Article Materials & Project Files

 

Click here for the Circuit Cellar article code FTP archive.

Many Circuit Cellar articles and projects have supplemental materials such as source code, references, resources, and sources/BOMs. Use the links below to view the complete supplemental materials for the current issue.

Issue #293 — December 2014

PROJECT FILES

All of the project files for this issue are available at: ftp://ftp.circuitcellar.com/pub/Circuit_Cellar/2014/293/

ARTICLE MATERIALS

Got Power?: Smart Energy Harvesting for Small Electronic Systems, By Jeff Bachiochi

SOURCES
EnerChip CC CBC3150
Cymbet | www.cymbet.com

LTC3330 Buck-Boost with energy-harvesting battery life extender
Linear Technology | www.linear.com

MAX17710 Energy-harvesting charger and protector
Maxim Integrated Products | www.maximintegrated.com

MCP73831/2 Li-Ion, Li-Polymer Charge Management Controller
Microchip Technology | www.microchip.com

NXQ1TXA1 Charger controller
NXP Semiconductors | www.nxp.com

SPV1050 Energy harvester and battery charger
STMicroelectronics | www.st.com

BQ25504 Boost converter
Texas Instruments | www.ti.com


Essential Electromagnetic Compliance (Part 1): An Introduction to EMC, by George Novacek

RESOURCES
K. Armstrong, Interference Technology Webinar, www.interferencetechnology.com.

O. Hartal, Electromagnetic Compatibility by Design, R&B Enterprises, 1995.

G. Novacek, “Impedance Matching,” Circuit Cellar 281, 2013.


Estimating Your Embedded System’s Project (Part 1): The Challenges of Planning Software Projects, by Bob Japenga


Experimenting with Metastability and Multiple Clocks on FPGAs, by Colin O’Flynn


Run With It: Build a Wireless Pedometer and Pace Tracker, by Ellen Chuang and Julie Wang

REFERENCE
[1] H. Kilani, “A Kinematic Comparison of Jordanian Sprinters in Relation to Legs Strength and Length,” University of Jordan, https://ojs.ub.uni-konstanz.de/cpa/article/viewFile/2588/2439.

RESOURCES
TinyRealTime, www.control.lth.se/~anton/tinyrealtime/.

“HC Serial Bluetooth Products,” Bluetooth Datasheet, www.exp-tech.de/service/datasheet/HC-Serial-Bluetooth-Products.pdf.

“HC-03/05 Embedded Bluetooth Serial Communication Module AT Command Set,” 2011, www.instructables.com/files/orig/F3O/K70G/H1LWQ0PO/F3OK70GH1LWQ0PO.pdf.

K. Hoffman, “Stature, Leg Length, and Stride Frequency, Track Technique, 46: 1463-69. Reference: K. Rompottie, “A Study of Stride Length in Running,” International Track and Field, 1972.

R. Tanawongsuwan and A. Bobick, “A Study of Humain Gaits Across Different Speeds,” Georgia Tech, https://smartech.gatech.edu/bitstream/handle/1853/85/03-01.pdf.

SOURCES
ATmega1284P microcontroller
Atmel | www.atmel.com

MMA2260D Accelerometer
Freescale Semiconductor | www.freescale.com


Do You Speak I/Q?: The Fundamentals of I/Q Signals, by Robert Lacoste

RESOURCES

M. Q. Kuisma, “I/Q Data for Dummies,” Ping Research, 2014, http://whiteboard.ping.se/SDR/IQ.

B. Locher, I/Q Experimentation Applet, 2011, www.fourier-series.com/IQMod/flashprograms/IQFFT.html.

R. Lyons, “Quadrature Signals: Complex, But Not Complicated,” 2008, www.ieee.li/pdf/essay/quadrature_signals.pdf.

SOURCES
AD9957 Quadrature digital up-converter and ADL5375 modulator
Analog Devices | www.analog.com

Calc
Libreoffice | www.libreoffice.org/

Scilab Software
Scilab Enterprises | www.scilab.org


Frequency-Hopping System, by Israel Schneiderman, Binyamin Helman, and Yehonatan Kali

RESOURCES

Analog Devices, “CMOS 180 MHz DDS/DAC Synthesizer,” Rev D, AD9851, 2004, www.analog.com/static/imported-files/data_sheets/AD9851.pdf.

———, “Fundamentals of Direct Digital Synthesis (DDS),” Rev. 0, 2009, www.analog.com/static/imported-files/tutorials/MT-085.pdf.

K. Gentile, “Direct Digital Synthesis (DDS) with a Programmable Modulus,” Rev A, AD953, 2010, www.analog.com/static/imported-files/application_notes/AN-953.pdf.

Mini-Circuits, “Understanding Mixers,” 1999, www.minicircuits.com/pages/pdfs/mixer1-2.pdf.

P. Vizmuller, RF Design Guide, Artech House Publishers, 1995.

SOURCES
AD9851 DDS Chip
Analog Devices | www.analog.com


Air Quality Mapper, by Raul Alvarez Torrico

RESOURCES
FatFs — Generic FAT File System Module, http://elm-chan.org/fsw/ff/00index_e.html.

Matplotlib1, http://matplotlib.org/.

MySQL-python2, http://sourceforge.net/projects/mysql-python/.

Numpy3, www.numpy.org.

SOURCES
MG-811 Sensor and MQ-7
Hanwei Electronics Co.| www.hwsensor.com

MCP6022 Op-amp
Microchip Technology, Inc. | www.microchip.com

Polstar PMB-648 GPS Module
Parallax | www.parallax.com

R5F100LEA and YRDKRL78G13 Development board
Renesas Corp. | www.renesas.com

Past issue article resources (PDF files)