PCB Silkscreen vs Solder Mask: What Each Layer Does and How They Differ
The difference between pcb silkscreen vs solder mask comes down to purpose. Solder mask is the thin polymer coating that
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
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
