz” – play: https://en.wikipedia.org/wiki/The_Wizard_of_Oz_(1902_musical)
“The Wiz” – play: https://en.wikipedia.org/wiki/The_Wiz
“Wicked” – play: https://en.wikipedia.org/wiki/Wicked_(musical)
AI Wellness Mirror®: https://videos.files.wordpress.com/I8Ly93Zk/whatsapp-video-2024-01-23-at-3.34.48-pm.mp4
Healthcare: https://aiwellness.ai/health-care/


30: DATASHEET: IoT Modules: A Multitude of Connectivity Solutions, By Sam Wallace

Ezurio Sera NX040 Series: https://www.ezurio.com/documentation/datasheet-sera-nx040-series
Infineon CYW20822-P4xxI040: https://www.infineon.com/dgdl/Infineon-CYW20822-P4TAI040_CYW20822-P4EPI040_AIROC_TM_BLUETOOTH_R_LE_MODULE-DataSheet-v03_00-EN.pdf?fileId=8ac78c8c8929aa4d018a1ede71db1ef1
Globalscale Technologies GTI-ATM3330e: https://globalscaletechnologies.com/wp-content/uploads/2023/08/GTI-ATM3330e-module-datasheet-R1.3-Aug-03-2023-.pdf
Morse Micro MM6108-MF08651-US: https://www.mouser.com/pdfDocs/PB-MM6108-MF08651-US_Product_Brief_USA-v1.pdf
Panasonic PAN1780: https://www.mouser.com/catalog/specsheets/Panasonic_RF_Module_PAN1780_Series_rev%201.3_061223.pdf
Renesas DA16600: https://www.renesas.com/us/en/document/dst/da16600mod-datasheet?r=25440996
Qorvo QPM2101: https://www.qorvo.com/products/d/da009156
Silex SX-PCEAX-AP/6E: https://www.mouser.com/pdfDocs/SX-PCEAX-AP_6E_ProductBrief_final1.pdf
u-blox ANNA-B112: https://www.mouser.com/datasheet/2/1025/ANNA_B112_DataSheet_UBX_18011707-2935661.pdf


34: EMBEDDED SYSTEM ESSENTIALS: Touching the Unknown With JTAG, By Colin O’Flynn 

RESOURCES
NewAE Technology | www.newae.com
NXP Semiconductors | www.nxp.com

REFERENCES
[1] Colin O’Flynn, “EMBEDDED SYSTEM ESSENTIALS: Bringing JTAG Boundary Scan into 2021: A Relic Reloaded.” Circuit Cellar 370, May 2021, pp. 60-65.
[2] PyJtag Boundary Scan project: https://github.com/colinoflynn/pyjtagbs
[3] Colin O’Flynn, “EMBEDDED SYSTEM ESSENTIALS: Building the ChipWhisperer-Husky: Upgraded Design.” Circuit Cellar 376, November 2021, pp. 56-58.
[4] Colin O’Flynn, “EMBEDDED SYSTEM ESSENTIALS: Low-Level Automotive ECU Security: Vehicle Vulnerabilities.” Circuit Cellar 364, November 2020, pp. 56-59.
[5] Freescale/NXP MPC5676RRM , “MPC5676R Microcontroller Reference Manual”: https://www.nxp.com/products/processors-and-microcontrollers/power-architecture/mpc5xxx-microcontrollers/ultra-reliable-mpc56xx-mcus/ultra-reliable-mpc5676r-mcu-for-automotive-and-industrial-engine-management:MPC5676R
[6] Freescale/NXP App Note AN4365, “Qorivva MPC56xx Flash Programming Through Nexus/JTAG”: https://www.nxp.com/docs/en/application-note/AN4365.pdf
[7] GITHub companion repository (source code posted here): https://github.com/colinoflynn/circuitcellar-EmbeddedSystemEssentials/=

Code and Supporting Files


40: PICKING UP MIXED SIGNALS: Smoke Alarm Monitoring: With an ESP32, By Brian Millier

REFERENCES
[1] Brian Millier, “GUI-O: A “Virtual” Front Panel For ESP32 Projects.” Circuit Cellar 389, December 2022.
[2] App Inventor Particle Photon Test on GitHub: https://github.com/TeamPracticalProjects/MIT-App-Inventor-Particle-Photon-test
[3] Brian Millier, “PICKING UP MIXED SIGNALS: Particle IoT Platform Update: Part 1.” Circuit Cellar 402, January 2024.
[4] DFRobot ESP32-C3 Beetle module (DFR0868): https://www.digikey.ca/en/products/detail/dfrobot/DFR0868/16678683?s=N4IgTCBcDaICIDEBKAGAHANjSAugXyA
[5] DFRobot DFR0478 FireBeetle: https://www.digikey.com/en/products/detail/dfrobot/DFR0478/7398878
[6] Pulse Electronics W3334B0100 External Bluetooth Antenna: https://www.digikey.ca/en/products/detail/dfrobot/DFR0868/16678683?s=N4IgTCBcDaICIDEBKAGAHANjSAugXyA
[7] Particle Tools—Particle Docs: https://docs.particle.io/tools/tools/
[8] Brian Millier, “PICKING UP MIXED SIGNALS: Easing into the IoT Cloud (Part 2): Modules in Action.” Circuit Cellar 342, January 2019.

SOURCES
ESP32 M5Stamp PICO: Digi-Key Part Number 2221-K051-ND
Datasheet: https://media.digikey.com/pdf/Data%20Sheets/M5Stack%20PDFs/C050-B_K051_K051-B.pdf
SPH0645LM4H I2S Microphone breakout board: Adafruit product ID 3241
Datasheet: https://www.knowles.com/docs/default-source/default-document-library/sph0645lm4h-1-datasheet.pdf
Battery Boost Module/charger module: https://www.amazon.ca/Battery-Module-Lithium-Charging-Protection/dp/B089KNW6N9/

RESOURCES
Adafruit | www.adafruit.com
Espressif Systems | www.espressif.com
Knowles | www.knowles.com
Prowl | www.prowl.com

Code and Supporting Files


48: FROM THE BENCH: Lighting a Miniature Holiday Village: Part 2: It Takes Custom Lighting to Make a Village, By Jeff Bachiochi

RESOURCES
Espressif Systems | www.espressif.com

REFERENCES
[1]  Jeff Bachiochi, “FROM THE BENCH: Lighting a Miniature Holiday Village: Part 1: Using DotStar RGB LEDs with an ESP8266 & WEMOS-D1 Mini.” Circuit Cellar 405, April 2024, p. 50.
[2] – World’s largest web developer site:  www.w3schools.com
[3]  Microsoft Expression Web 4 is no longer supported, but still great: www.expression-web-tutorials.com/ew4/installing-ew4.html
[4] How HTML has evolved is discussed in W3C Wiki:  www.w3.org/wiki/HTML/Specifications.

SOURCES
Wemos D1 mini ESP8266: www.wemos.cc
DotStar LEDs:  www.adafruit.com/search?q=dotstar

Code and Supporting Files


63: TECH THE FUTURE: The Future of Wireless Communication: Chip Antennas: Redefining Wireless Connectivity, By Shalini Nagar

RESOURCES
Research Nester | www.researchnester.com

SOURCES
“Chip Antenna Market Size & Share, by Product Type”—Research Nester: https://www.researchnester.com/reports/chip-antenna-market/5049

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May (issue #406) Circuit Cellar

by Circuit Cellar Staff time to read: 6 min