PCB Panelization Mouse Bites: Design Rules, Dimensions, and When to Use Them
Written by the PrototypeGuru Editorial Team. Researched against technical guidance from Altium, JLCPCB, AllPCB and BestPCBs. Last updated for PrototypeGuru
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SMT vs Through-Hole Technology: Key Differences, Advantages and Applications
Written from the perspective of a practicing electronics engineer with eight-plus years of hands-on PCB design and manufacturing experience. Verified
PCB Design for Testability: The Complete Engineer’s Guide
Staring at a finished layout and realizing there is nowhere for a test probe to land is a frustrating way
ESP32 Board Manager URL Not Working: How to Fix It (2026)
You copied the ESP32 URL into Additional Board Manager URLs exactly like every tutorial says, clicked OK, opened Boards Manager,
DIY PCB Solder Mask: A Complete Beginner Guide to Protecting Your Homemade Boards
If you have ever etched a circuit board at home and watched the bare copper start to dull within a
JTAG Debugging ESP32-S3: The Complete Engineer’s Guide (2026)
JTAG debugging ESP32-S3 lets you halt the processor, set breakpoints, inspect memory, and step through firmware line by line, something
PCB Via Thermal Relief: Design Rules, Via Connections & Best Practices
If a via in your ground plane refuses to reach soldering temperature, or a through hole pin produces a dull,
Power Supply Filtering Circuit: Complete Design Guide
After eight years of debugging noisy rails on everything from wearable sensors to industrial motor controllers, I’ve learned that filtering
Surge Protection PCB Design: Key Guidelines
Quick answer: Surge protection PCB design means placing clamping devices such as MOVs, TVS diodes, and GDTs at the point
Electronic Component Derating Guidelines: The Complete Engineering Reference
Component failures rarely happen because a part was defective out of the box. In my eight years designing and validating
