November (issue #376) Circuit Cellar

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p.6: Build an IoT-Based Solar Panel Monitor: Using the Sigfox LPWAN, By Pedro Bertoleti

References:
[1] GitHub repository https://github.com/phfbertoleti/electrical_energy_monitoring_sigfox
[2] Luiz Henrique Corrêa Bernardes, “IoT Sigfox Com Edukit RedFox”, Instituto NCB, 2021.
[3] iHub repository: https://github.com/htmicron/ht32sx
[HT32SX SiP datasheet:
https://github.com/htmicron/ht32sx/blob/documents/HTSXMO32L%20Datasheet/DS001%20Rev.05%20-%20Datasheet%20HT32SX%20V2.2_24032021.pdf
HT32SX SiP AT Commands sheet
https://github.com/htmicron/ht32sx/blob/documents/Application%20Notes/AN0006%20-%20AT%20Commands.pdf
[4] Adafruit library for INA219 https://github.com/adafruit/Adafruit_INA219
[5] For the RedFox development kit, this procedure is described (in Portuguese, with screenshots in English idiom) at this link: https://www.newtoncbraga.com.br/arquivos/edukit_redfox_ativacao.pdf
[6]. https://docs.tago.io/en/articles/33-sigfox

p.16: IoT Device Measures Key Health Stats: The MyPulse Project, By Andrei Florian

References:
[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5647635
[2] https://www.ncbi.nlm.nih.gov/pubmed/29936653
[3] https://github.com/Andrei-Florian/MyPulse
[4] https://www.seeedstudio.com/Azure-Sphere-MT3620-Development-Kit-US-Version-p-3052.html
[5] https://www.mikroe.com/heart-rate-4-click
[6] https://azure.microsoft.com/en-us/services/azure-sphere/get-started
[7] https://azure.microsoft.com/en-us/free
[8] https://docs.microsoft.com/en-us/power-bi/fundamentals/service-get-started

p.28: Building an LC Meter: Retro Design Reimagined, By Charles Kosina

References:
[1] Alan Hampel, Vintage Workbench: The Tektronix Type 130 LC Meter, Parts 1 and 2. Silicon Chip, June, 2020 and July, 2020. https://www.siliconchip.com.au/Issue/2020/June/Vintage+Workbench
https://www.siliconchip.com.au/Issue/2020/July/Vintage+Workbench
[2] ATtiny4313 www.microchip.com/en-us/product/ATtiny4313
[3] Vishay capacitors https://www.newark.com/c/passive-components/capacitors?brand=vishay

p.36: Designing Accelerators: Hardware vs. Software: Speed and Synthesis, By Nishant Mittal

References:

[1] Vivado HLS User’s Manual
https://www.xilinx.com/support/documentation/sw_manuals/xilinx2018_3/ug902-vivado-high-level-synthesis.pdf

Xilinx | www.xilinx.com

p.39: Smart Lighting Technologies Leverage LEDs and IoT: Efficiency and Connectivity, By Jeff Child

p.47: Box-Level Systems Marry AI and IoT: Intelligence at the Edge, By Jeff Child

p.53: DATASHEET: DC-DC Converters: On Track for Performance, By Jeff Child

DATASHEET URLS:

CUI www.cui.com/product/resource/prq75w-d.pdf

MINMAX Technology www.minmax.com.tw/en/download/files/2964/MSCEU01-HI_Datasheet.pdf

Murata www.murata.com/products/productdata/8812872630302/KDC-MGJ2SM.pdf

RECOM https://recom-power.com/en/products/dc-dc-converters/rec-s-RPA150E-EW.html

TDK-Lambda Americas https://product.tdk.com/system/files/dam/doc/product/power/switching-power/dc-dc-converter/catalog/chvm_e.pdf

XP Power www.xppower.com/portals/0/pdfs/SF_HRC05.pdf

p.56: EMBEDDED SYSTEM ESSENTIALS: Building the ChipWhisperer-Husky: Upgraded Design, By Colin O’Flynn

Reference:
[1] “USB-to-FPGA Communications”, Circuit Cellar 299, June 2015

Microchip Technology | www.microchip.com
NewAE Technology | www.newae.com
Sigrok | www.sigrok.org
Xilinx | www.xilinx.com

p.59: PICKING UP MIXED SIGNALS: Cabinet Simulator: “Stomp Box” for Guitarists: Using Teensy 4.1, By Brian Millier

References:
[1} “Fancy Filtering with the Teensy 3.6” (Circuit Cellar 346, May 2019)
[2] TFilter- online FIR filter design: http://t-filter.engineerjs.com
[3] Teensy Audio Library and Audio System Design Tool:https://www.pjrc.com/teensy/td_libs_Audio.html
[4] Teensy 4.1, Audio Adapter and TFT Display can all be found on the PJRC (Teensy) website:https://www.pjrc.com

p.68: FROM THE BENCH: Timekeeping Using an MCU: Stepper Substitute, By Jeff Bachiochi

References:
[1] Patent for solid-state quartz watch
https://patents.google.com/patent/US3863436A/en?oq=3863436
[2] Simon Inns’ post on Vetinari’s Clock (driving a quartz clock movement).
www.waitingforfriday.com/?p=264
[3] Akafugu Corporation product on reproducing a Lord Vetinari clock.www.akafugu.jp/posts/products/vetinariclock
[4] Geppetto Electronics www.geppettoelectronics.com
[5] Nick Sayer’s PCB design files (Crazy Clock: A replacement controller for Lavet stepper clock movements).https://hackaday.io/project/5880-crazy-clock#menu-files
[6] Nick Sayer’s Firmware files for Crazy Clock— An ATTiny85-based, variable-rate (with long-term accuracy) clock movement.www.github.com/nsayer/Crazy-Clock
[7] Nick’s original project www.hackaday.io/project/5880-crazy-clock
[8] YouTube video with explanation of how a Lavet-type stepper motor works:

Adafruit | www.adafruit.com
Microchip Technology | www.microchip.com
Torex Semiconductor | www.torexsemi.com

p.79: The Future of Scalable IoT: Connecting and Managing IoT Devices at Scale, By Ken Lynch

References:
[1] GSMA IoT Revenue: State of the Market 2020
[2] James Brehm & Associates, “IoT Results & News Roundup thru Q3 2019”
[3] James Brehm & Associates, “State of the Market”, 2019
[4] ABI Research, “Shared Spectrum and Private Networks Tracker”, 3Q 2021

Senet | www.senetco.com

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November (issue #376) Circuit Cellar