Article Materials and Resources

June (issue #347) Circuit Cellar

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p.6: Taming Your Wind Turbine: Power Perfected, By Alexander Pozhitkov, PhD.

[1]  F. Manwell, J. G. McGowan and A. L. Rogers. Wind Energy Explained: Theory, Design and Application, Second Edition 2009. JohnManwell_09 Wiley & Sons.

BK Precision |
MidNite Solar |

p12: Haptic Feedback Electronic Travel Aid: Vibration Vision,
         By Aaheli Chattopadhyay, Naomi Hess and Jun Ko

[1] National Research Council (US) Working Group on Mobility Aids for the Visually Impaired and Blind. Electronic Travel AIDS: New Directions for Research. Washington (DC): National Academies Press (US); 1986. Chapter 6, THE TECHNOLOGY OF ELECTRONIC TRAVEL AIDS. Available from:
[2] Protothreads documentation, Adam Dunkels,
[3] GetSerialBuffer, Bruce Land
[4] Poika Isokoski, ‎Jukka Springare, “Haptics: Perception, Devices, Mobility, and Communication: 8th,” 2012

Sean Carroll. The Small Board, Nov 2016

Cassinelli Alvaro, Reynolds Carson and Ishikawa Masatoshi : Augmenting spatial awareness with Haptic Radar, Tenth International Symposium on Wearable Computers(ISWC) (Montreux, 2006.10.11-14)

Data sheets:

VL53L0X (ST Microelectronics)

Adafruit VL53L0X Breakout (Adafruit)

2N3904 (ST Microelectronics)

TIP31 (ST Microelectronics)

Code/designs borrowed from others:

Polulu Arduino library for VL53L0X sensor

Protothreads source

PIC32 protothread code for UART

Three solderable perf boards
ToF sensor
Vibration Motor (ERM 3V)
Arduino Pro Mini
Wristband (sock)
Header pins
Header sockets
Small board (PIC)
Two 9 volt batteries
Flashlight case

Adafruit |
Microchip Technology |
STMicroelectronics |

p.20: GPS Guides Robotic Car: Arduino UNO in Action, By Raul Alvarez-Torrico


Fundamentals of a GPS guided vehicle

Calculating the Distance Between Two GPS Coordinates with Python (Haversine Formula)

Arduino UNO

GY-GPS6MV2 GPS receiver module

HMC5883L digital compass module

L298N motor driver

Arduino |
HiLetgo |
Honeywell |
STMicroelectronics |
U-blox |

p.28: Understanding PID: Control Concepts, By Stuart Ball

Wikipedia has a good article on PID control:

TM4C1231233H6PM datasheet:

Texas Instruments |

p.36: Building a PoE Power Subsystem: Design Decisions,
             By Thong Huynh and Suhel Dhanani


Maxim Integrated |

p.42: Integration Trend Leads PCB Design Tool Evolution: Comprehensive Solutions, By Jeff Child

Altium |
Cadence Design Systems |
Mentor, a Siemens Company |
Zuken |

p.48: Sensor Innovations Span a Wide Range of Solutions: Ready for the IoT Era,
By Jeff Child

Analog Devices |
Infineon Technologies |
Maxim Integrated |
Microchip Technology |
Renesas Electronics |
STMicroelectronics |
Texas Instruments |

p.53: PRODUCT FOCUS: AC-DC Power Supplies: Application Emphasis,
           By Jeff Child

Aimtec |
MINMAX Technology |
TDK-Lambda Americas |
XP Power |

p.56: THE DARKER SIDE: dB for Dummies: Decibels Demystified,
           By Robert Lacoste

“ dB or not dB?”, A. Winter, Rohde & Schwarz, Application note 1MA98_8e, May 2014.

Rohde & Schwarz |

p.60: EMBEDDED IN THIN SLICES: Bluetooth Mesh (Part 3): Secure Provisioning,
            By Bob Japenga

[1] April 2019 Circuit Cellar Embedded in Thin Slices
[2] Bluetooth Profile Specification 5.4.3
[3] August 2018 Circuit Cellar Embedded in Thin Slices

p.64: THE CONSUMMATE ENGINEER: Energy Monitoring (Part 1): Sun-Powered System, By George Novacek

Adafruit |
Sparkfun |

p.67: FROM THE BENCH: Windless Wind Chimes (Part 1): Let Randomness Ring,
           By Jeff Bachiochi

Eight Darlington arrays w/diode protection
ST Microelectronics

Low-Power, High-Performance Microcontrollers with XLP Technology
Microchip Technologies

XL6009E adjustable DC-DC Switching boost converter

USB LiIon/LiPoly charger – v1.2

Adafruit |
Addicore |
Microchip Technology |
STMicroelectronics |

p.79: The Future of Embedded Databases: Embedded Database Systems in the Age of IoT, By Steve Graves

McObject |

Article Materials for Circuit Cellar Magazine Issue 347 • June 2019 — Get a PDF of the Issue

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June (issue #347) Circuit Cellar

by Circuit Cellar Staff time to read: 4 min