July (issue #396) Circuit Cellar

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4: Build Your Own Infrared Signal Recorder: Using an Arduino Nano to Customize Any IR Remote Control, By Tommy Tyler

REFERENCES
[1] JP1 Forum’s J1 Remotes webpage, where you download a software bundle for IRScope v3.05:
http://www.hifi-remote.com/forums/dload.php?action=file&file_id=26615
[2] AIRWidget100-Code
[3] AIRWidget & IRScope Operating Instructions Rev. 1, January 20, 2023: http://www.hifi-remote.com/forums/dload.php?action=file&file_id=26682

RESOURCES
Arduino | www.arduino.cc

Code and Supporting Files

10: Designing Electronic Systems for an Underwater ROV: With “Semi-Wireless” Communication, Video, and Sensors, By Clinton Dundas, Alexander Ottosson, and Tony Biccum

REFERENCES
[1] Blue Robotics Website: https://bluerobotics.com/
[2] Kristian Lauszus, USB Host Shield Library: https://github.com/felis/USB_Host_Shield_2.0
[3] AKK Technology Wireless Video Transmitter and Receiver: https://www.akktek.com/products/vtx/akk-ts832-rc832.html
[4] nRF24 Series from Nordic Semiconductors: https://www.nordicsemi.com/Products/nRF24-series
[5] Nordic Semiconductors nRF chips: https://www.nordicsemi.com/products/nrf24-series
[6] Owen Edwards, nRF24l01+ library for MBed: https://os.mbed.com/users/Owen/code/nRF24L01P/forks
[7] Texas Instruments, MC3486 Quadruple Differential Line Receiver With 3-State Outputs, SLLS097C, Texas Instruments, June 1980 (REV February 2002). https://www.ti.com/product/MC3486
[8] Texas Instruments, MC3487 Quadruple Differential Line Driver, SLLS098C, Texas Instruments, May 1980 (REV February 2004). https://ti.com/lit/ds/symlink/MC3487.pdf

Code and Supporting Files

16: Arbitrary Function Generator: An 8-bit Digital and Analog Design, By Brian Beard

REFERENCES
[1] Electronics Tutorial article on R-2R DAC: https://www.electronics-tutorials.ws/combination/r-2r-dac.html
[2] Common waveform files from Lucid Technologies: https://www.lucidtechnologies.info/software.htm
[3] FGEN1 Kit from Lucid Technologies: https://www.lucidtechnologies.info/fgen1_11.htm

RESOURCES
Microchip Technology | www.microchip.com

Code and Supporting Files

24: TECHNOLOGY FEATURE: Digital Signage, By Michael Lynes

REFERENCES
[1] Wikipedia: Digital Signage: https://en.wikipedia.org/wiki/Digital_signage
[2] Virtual Mirror app from DigitalDM: https://digitaldm.com/virtual-mirror/
[3] Glasses.com Virtual Mirror: https://www.glasses.com/gl-us/virtual-mirror
[4] Signage Droid by E Display: https://www.signagedroid.com/product/signage-droid-z5/
[5] Rockbot Digital Signage: https://Rockbot.com/digital-signage
[6] ScreenCloud: https://screencloud.com/learn/buyers-guide-digital-signage-hardware
[7] Seneca Displays: https://www.senecadata.com/industry-solutions/digital-signage/all-in-one-displays/
[8] Mvix “110 Content Ideas: What to Display on your Digital Signage”: https://mvix.com/blog/digital-signage-content-ideas/
[9] Yodeck “Unbeatable easy digital signage”: https://www.yodeck.com/digital-signage/unbeatably-easy/
[10] Interactive digital signage from DigitalDM – https://digitaldm.com/interactive-digital-signage/
[11] DGI Communications page on digital signage: https://www.dgicommunications.com/digital-signage/#:~:text=Digital%20signage%2C%20sometimes%20called%20electronic,marketing%20messages%20or%20digital%20images
[12] MeldCx and Signagelive Announce Global Partnernship—article: https://www.meldcx.com/press/meldcx-and-signagelive-announce-global-partnership-to-enable-next-generation-data-driven-digital-signage

