Article Materials and Resources

December (issue #353) Circuit Cellar

Click here for the Circuit Cellar article code archive

p.6: Build a 4-DOF Robotic Arm (Part 1): Using MATLAB and Arduino, By Raul Alvarez-Torrico

[1] JGY370 DC motor
[2] PDI-6221MG servo motor
[3] 6DOF robotic arm kit

PID controller

What are good strategies for tuning PID loops?

Create a Simple App Using GUIDE

Arduino UNO

6DOF robotic arm kit

L298N motor driver

PDI-6221MG servo motor

MathWorks MATLAB computing environment

Arduino |
Mathworks |
STMicroelectronics |

Author’s company TecBolivia’s website:


p.14: Build a Simple Quadcopter Drone: Using a PIC32 MCU, By Yijia Chen, Stewart Aslan and Thinesiya Krishnathasan


[1] PIC32 peripheral library

[2] nRF24L01+ library

MPU 6050 Description

PIC32 Microcontroller

MPU 6050 IMU Datasheet

MPU 6050 IMU Register Maps and Descriptions

self-balancing robot

Digikey: How to Control Brushless DC Motors

Digi-Key |
Invensense |
Microchip Technology |
Nordic Semiconductor |


p.22: Create Your Own I-V Curve Tracer: A $50 Design, By George R. Steber

UPDATE : 12/12/2019   Files posted on “Circuit Cellar Article Code and Files” page:

[1] Steber, George, “Tracing Voltage and Current,” Circuit Cellar 162, January, 2004
[2] Steber, George, “A Low Cost Automatic Curve Tracer,” QST, July 2006 pp 32-36.
[3] Circuit Specialists,
[4] RCA Tunnel Diodes for Switching and Microwave Applications, Technical Manual TD-30, 1963.
[5] “Using Transistors as Negative-Resistance Devices”.
[6] Mathews, Tom and Toroni, Timothy, Design Feature, “Rework Within Your Reach,” EDN, pp 75-81, September 2, 2004.

Hantek |


p.32: Helping Cars Think for Themselves: AI and Neural Networks, By Bryce Johnstone


Imagination Technologies |


p.37: Modular Solutions Enable AI in Embedded Systems: Boards, Boxes and SoCs, By Jeff Child

Aaeon |
ADLINK Technology |
Arm | Foundation |
Innocomm |
Intel |
iWave Systems |
MediaTek |
Microsoft |
Nvidia |
Qualcomm |
Xilinx |



p.44: Test and Measurement Solutions Push the Envelope: Speed and Functionality Advances, By Jeff Child

Keysight Technologies |
Measurement Computing |
Pico Technology |
Rohde & Schwarz |
Siglent |
Tektronix |
Teledyne LeCroy |


p.48: PRODUCT FOCUS: DC-DC Converters: Compact Efficiency, By Jeff Child


Advertise Here

MINMAX Technology |
Murata Power Solutions |
TDK-Lambda Americas |
Vicor |
XP Power |


p.52: EMBEDDED IN THIN SLICES: LoRa (Part 2): The Things Network, By Bob Japenga


[1] A good history [1957-1977] of Digital Equipment Corporation including DECnet is found here:
And of course Wikipedia provides a pretty good summary of DECnet
[2] See Embedded in Thin Slices in Circuit Cellar October 2019.

[4] For a more detailed look at the security risks, the threats and the solutions when using LoRaWAN and TTN see  “Security Risk Analysis of LoRaWAN and Future Directions” at
[5] ExpLoRer board support
[6]  Raspberry Pi 3 B+
[7] RAKWireless 831 LoRa Gateway

Microchip Technology |
Raspberry Pi Foundation |
Shenzhen RAKwireless Technology |
Sodaq |


p.56: THE DARKER SIDE: Near-Field Magnetic Probes: Low-Cost EMI Detection, By Robert Lacoste


[1] Electromagnetic interference
[2] Electronic Systems Failures and Anomalies Attributed to Electromagnetic Interference
NASA publication 1274, R.D. Leach and M.B. Alexander, Editor
[3] EMI troubleshooting, step-by-step
Holland Shielding Systems BV

Electromagnetic Field
Physics 8.02 Electricity and Magnetism
Chapter 11 : Inductance and Magnetic Energy
MIT, Dr. Sen-ben Liao, Dr. Peter Dourmashkin, and Professor John W. Belcher

Probing the magnetic field probe
Roy Ediss, Philips Semiconductors, UK

RF Explorer–Low-Cost, Handheld Spectrum Analyzer

National Instruments |
RF Explorer |
Tektronix |


p.62: THE CONSUMMATE ENGINEER: Semiconductor Fundamentals (Part 4): Amplifiers and FETs, By George Novacek



George’s past article about infrared detectors (Circuit Cellar 343, February 2019).



Advertise Here

p.66: FROM THE BENCH: Controlled Circuit Breaking: Home Electricity Evolution, By Jeff Bachiochi




Figure 1 – By Laura Scudder – Laura Scudder, CC BY-SA 3.0,

Figure 2 –

Figure 3 –

Figure 4 – By – from en wikipedia, CC BY-SA 2.5,

Espressif Systems |
Node-RED |
openHAB |
Schneider Electric |


p.79: The Future of Airborne Security: Drones, Aircraft and Cyber Attacks—What Can Go Wrong?, By Alan Grau


[1] U.S. Department of Homeland Security Cybersecurity and Infrastructure Agency (CISA) issued a security alert

Sectigo awards:

Sectigo |


Advertise Here


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December (issue #353) Circuit Cellar

by Circuit Cellar Staff time to read: 4 min