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Robo A Roboheist Challenge

July 2025

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Circuit Cellar

Teaching the Next Generation of Embedded Engineers

Embedded security should be part of every engineer's toolkit. While teaching a design course to undergraduate students, Colin introduced a few aspects of embedded security and wanted to give you an overview of this, as it might spark some ideas readers could reuse.

This article normally discusses embedded security, sometimes and that overlaps with my academic teaching at Dalhousie University. In this article I'm going to take a major detour to showcase some of the work from students in my undergraduate electrical and computer engineering class. Along the way I want to provide useful resources, in case you find yourself teaching a variety of topics, especially around design, security, and "thinking like a hacker."

I've released everything I was able to for this course under open-source licenses, with the goal of providing material for others who might find this sort of reference useful.

PETER GREGSON'S LEGACY

For many years, Dr. Peter Gregson taught a special course in third-year electrical and computer engineering at Dalhousie University. In that course, students were challenged to build autonomous robots to solve a specific objective, which changed almost every year. After Dr. Gregson passed, the course continued his legacy, and each year students under the supervision of another professor compete in the Dr. Peter Gregson Robotics Challenge.

In recent years, Dr. Vincent Sieben has taught this course and designed his own robotics platform called the DALibot (Currently there is not a website for Dr. Vincent Sieben's DALibot and it is unreleated to other DALibots out there). This platform includes a mini-PC, motors, LIDAR, and IMU. It uses the Robotics Operating System 2 (ROS2) language, which allows complex pathfinding and other designs.

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Saelig Introduces Economical AIM-TTI ATG1005 5MHz Function Generator

Saelig Co., Inc. announces the AIM-TTI ATG1005 Touchscreen Function Generator, which uses advanced Direct Digital Synthesis (DDS) technology to deliver high-quality, low-distortion Sine, Square, and Pulse waveforms to 5MHz, and triangle waveforms to 500kHz.

time to read

1 mins

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Circuit Cellar

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The Future of Edge AI Ultra-Low Power Edge AI

The Case for Intelligence at the Source

time to read

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IR Images Come to Your Cellphone

In this article Brian uses a Melexis MLX90640 IR camera module coupled to an ESP32 controller. He streams the image data to a web browser running on a cell phone, tablet, or computer, eliminating the need for a dedicated color LCD. Together, this makes for a very low-price IR camera.

time to read

20 mins

January 2026

Circuit Cellar

Circuit Cellar

STMicroelectronics' Intelligent Power Switch Automatically Adjusts to Handle Inrush Current

STMicroelectronics' IPS1050LQ low-side switch IC provides flexible overcurrent protection, including a static mode with fixed, programmable current limit and a dynamic mode that safely handles high inrush current.

time to read

1 min

January 2026

Circuit Cellar

Circuit Cellar

Nordic Semiconductor Unveils nRF54LV10A - Breakthrough Low-Voltage Bluetooth LE SOC for Next-Gen Healthcare Wearables

Nordic Semiconductor, a global leader in low-power wireless connectivity solutions, launches the nRF54LV10A SoC, setting a new benchmark for integration, performance, and battery life in the smallest medical devices.

time to read

2 mins

January 2026

Circuit Cellar

Circuit Cellar

SemiQ Expands 1200V Gen3 SiC MOSFET Line with Launch of 7.4, 14.5, and 34m2 SOT-227 Modules

SemiQ Inc, a designer, developer, and global supplier of superior silicon carbide (SiC) solutions for ultra-efficient, high- performance, and high-voltage applications, has expanded its family of 1200V Gen3 SiC MOSFETs, launching five SOT- 227 modules that offer RDSon values of 7.4, 14.5, and 34mΩ.

time to read

1 min

January 2026

Circuit Cellar

Circuit Cellar

Datasheet: Power Quality Monitoring Watching the Peaks and Valleys

Systems for Monitoring Power Quality for Homes and Industry

time to read

2 mins

January 2026

Circuit Cellar

Circuit Cellar

Build a Miniature Greenhouse for Hydroponic and Potted Plants

Automated Monitoring with a Raspberry Pi 4B

time to read

10 mins

January 2026

Circuit Cellar

Circuit Cellar

The Pulse of Innovation 600

The Rise of Wearable Technology

time to read

18 mins

January 2026

Circuit Cellar

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Build a Smart Energy Meter to Track Home Power Use

Using an ESP32 Dev Kit and PZEM-004T Energy Sensor Module

time to read

12 mins

January 2026

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