Article Materials and Resources

July (issue #360) Circuit Cellar

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p.6: Calibrating an MCU’s RTC Using GPS: Put Time on Your Side, By Stuart Ball

[1] Stuart Ball, “Something from Nothing: Debugging Embedded Systems with Minimal Resources,” (Circuit Cellar 312, July 2016)




Typical 32.768kHz crystal:

Maxim Integrated |
Texas Instruments |


p.14: Tool Estimates IoT Device Battery Life: BattLab-One, By Doug Peters

[1] Keysight CX3322A Device Current Waveform Analyzer:
[2] Dave Jones, “How not to blow up your oscilloscope.” (See video below)
[3] Source code, schematics and layout for the BattLab-One device:



Analog Devices |
Diodes Incorporated |
Espressif Systems |
FTDI Chip |
Keysight Technologies |
Texas Instruments |
Würth Elektronik |


p.20: IoT System Design Challenges: Connected Complexities, By Nishant Mittal

[1] RF Design Considerations for 802.15.4 Hardware Development
[2] “Designing Manufacturing Test Systems” (Circuit Cellar 352, November 2019)
[3] “System Controller Manufacturing Test (Part 1)” (Circuit Cellar 354, January 2020)
[4] “System Controller Manufacturing Test (Part 2)” (Circuit Cellar 355, February 2020)
[5] Figure 4. Anechoic chamber setup (Image Courtesy:    )

Cypress Semiconductor |
Intel |
NXP Semiconductors |
Xilinx |


p.26: Build an NTSC Racing Video Game: Using a PIC32 MCU, By Brandon Guo, Dustin Hwang and Haley Lee

[1] Programming 32-bit Microcontrollers in C: Exploring the PIC32 by Lucio Di Jasio (book)
[2] Sean Carroll’s PIC32 Small Dev Board:
[3] NTSC library:
[4] The direct digital synthesis (DDS) increment:
[5] Adafruit Arduino device library:
[6] Protothreads:

Video of project:

Adafruit Industries |
Microchip Technology |


p.32: Auto Design Safety Analysis – Reloaded: Understanding and Simplifying FMEDAs, By Chuck Battikha and Doug Smith

[1]  Push-Button FMEDAs for Automotive Safety: Automating a Tedious Task
[2]  How Formal Reduces Fault Analysis for ISO 26262.
[3]  It’s Not My Fault! How to Run a Better Fault Campaign Using Formal.
[4] For more information on our mission and how to contact us, please visit us at:

Mentor, A Siemens Business |


p.38: PCB Design Tools Up Their Systems Game: Coping with Complexities, By Jeff Child

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

p.42: FPGAs and GPUs Flex Their AI Muscles: Chip-Level Supercomputing, By Jeff Child

Achronix |
BittWare |
Flex Logix Technologies |
Intel |
Lattice Semiconductor |
Microchip Technologies |
Nvidia |
Quicklogic |
Xilinx |

p.49: DATASHEET: IoT Interface Modules: Wireless Wonders, By Jeff Child

Edge Devices
InnoComm Mobile Technology
Jorjin Technologies


Edge Devices
InnoComm Mobile Technology
Jorjin Technologies


p.52: PICKING UP MIXED SIGNALS: Build a SoundFont MIDI Synthesizer (Part 2): The Firmware and Circuitry, By Brian Millier


[1] “Build a SoundFont MIDI Synthesizer (Part 1): Using Teensy 4”( Circuit Cellar 358, May 2020)
[2] “Fancy Filtering with the Teensy 3.6: Arm-ed for DSP” ( Circuit Cellar 346, May 2019)
[3] Teensy Forum:
[4] Code for this article is in the Part 1 (May 358) folder on the Circuit Cellar code and files webpage.

Teensy 4 MCU module and PT8211 Stereo DAC module:    PJRC  L.L.C

AudioSynthWavetable object library and associated utilities:

Project repository located on GitHub at:

Teensy Audio System Design Tool:

NXP iMXRT1062 MCU Datasheet (manual):

SoundFont Technical Specification:

WAVE PCM Soundfile format:

Microchip Technology |
NXP Semiconductors |
Princeton Technology |


p.60: EMBEDDED SYSTEM ESSENTIALS: Building the ChipJabber-Unplugged: Old-School Glitching, By Colin O’Flynn

[1] Colin O’Flynn – “Recreating Code Protection Bypass: An LPC MCU Attack” (Circuit Cellar 338, September 2018)
[2] ChipWhisperer Tutorial – Bypassing LPC1114 Read Protect
[3] ChipJabber-Unplugged Reference:
[4] Chris Gerlinsky – “Breaking Code Read Protection on the NXP LPC-family Microcontrollers”. Recon Brussels 2017.
[5] Dmitry Nedospasov – “NXP LPC1343 Bootloader Bypass” –
[6] Thomas Roth, Josh Datko, and Dmitry Nedospasov – “Chip.Fail: Glitching the silicon of the Internet-of-Things.” –
[7] Samy Kamkar – GlitchSink –

Maxim Integrated |
Microchip Technology |
NXP Semiconductors |
Olimex |
Texas Instruments |


p.66: FROM THE BENCH: Oil Tank Gauge Uses Ultrasonic Sensing: Arduino in Action, By Jeff Bachiochi


AJ-SR04M – Waterproof Ultrasonic Distance Sensor

1Sheeld – Arduino shield for both Android and iOS

3ple Decker Case for Arduino

1Sheeld |
Microchip Technology |

p.79: The Future of Intelligent Vehicle Telematics: Telematics -The Auto Industry’s Black Box, By Dr. James J. Hunt


Aicas |

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July (issue #360) Circuit Cellar

by Circuit Cellar Staff time to read: 4 min