Circuit Cellar - March 2025

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4: Accelerating AI - Handwritten Digit Recognition with FPGA-Powered CNNs, By Jichao Yang and Yiyang Zhao
10: Learn Lisp Programming Using MCUs - Part 3—Forward Kinematics in µLisp, By Raul Alvarez-Torrico
18: Introducing Bluetooth LE Audio - Part 2—Learning the Intricacies of these New Specifications, By Nick Hunn
24: Create an AI-Driven Smart Home Security System - Part 1— Setup and First Steps of the Raspberry Pi AI Kit, By Dhairya Parikh
30: TECHNOLOGY FEATURE: Industrial Automation - Revolutionizing Production with Innovation, By Caleb Smith
36: DATASHEET: DSPs and DSCs - Smarter Algorithms and Beyond, By Caleb Smith
40: PICKING UP MIXED SIGNALS: An Air Quality Monitor with a Blues Satellite Link Module, By Brian Millier
52: EMBEDDED SYSTEM ESSENTIALS: Exploring the RP2350 Security Raspberry Pi’s Novel “Security through Transparency” Approach, By Colin O'Flynn
62: TECH THE FUTURE: The Future of Voice-Enabled AI Industry Advancements in MEMS Microphones for Voice AI - Acoustic Activity Detection and High Acoustic Overload Point Transform Voice Interaction, By Uday Mudoi

Accelerating AI 61+X500

Handwritten Digit Recognition with FPGA-Powered CNNs

9 mins

Learn Lisp Programming Using MCUS

Part 3—Forward Kinematics in µLisp

10+ mins

Introducing Bluetooth LE Audio

Part 2—Learning the Intricacies of these New Specifications

10+ mins

Create an AI-Driven Smart Home Security System

Part 1- Setup and First Steps of the Raspberry Pi AI Kit

10+ mins

Datasheet: DSPs and DSCs

Smarter Algorithms and Beyond

7 mins

An Air Quality Monitor with a Blues Satellite Link Module

Brian had no sooner finished the review of Blues' LoRa Notecard when the new Starnote module was introduced. This module allows an IoT device to link to a geosynchronous satellite, for situations in which neither WiFi nor Cellular data links are operational. This article describes a project using the Starnote module.

10+ mins

Exploring the RP2350 Security

Raspberry Pi's Novel \"Security through Transparency\" Approach

8 mins

Longsys Launches 7.2mm Subsize eMMC, Breaking the Physical Space Constraints of AI Wearables

In the design of wearable devices, every millimeter matters.

2 mins

HSYCO Unveils New BACnet Server Driver for Enhanced Building Automation

HSYCO, a leading provider of integrated building management solutions, is excited to announce the release of its new BACnet Server driver.

1 min

Wearable Devices Announces Availability of its Mudra Link Neural Gesture-Control Wristband

Wearable Devices, Ltd., announced the general availability of its Mudra Link, the first neural wristband for Android, macOS, and Windows devices.

1 min

Pison and STMicroelectronics Announce Timex as Neural Sensor Partner, Ushering a New Era of Neurocognitive Wearables

Pison, the trailblazer in AI-powered neural sensors for neurocognitive health, wellness, and gesture control, announced it has begun licensing its innovative neural sensor to leading smartwatch and wearable brands.

1 min

The Future of Voice-Enabled AI Industry Advancements in MEMS Microphones for Voice AI

Acoustic Activity Detection and High Acoustic Overload Point Transform Voice Interaction Advancements in MEMS microphones are enhancing voiceenabled AI technologies across various consumer electronics.

4 mins

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Circuit Cellar Magazine Description:

Circuit Cellar magazine features engineering tutorials, detailed microcontroller-based projects, and embedded systems industry news for professional electrical engineers, EE/ECE academics, and highly skilled electronics enthusiasts. Since 1988, Circuit Cellar has featured projects and tutorials from the world's top engineers on subjects such as embedded development (e.g., prototyping and programming), signal processing (e.g., DSP chips and signal conditioning), programmable logic (e.g., FPGA projects), sensor systems (e.g., smart sensors and MEMS), 'Net-connected devices (e.g., IoT projects and protocol stacks), robotics (e.g., robotic systems and proximity sensing), and much more. Circuit Cellar is the ultimate resource for all of your electrical engineering-related needs.