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January (issue #354) Circuit Cellar

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p.6: Motion/Gesture-Controlled Speakers : PIC32 Playback, By Jidenna Nwosu, Benjamin Francis and Ayomi Sanni

Data Sheets:

PIC32MX250F128B Datasheet:

PIC32 hardware manual section Datasheets:

DAC Datasheet:

IR Distance Sensor Datasheet:

Raspberry Pi 3 Model B Datasheet:

Vendor Sites:

PIC32 Peripheral Libraries for MPLAB C32 Compiler:
Protothreads for PIC32:

Serial Communication Example:

Python Serial Library

Background Reading:
Raspberry Pi 3 Model B serial communication:

Video of project:

Digi-Key |
Mathworks |
Microchip Technology |
Pololu |

p.12: Device Measures Indoor Air Quality: Bluetooth-Based Design, By Carlo Tauraso


Adafruit |
Nordic Semiconductor |
TE Connectivity |
Waveshare |

p.20: Sound Localization: Using a PIC32 MCU, By JinJie Chen and Alvin Pan

[1]: microcontroller link hardware
[2]: datasheet for microphone
[3]: datasheet for the Op-Amp
[4]: link for the TFT display
[5]: for TFT library
[6]: link for the Digital-to-Analog Converter
[7]:   general reference for PIC32 related

Microchip Technology |
Texas Instruments |

p.27: Choosing Real-Time Embedded System Products: 10 Key Tips, By Rodger Hosking

Model 5950 Quartz RFSoC 3U VPX module

Pentek |

p.32: System Controller Manufacturing Test (Part 1): The Hardware, By Nishant Mittal and Manoj Khandelwal


Xilinx |

p.36: System Solutions Accelerate Drone Development: Fast Track to Flight, By Jeff Child

Aerotenna |
Intrinsyc Technologies |
Nvidia |
NXP Semiconductors |
Qualcomm |
Rajant |
Silvus Technologies |

p.42: Analog ICs Boast Battery Management Innovations: Perfecting Power, By Jeff Child

Analog Devices |
Maxim Integrated |
Renesas Electronics |
Texas Instruments |

p.46: DATASHEET: COM Express Boards: Compact Performance, By Jeff Child

Datasheet URL datasheet Links

ADLINK Technology
American Portwell
MEN Micro
MSC Technologies

p.50: EMBEDDED SYSTEM ESSENTIALS: Building Against Fault Injection Attacks: Cautious Coding, By Colin O’Flynn

Micah Scott’s video demonstrating an attack dumping an entire microcontroller firmware over USB:


p.54: PICKING UP MIXED SIGNALS: Relaxation Generator: Reloaded: Internet Era Upgrade, By Brian Millier

ESP32 DevKitC

Arduino ESP32 framework- Available on GitHub at:

MAX98357 I2S Class D amplifiers


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TFT color touchscreen display:

Adafruit |
Cadence Design Systems |
Espressif Systems |
Maxim Integrated |
Microchip Technology |
NXP Semiconductors |
Silicon Labs |
Texas Instruments |
U‑blox | www.u‑

p.64: THE CONSUMMATE ENGINEER: Semiconductor Fundamentals (Part 5) More on FETs, By George Novacek


p.68: FROM THE BENCH: Shedding Light on Smart LED Design (Part 1): Programming and Pixels, By Jeff Bachiochi


[2] Josh Levine’s WordPress blog– Follow Josh’s investigation of NeoPixels:
[4]    TN0897Technical note, ST SPI protocol

Adafruit |
Microchip Technology |
ST Microelectronics |

p.76: Product News

TDK-Lambda |
STMicroelectronics |

The complete TouchGFX Suite, including TouchGFX Designer and TouchGFX Engine, is available to download free of charge from

IAR Systems |

p.79: The Future of IoT as Safety Resource: Safer Living Through AI and IoT, By Jen Bernier-Santarini

[1] 2019 Global Assessment Report on Disaster Risk Reduction (GAR2019)

Adesto Technologies |



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January (issue #354) Circuit Cellar

by Circuit Cellar Staff time to read: 4 min