30: DATASHEET: MCUs with Built-In RF Capability: Chips with Range, By Sam Wallace

EDATEC CM4 Industrial: https://www.edatec.cn/uploads/soft/230407/CM4INDdatasheet-en.pdf

Espressif ESP32-C6: https://www.espressif.com/sites/default/files/documentation/esp32-c6_datasheet_en.pdf

Microchip Technology PIC32X-BZ2: https://ww1.microchip.com/downloads/aemDocuments/documents/WSG/ProductDocuments/DataSheets/PIC32CX-BZ2-and-WBZ45-Family-Data-Sheet-DS70005504.pdf

Nordic Semiconductor nRF54H20: https://www.nordicsemi.com/Products/nRF54H20

NXP Semiconductors IW612: https://www.nxp.com/docs/en/product-brief/IW612_PB.pdf

Renesas RA4W1: https://www.renesas.com/us/en/document/dst/renesas-ra4w1-group-datasheet?r=1054151

Silicon Labs FG28: https://www.silabs.com/documents/public/data-shorts/efr32fg28-datashort.pdf

STMicroelectronics STM32U595: https://www.st.com/resource/en/datasheet/stm32u595ai.pdf

Texas Instruments CC2340R5: https://www.ti.com/lit/ds/symlink/cc2340r5.pdf?ts=1685543590988&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FCC2340R5%253FHQS%253Depd-con-lpcs-cc2340_2q22-vanity-pp-lp-wwe_awr

34: PICKING UP MIXED SIGNALS: Home Controller Coordinates a Ductless Heat Pump: With an Existing Heating System, By Brian Millier

REFERENCES
[1] Fujitsu Heat pump specifications: https://www.fujitsugeneral.com/us/resources/pdf/support/downloads/submittal-sheets/current/AOU18RLXFZH-2019.pdf

[2] Millier, Brian: Build an iPad-Based IR Remote (Part 1): The Original Design and IR Code Protocols. Circuit Cellar, Issue 310, May 2016, p. 12-19

[3] Millier, Brian: Build an iPad-Based IR Remote (Part 2): System Circuitry and Programming. Circuit Cellar, Issue 311, May 2016, p. 26-33.

[4] Millier, Brian: Build a Touchscreen IR Remote: Using an ESP32 MCU. Circuit Cellar, Issue 380, March 2022, p. 59-69.

[5] Millier, Brian: Using ESP-NOW Protocol (Part 1): A Low-Power Wi-Fi Alternative. Circuit Cellar 368, March 2021, p. 56-63.

[6] Millier, Brian: Using ESP-NOW Protocol Part 2: Hardware Description. Circuit Cellar 370, May 2021, p. 52-59.

[7] Millier, Brian: GUI-O: A “Virtual” Front Panel: For ESP32 Projects. Circuit Cellar 389, December 2022, p. 28-38.

[8] ESP32-DevKitC: https://www.digikey.ca/en/products/detail/espressif-systems/esp32-devkitc-ve/12091812

[9] DS3231 RTC: https://www.digikey.ca/en/products/detail/analog-devices-inc-maxim-integrated/DS3232MZ-TRL/3087654

[10] AM2320 Temperature/Humidity sensor: https://www.adafruit.com/product/3721

[11] OpenWeatherMap API Service: https://openweathermap.org/api

[12] Vishay IR Receiver: https://www.digikey.ca/en/products/detail/vishay-semiconductor-opto-division/TSOP38238/1681362

[13] Recom RAC05-05SK/C14: https://www.digikey.ca/en/products/detail/recom-power/RAC05-05SK-C14/9695301?s=N4IgTCBcDaIEoEEDCAGArAWnQZQNIHokBGAFhAF0BfIA

Code and Supporting Files

46: EMBEDDED SYSTEM ESSENTIALS: Running an Ibex RISC-V Core: On an FPGA, By Colin O’Flynn

REFERENCES
[1] O’Flynn, Colin: Taking a Look at RISC-V Power Analysis. Circuit Cellar, Issue 382, May 2022, p. 64-67.

