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June (issue #359) Circuit Cellar

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p.6: Build a Multi-Purpose GPS Tracker: BLE MCU-Based Design, By Carlo Tauraso

References:

[1] “Device Measures Indoor Air Quality” By Carlo Tauraso, Circuit Cellar 354, January, 2020.
[2] MT3339 chipset  https://labs.mediatek.com/en/chipset/MT3339
[3] Adafruit “Ultimate GPS” breakout board https://www.adafruit.com/product/746
[4] https://cdn-shop.adafruit.com/datasheets/PMTK_A11.pdf
[5] https://nmeachecksum.eqth.net
[6] Download at MT3339 GPS PC Tool  https://learn.adafruit.com/adafruit-ultimate-gps/downloads

Adafruit Industries | www.adafruit.com
MediaTek | www.mediatek.com
Nordic Semiconductor | www.nordicsemi.com

 

p.14: Retro-Computing Takes to the Cloud: Old Meets New, By Todd Wade

References:

[1] http://www.bitsavers.org/components/hitachi/_dataBooks/U71_8-Bit_Single-Chip_Microcontroller_Data_Book.pdf
[2] www.codeblocks.org
[3] https://usermanual.wiki/Document/MC6801L1UMLILbugMonitorfortheMC6801LAug80.2060579305
[4] https://www.seeedstudio.com/WiFi-Serial-Transceiver-Module-w-ESP8266-1MB-Flash-p-2485.html
[5] https://blynk.io
[6] https://thingspeak.com
[7] https://io.adafruit.com
[8] https://kicad-pcb.org

Adafruit Industries | www.adafruit.com
Espressif Systems | www.espressif.com
Microchip Technology | www.microchip.com
NXP Semiconductors | www.nxp.com
Renesas Electronics | www.renesas.com
Seeed Studio | www.seeedstudio.com

 

p.22: Build a Robotic S’more Maker: Using Computer Vision and RPi, By Katie Bradford and Jared Gallina

References:

[1] (for raspberry pi) – https://www.raspberrypi.org/products/raspberry-pi-3-model-b-plus
[2] (continuous rotation servo) – https://www.amazon.com/KOOKYE-360-Continuous-Rotation-Helicopter/dp/B01HSX1IDE/ref=sr_1_10_sspa?keywords=parallax%2Bcontinuous%2Brotation%2Bservo&qid=1576340961&sr=8-10-spons&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzTjFLTlk5TkVISklWJmVuY3J5cHRlZElkPUEwNDY4NzI4R1pOSk82SDZXUjRLJmVuY3J5cHRlZEFkSWQ9QTA0NzI4NjIzTE5QOUQ5V1A0WDNSJndpZGdldE5hbWU9c3BfbXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1
[3] for piCamera) – https://www.raspberrypi.org/products/camera-module-v2/p
[4] reference claw  https://www.youmagine.com/designs/simple-robot-claw
[5] (stepper motor) – https://www.amazon.com/Stepper-Bipolar-Printer-Machine-Robotics/dp/B07BKRWK1Q/ref=sr_1_5?ie=UTF8&qid=1544357387&sr=8-5&keywords=stepper+motor+nema17
[6] (OpenCV) – https://opencv.org
[7] (stepper driver) – https://www.amazon.com/Qunqi-2Packs-Controller-Stepper-Arduino/dp/B01M29YK5U/ref=sr_1_2?s=hi&ie=UTF8&qid=1544356979&sr=1-2&keywords=Qunqi+L298N+Motor+Drive+Controller+Board+Module+Dual+H+Bridge+DC+Stepper+For+Arduino

Video of the SMORE project:

Microchip Technology | www.microchip.com
Raspberry Pi Foundation | www.raspberrypi.org

 

p.30: 4-20mA Transmitter Test Board Project: Programmable 2-Wire 4-20mA Design, By Mandar Bagul

References:

[1] PEPPEERL+FUCHS https://www.pepperl-fuchs.com/india/hi/18454.htm
[2] MIKROE-1296 4-20mA T Click board’s schematic  https://www.mikroe.com/4-20ma-t-click
[3] For additional information on mikroBUS – Refer: https://www.mikroe.com/mikrobus
[4]  “Little Logic Guide” from Texas Instruments. http://www.ti.com/lit/sg/scyt129g/scyt129g.pdf?ts=1588109735888

