October (issue #411) 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: Learn to Program MCUs with uLISP — Part 1: Crash Course on a Pioneering Language, By Raul Alvarez Torrico

REFERENCES
[1] John McCarthy. 1960. Recursive Functions of Symbolic Expressions and Their Computation by Machine, Part I, http://jmc.stanford.edu/articles/recursive/recursive.pdf
[2] What Made Lisp Different, https://paulgraham.com/diff.html
[3] uLisp, http://www.ulisp.com/
[4] Download uLisp, http://www.ulisp.com/show?1AA0
[5] Surface of rotation, http://www.ulisp.com/show?3GPX
[6] Measuring air quality with uLisp, http://forum.ulisp.com/t/measuring-air-quality-with-ulisp/1082/1
[7] Graphics extensions, http://www.ulisp.com/show?31GT

SOURCES
Wio Terminal | https://www.seeedstudio.com/Wio-Terminal-p-4509.html
SenseCAP K1100 kit | https://www.seeedstudio.com/Seeed-Studio-LoRaWAN-Dev-Kit-p-5370.html
LilyPad LED | https://www.sparkfun.com/products/13902

RESOURCES
Paul Graham. 2002. The Roots of Lisp | https://languagelog.ldc.upenn.edu/myl/llog/jmc.pdf
Wio Terminal Guide | https://wiki.seeedstudio.com/Wio_Terminal_Intro/
Learn Common Lisp | https://lisp-lang.org/learn/

Code and Supporting Files

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12: Locate Your Missing Smartphone — Use an Arduino MKR 1010 MCU, Arduino IoT Hub, and Zapier, By Andrei Florian

REFERENCES
[1] Arduino IDE:  https://www.arduino.cc/en/software
[2] Visual Studio Code extension for Arduino: https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.vscode-arduino
[3] Creating an Arduino Cloud account https://cloud.arduino.cc/
[4] Arduino Cloud how it works page: https://cloud.arduino.cc/how-it-works/
[5] Arduino Create Agent installation link https://support.arduino.cc/hc/en-us/articles/360014869820-Install-the-Arduino-Create-Agent
[6] Create a Zapier account: https://zapier.com/sign-up
[7] Code for the Phone Locator: https://github.com/Andrei-Florian/PhoneLocator
[8] How to clone a GitHub: repository:  https://docs.github.com/en/repositories/creating-and-managing-repositories/cloning-a-repository
[9] How to install libraries in the Arduino IDE:  https://docs.arduino.cc/software/ide-v1/tutorials/installing-libraries/
[10] How to use the new Serial Monitor tool in the Arduino IDE: https://docs.arduino.cc/software/ide-v2/tutorials/ide-v2-serial-monitor/

RESOURCES
Arduino | www.arduino.cc
Zapier | www.zapier.com

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22: Build an Interactive Kinetic Wall — Using a Raspberry Pi 4 and Kinect V1 Camera,By Arijit Das

REFERENCES
[1] Demonstration video of the interactive kinetic wall:
https://youtu.be/YeezZDj25PI?si=6v_ND30EViaLjqSw
https://www.youtube.com/c/SPARKLERSWeAreTheMakers/,

RESOURCES
Aeonix Innovations | www.aeonixinnovations.com

Code and Supporting Files

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30: TECHNOLOGY FEATURE: Improving Patient Outcomes — Device Technology Advances Medical Practices, By Tom Murphy

REFERENCES
[1] Nvidia Holoscan https://nvidianews.nvidia.com/news/real-time-healthcare-industrial-scientific-ai-applications-igx-holoscan
[2]  Medtronic embraces AI https://news.medtronic.com/why-NVIDIA-is-bullish-on-artificial-intelligences-future-in-healthcare-newsroom
[3] Infineon Millimeter Wave Guide Vital Detection system https://www.infineon.com/cms/en/about-infineon/make-iot-work/smart-health-appliances/
[4]Silicon Labs small form-factor SoCs
https://news.silabs.com/2023-03-14-Silicon-Labs-Announces-New-Bluetooth-SoC-and-MCU-Ideal-for-Small-Form-Factor-Devices
[5]Analog Devices and PalmSens build a potentiostat: https://www.analog.com/en/signals/articles/palmsens-enables-electrochemical-biosensor-poc-diagnostics.html
[6] Endaitx Pillbot release:  https://endiatx.com/Press/PressReleaseJune/
[7]Endaitx TED talk: www.ted.com/talks/alex_luebke_vivek_kumbhari_how_you_could_see_inside_your_body_with_a_micro_robot?subtitle=en
[8]EPFL describes brain-to-text conversion https://actu.epfl.ch/news/an-entire-brain-machine-interface-on-a-chip/
[9] EPFL proposes a tiny brain-machine interface https://ieeexplore.ieee.org/document/10643873