[2] lowRISC, Ibex Repository: https://github.com/lowRISC/ibex

[3] lowRISC, Ibex demo system repository: https://github.com/lowrisc/ibex-demo-system

[4] O’Flynn, Colin: Programmable Logic in Practice: Breaking Unbreakable Cryptography. Circuit Cellar, Issue 313, August 2016, p. 42-47.

[5] Code for attack demonstrations from this article: https://github.com/colinoflynn/circuitcellar-EmbeddedSystemEssentials/tree/main/396_2023_07_JULY

RESOURCES
NewAE Technology Inc. | www.newae.com
Xilinx | www.xilinx.com

50: FROM THE BENCH: Barometer: Under (Air) Pressure, By Jeff Bachiochi

REFERENCES
[1]-Farmers’ Almanac, “Can Aches and Pains Predict the Rain?” https://www.farmersalmanac.com/can-aches-and-pains-predict-the-rain-10960

[2] -How a mercury barometer works:
https://www.explainthatstuff.com/barometers.html

[3]– US Patent Office, Patent No. 2,367,034, Aneroid Barometer:
https://patents.google.com/patent/US2367034A/en

[4] Shenzhen Hope Microelectronics Co., Ltd. HP206C, Waterproof MEMS Altimetric Pressure Module: https://www.hoperf.com/sensor/pressure_sensor/HP206C.html

[5] HP206C Data Sheet:
https://www.hoperf.com/data/upload/portal/20190307/HP206C_DataSheet_EN_V2.0.pdf

[6] -Example of weather map showing high- and low-pressure areas:
https://www.americangeosciences.org/education/k5geosource/content/weather/why-is-the-weather-different-in-high-and-low-pressure-areas

[7] – A barometer that includes types of weather to expect at various pressures: www.weatherwizkids.com/?page_id=82

Code and Supporting Files

63: TECH THE FUTURE: The Future of Data Center Efficiency: Overcoming Power Obstacles in Data Centers, By Vito Savino

REFERENCES
[1] Report: “Investing in the rising data center economy” from McKinsey & Company: https://www.mckinsey.com/industries/technology-media-and-telecommunications/our-insights/investing-in-the-rising-data-center-economy
[2] “Data Center Market Size and Share Analysis by Infrastructure Type” from Prescient & Strategic Intelligence: https://www.psmarketresearch.com/market-analysis/data-center-market
[3] “Cooling Energy Consumption Investigation of Data Center IT Room with Vertical Placed Server” from ScienceDirect: https://www.sciencedirect.com/science/article/pii/S1876610217306331
[4] “Why do data centers use so much energy?” from DW: https://www.dw.com/en/data-centers-energy-consumption-steady-despite-big-growth-because-of-increasing-efficiency/a-60444548#:~:text=Data%20centers%20need%20electricity%20to,use%201%25%20of%20global%20electricity.
[5] “Data centers keep energy use steady despite big growth” from DW: https://www.dw.com/en/data-centers-energy-consumption-steady-despite-big-growth-because-of-increasing-efficiency/a-60444548#:~:text=The%20study%20expects%20consumption%20to,to%20offset%20growing%20electricity%20demand.
[6] “How Much Energy Do Data Centers Really Use?” from Energy Innovation Policy and Technology LLC: https://energyinnovation.org/2020/03/17/how-much-energy-do-data-centers-really-use/

RESOURCES
ABB Power Conversion | www.abbpowerconversion.com

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July (issue #396) Circuit Cellar