Adafruit Industries | www.adafruit.com
Analog Devices | www.analog.com
Bourns | www.bourns.com
Fluke | www.fluke.com
Maxim Integrated | www.maximintegrated.com
Microchip Technology | www.microchip.com
MikroElektronika | www.mikroe.com
Murata Power Solutions | www.murata-ps.com
Power Integrations | www.power.com
Sparktron Systems | www.sparktronsystems.com
Texas Instruments | www.ti.com
XP Power | www.xppower.com

 

p.40: Systems Focus Tops Industrial IoT Trends: Factories and Frameworks, By Jeff Child

Reference:

[1] The ESF Cloud Connector for AWS IoT Core deployment package can be download for free from the Eclipse Marketplace https://marketplace.eclipse.org/content/esf-cloud-connector-aws-iot-core

AAEON | www.aaeon.com
ADLINK Technology | www.adlinktech.com
Advantech | www.advantech.com
American Portwell Technology | www.portwell.com
Axiomtek | us.axiomtek.com
Eurotech | www.eurotech.com
FieldComm Group | www.fieldcommgroup.org
Kontron | www.kontron.com
Moxa | www.moxa.com
Semtech | www.semtech.com
WINSYSTEMS | www.winsystems.com

 

p.48: Sensor Advances Push Performance Barriers: Meeting IoT-Era Demands, By Jeff Child

ACEINNA | www.aceinna.com
Bourns | www.bourns.com
Infineon Technologies | www.infineon.com
Maxim Integrated | www.maximintegrated.com
ON Semiconductor | www.onsemi.com
Renesas Electronics | www.renesas.com
STMicroelectronics | www.st.com
TDK InvenSense | www.invensense.tdk.com
Texas Instruments | www.ti.com
TT Electronics | www.ttelectronics.com
Tributech | www.tributech.io

 

p.53: DATASHEET: AC-DC Power Supplies: Tailored Solutions, By Jeff Child

CUI    www.cui.com
Murata Power Solutions    www.murata-ps.com
RECOM    www.recom-power.com
TDK-Lambda Americas    www.us.tdk-lambda.com
XP Power    www.xppower.com

DATASHEET URLS:

Bicker Elektronik     www.bicker.de/files/downloads/datenblatt/beo-1400m_e.pdf
CUI     www.cui.com/product/resource/vof-15c.pdf
Murata Power Solutions     www.murata.com/products/productdata/8807039270942/pqu650.pdf?1583754815000
RECOM     https://recom-power.com/pdf/Powerline_AC-DC/RACM550-G.pdf
TDK-Lambda Americas     https://product.tdk.com/info/en/catalog/datasheets/cus600m_e.pdf
XP Power     www.xppower.com/portals/0/pdfs/SF_UC

 

p.56: EMBEDDED IN THIN SLICES: LoRa (Part 5): A MachineQ Example, By Bob Japenga

References:

[1] Contigo Travel Mug Care and User Guide https://s7d9.scene7.com/is/content/Ignite/Product%20PDFs/Westloop2.0%20Use%20and%20Care_web_Updated.pdf
[2] LoRa (Part 3) February 2020. Circuit Cellar 355, Embedded in Thin Slices column
[3] MQSpark Development Kit https://support.machineq.com/s/article/MQspark-Dev-Kit-Tutorial
[4] ST LoRa Dev Kit  https://support.machineq.com/s/article/ST-LoRa-Dev-Kit-Tutorial
[5] Here is a link comparing LoRa and SigFox https://www.link-labs.com/blog/sigfox-vs-lora
[6] For a description of an Arduino shield, look here: https://playground.arduino.cc/Main/SimilarBoards/#goShie
[7] Here is the phone battery I bought https://www.amazon.com/gp/product/B0194WDVHI/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
[8] Here is a link to the schematics https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-mpu-eval-tools/stm32-mcu-mpu-eval-tools/stm32-discovery-kits/b-l072z-lrwan1.html
[9] We have used cURL extensively in IoT projects. Here is a description of it: https://en.wikipedia.org/wiki/CURL
[10] This is yet another not easily found interface. https://swagger.machineq.net/#operations-Device-UpdateDevice
[11] Before you use this, you need to be authorized by signing into your MQCentral account.  https://swagger.machineq.net
[12] See the .JSON Resource file provided on Circuit Cellar’s article code and files webpage.
[13] This link provides Python code for signing into MQCore allowing you to access your data https://support.machineq.com/s/article/Signing-In-with-MQ-API
[14] This is the link to the webinar introduction to the development kit https://www.st.com/content/st_com/en/about/events/events.html/accelerate-your-lora-implementation-webinar.html