RESOURCES
Nvidia | www.nvidia.com
Medtronic | www.medtronic.com
Infineon | www.infineon.com
Silicon Labs | www.silabs.com
Endiatx | endiatx.com

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36: DATASHEET: Very Cool Micro Machines — Smartphone Cooling Rounds Out Parade of Advanced MEMS, By Tom Murphy

Datasheet URLs:
Analog Devices: https://www.analog.com/media/en/technical-documentation/data-sheets/adxl380.pdf
Bosch-Sensortec: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bma530-ds000.pdf
Infineon: https://www.infineon.com/dgdl/Infineon-IM73A135-DataSheet-v01_00-EN.pdf?fileId=8ac78c8c7f2a768a017fadec36b84500
Melexis: https://media.melexis.com/-/media/files/documents/datasheets/mlx90830-datasheet-melexis.pdf
MEMSIC: https://www.memsic.com/Public/Uploads/uploadfile/files/20220119/MMC5983MADatasheetRevA.pdf
NXP: https://www.nxp.com/docs/en/data-sheet/NTM88Hxx5S.pdf
ST: https://www.st.com/resource/en/datasheet/ism330bx.pdf
TDK: https://invensense.tdk.com/wp-content/uploads/2024/04/DS-000479-T5848-Datasheet-v1.0.pdf
XMEMS: https://xmems.com/products/microcooling/

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40: START TO FINISH: Understanding Mesh Circuits — How to Use and Calculate Them, By Stuart Ball 

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44: EMBEDDED IN THIN SLICES: React Native Hooks —  The Closest Thing to System Calls, By Bob Japenga

REFERENCES
[1] https://snack.expo.dev/@rjapenga/useref
[2] https://react.dev/reference/react/useEffect
[3] https://snack.expo.dev/@rjapenga/useeffect
[4] https://snack.expo.dev/@rjapenga/usecontext 

RESOURCES
React Native | reactnative.dev

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50: FROM THE BENCH: Turning up the Heat — Building a Smart Thermostat, By Jeff Bachiochi 

REFERENCES
[1] Cielo WiGle, “Thermostat Wiring Explained in Detail! How To, Color Coding, Types & More:”
https://cielowigle.com/blog/thermostat-wiring/
[2] Silicon Labs, “MGM240P Data Sheet:”
https://www.silabs.com/documents/public/data-sheets/mgm240p-datasheet.pdf
[3] Jeff Bachiochi, “Thin Film Transistor LED Displays.” Circuit Cellar #410, September, 2024.
[4] Open Source Hardware Association, “A Resolution to Redefine Signal Names.”
https://www.oshwa.org/a-resolution-to-redefine-spi-signal-names/
Note: According to the Open Source Hardware Association, the terms MOSI and MISO have been replaced with SDO and SDI, with SD meaning “serial data.” The terminology, “Master/Slave” is considered obsolete and is discouraged.
[5] HomeTips LLC, Honeywell thermostat: https://www.hometips.com/how-it-works/how-thermostat-works.html
[6] Cryospheric Sciences Division of the European Geosciences Union. “Hysteresis for dummies: Why history matters:” https://blogs.egu.eu/divisions/cr/2020/12/04/hysteresis-for-dummies-why-history-matters

RESOURCES
Silicon Labs | www.silabs.com
Sparkfun | www.sparkfun.com

Code and Supporting Files

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63: TECH THE FUTURE: The Future of Automotive Battery Sensors — Intelligent Automotive Battery Sensor — Shunt Resistors and Evaluation,By Andreas Heder & Panagiotis Venardos

RESOURCES
Infineon | www.infineon.com
Vishay | www.vishay.com