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An Arduino-Compatible Relay Controller for RS-485 Networks

An Arduino-Compatible Relay Controller for RS-485 Networks

This project brief describes how to build and use an Arduino-compatible relay interface board that switches a 10 A load over an RS-485 network.


Securing Cloud-Based PCB Design Workflows for ITAR-Controlled Defense Programs

Securing Cloud-Based PCB Design Workflows for ITAR-Controlled Defense Programs

Legacy air-gapped ECAD systems struggle to support modern engineering teams. Learn how Zero Trust and GovCloud enclaves enable compliant collaboration on export-restricted hardware IP.


Building a 5 V Single-Supply Electret Microphone Preamp

Building a 5 V Single-Supply Electret Microphone Preamp

This project brief describes how to build a compact, single-supply preamplifier module that converts the output of an electret microphone into a usable line-level audio signal.


What CAM and DFM Reviews Reveal Before Multilayer PCBs Enter Production

What CAM and DFM Reviews Reveal Before Multilayer PCBs Enter Production

Explore common design-to-manufacturing gaps observed during pre-production engineering checks of FR-4 boards, from stackup imbalances to tight clearances.


Build an Instrumentation Amplifier with Picoamp-Level Input Bias Current

Build an Instrumentation Amplifier with Picoamp-Level Input Bias Current

Discover how the LT1079 quad op-amp minimizes sensor loading in battery-powered designs. Active cancellation and an onboard bridge network ensure maximum precision for resistive sensors.


Arduino-Compatible RS-485 Linear Hall Sensor Board for Magnetic Field Sensing

Arduino-Compatible RS-485 Linear Hall Sensor Board for Magnetic Field Sensing

This project brief describes how to build and use an Arduino-compatible board that reads a linear Hall-effect sensor and reports the measurement over an RS-485 bus.


A 60 W Class-AB Audio Amplifier: A TDA7296-Based Single-Channel Power Amp

A 60 W Class-AB Audio Amplifier: A TDA7296-Based Single-Channel Power Amp

Learn how to construct a robust DMOS-based board featuring mute and standby controls. It easily drives 4 or 8 Ω loads for your next custom stereo or speaker project.


Siemens and ASU Launch Online Certificate Program for PCB Design

Siemens and ASU Launch Online Certificate Program for PCB Design

Learners gain practical experience with industry-standard software through a self-paced curriculum covering schematic capture, layout, and DFM verification


News Aug 10, 2026 by Dale Wilson
A 500 mA Power Op Amp Breakout Board With Precision Current Limiting

A 500 mA Power Op Amp Breakout Board With Precision Current Limiting

Safely drive up to ±500 mA into reactive loads. This compact module employs the LT1970A and offers independent 1% source/sink thresholds and onboard fault diagnostics.


Siemens Upgrades Its AI Agent to Enable Self-Verifying Agentic AI EDA Workflows

Siemens Upgrades Its AI Agent to Enable Self-Verifying Agentic AI EDA Workflows

Siemens’ updated Fuse EDA AI Agent validates its own decisions against deterministic, physics-based EDA engines.


News Aug 03, 2026 by Jake Hertz
A Dual 38W Power Amplifier: A Compact STA540-Based Stereo Audio Board

A Dual 38W Power Amplifier: A Compact STA540-Based Stereo Audio Board

This project brief describes how to build a compact dual-channel power amplifier module that delivers 38 W per channel into 4-ohm speakers using STMicroelectronics' STA540 audio amplifier IC.


A Precision Multi-Sensor Data Acquisition Module

A Precision Multi-Sensor Data Acquisition Module

Build a low-noise, 32-bit delta-sigma ADC board designed around the ADS1262. This 10-channel design features integrated signal conditioning for RTDs, thermocouples, and strain gauges.


Exclusive—Powering AI Processors Using a 48 V Factorized Power Architecture

Exclusive—Powering AI Processors Using a 48 V Factorized Power Architecture

In this Q&A with Vicor, we explore current multiplication and decoupled conversion stages. Both overcome traditional multiphase limitations and drastically cut I²R thermal losses for high-demand loads.


News Jul 21, 2026 by Dale Wilson
An Ultra-Low-Noise Pre-Amp For Audio Applications

An Ultra-Low-Noise Pre-Amp For Audio Applications

Build an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors, hydrophones, guitar pickups, microphones, and turntables.


A Four-Channel RS-422 Differential Line Receiver Module

A Four-Channel RS-422 Differential Line Receiver Module

This project brief describes how to build and use a four-channel differential line receiver module for balanced RS-422 and RS-485 data links.


A Four-Channel RS-422 Differential Line Driver Module

A Four-Channel RS-422 Differential Line Driver Module

This project brief describes how to implement a four-channel differential line driver module for reliable long-distance data transmission over balanced twisted-pair lines.


Why Your PCB Design Review Process is Obsolete and How to Fix It

Why Your PCB Design Review Process is Obsolete and How to Fix It

Sending static PDFs and Gerbers for feedback is killing your project timelines and leading to costly PCB rework. Learn how to break down engineering silos and modernize your PCB design reviews.


A 7 to 60 V Input Buck Converter: A Wide-Range DC-DC Step-Down Module

A 7 to 60 V Input Buck Converter: A Wide-Range DC-DC Step-Down Module

This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3 V output from input voltages ranging from 7 to 60 V.


Solving the Hard Problems: Combining AI and Physics for PCB Design

Solving the Hard Problems: Combining AI and Physics for PCB Design

Sergiy Nesterenko, founder and CEO of Quilter, discusses his journey from SpaceX to creating an AI platform that uses reinforcement learning and computational physics to fully automate complex PCB layouts.


The Isolated Half-Bridge: An IGBT Gate Driver Module with Current Sense

The Isolated Half-Bridge: An IGBT Gate Driver Module with Current Sense

This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the NCD57085DR2G. It features onboard current sensing and overcurrent protection.