Arm Keil | www.keil.com
MachineQ | www.machineq.com
STMicroelectronics | www.st.com

 

p.60: THE DARKER SIDE: A Look at Homemade TCXOs: Crystal Crafting, By Robert Lacoste

References:

[1] The Darker Side – “Let’s Be Crystal Clear”, Circuit Cellar 215, June 2008
[2] QUCS (Quite universal circuit simulator)  http://qucs.sourceforge.net

Crystal oscillators
Wikipedia
https://en.wikipedia.org/wiki/Crystal_oscillator

“Design a Crystal Oscillator to Match Your Application”
Theron Jones, Maxim, tutorial 5265
https://www.maximintegrated.com/en/design/technical-documents/tutorials/5/5265.html

“Quartz Crystals”
Electronic Notes
https://www.electronics-notes.com/articles/electronic_components/quartz-crystal-xtal/resonator-basics-tutorial.php

“Quartz crystal stability: how myths and misconceptions mask good value”
IDQ
https://www.iqdfrequencyproducts.com/blog/2015/07/30/quartz-crystal-stability-how-myths-and-misconceptions-mask-good-value

PIC16F1788 microcontroller
Microchip
https://www.microchip.com/wwwproducts/en/PIC16F1788

BB156 varicap diode
NXP
https://www.nxp.com/docs/en/data-sheet/BB156.pdf

LM35 precision temperature sensor
Texas Instruments
http://www.ti.com/lit/ds/symlink/lm35.pdf

Ready for PIC (DIP28) development board
MikroE
https://www.mikroe.com/ready-pic-dip28

53230A frequency meter
Keysight
https://www.keysight.com/en/pd-1893420-pn-53230A/350-mhz-universal-frequency-counter-timer-12-digits-s-20-ps

IQD Frequency Products | www.iqdfrequencyproducts.com
Keysight Technologies | www.keysight.com
Maxim Integrated | www.maximintegrated.com
Microchip Technology | www.microchip.com
MikroE | www.mikroe.com
NXP Semiconductors | www.nxp.com
Texas Instruments | www.ti.com

p.67: FROM THE BENCH: Measuring Soil Moisture with ADCs: Capacitors as Garden Tools, By Jeff Bachiochi

References:

[1] – White Flye, 2006. Successive Approximation ADC Block Diagram, CC BY-SA 2.5.  https://commons.wikimedia.org/w/index.php?curid=37953205
[2] https://en.wikipedia.org/wiki/Successive_approximation_ADC#/media/File:ADC_animation_20.gif
[3] Jeff Bachiochi, “Texting and IoT Embedded Devices- Part 1,” Circuit Cellar 332, March, 2018.
Jeff Bachiochi, “Texting and IoT Embedded Devices – Part 2,” Circuit Cellar 333, April, 2018.

Microchip Technology | www.microchip.com

 

p.79: The Future of Smart City Lighting: Smart Poles: A Thermal Management Challenge, By Tom Gregory

References:

[1] www.woven-city.global
[2] www.sidewalktoronto.ca
[3] www.6sigmaet.info/software/features
[4] https://www.telecomreviewna.com/index.php?option=com_content&view=article&id=1133:los-angeles-is-the-worlds-first-city-to-deploy-smart-pole-street-lighting-smart-lighting-includes-cell-tower-functionality&catid=63:january-february-2016&Itemid=128

6SigmaET | www.6sigmaet.info
Future Facilities Ltd. | www.futurefacilities.com

 

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June (issue #359) Circuit Cellar

by Circuit Cellar Staff time to read: 5 min