Handcrafted Hardware & Engineering Gear
Free open documentation for DIY builders. Pre-assembled, bench-tested hardware for makers who want ready-to-run tools. Designed, soldered, and benchmarked on our workbench.
Assembled Modules & Circuit Kits
Love the project but don't want to source 15 different components or solder tiny SMD pins yourself? We assemble, flash, test, and ship finished circuit builds directly from our lab.
- ✓ 100% Open-Source schematics & code on the blog
- ✓ Hand-soldered, bench-tested & verified
- ✓ Includes companion wiring guide & code examples
Full DIY Schematics, Code & Gerbers
Prefer building everything from scratch? Every single project published on SiliconPen includes full component lists, companion Arduino/C++ code, and PCB Gerber files free for readers.
- ✓ Complete step-by-step assembly guides
- ✓ Bill of Materials (BOM) with supplier links
- ✓ Interactive in-browser Wokwi / Tinkercad simulations
Minimalist Hardware Engineer Apparel
Custom gear tailored specifically for embedded builders: heavyweight tees with subtle circuit traces, pinout desk mats, schematic stickers, and workbench mugs.
- ✓ Exclusive designs derived from SiliconPen circuit art
- ✓ Heavyweight premium cotton fabrics
- ✓ Global on-demand shipping with eco-friendly fulfillment
The SiliconPen Hardware Promise
Open-First Philosophy
You never have to buy hardware to learn. Every project is fully documented on the blog with open code, schematics, and interactive simulations.
Bench-Tested Rigor
Every finished unit is assembled, oscilloscope-checked, and flashed with test firmware before leaving the bench. No dud pins, no guesswork.
Direct-from-Maker Pricing
Fair, transparent pricing that directly funds components, research tools, and free educational writing for the electronics community.