BuildCool Pocket Guides
Bite-sized ESP32 guides built around the things you actually care about. Under 55 pages. Real projects. Working code. No filler.
Start here — it's free.
Guide #0 is a 19-page quick-start that gets your ESP32 running in under an hour. No experience needed. Download it free, no strings attached.
- ✓ Set up Arduino IDE in 5 minutes
- ✓ First program: WiFi-connected LED
- ✓ Troubleshooting cheatsheet
- ✓ Parts shopping list under $15
PDF. Instant. No signup. Seriously.
Pick Your Adventure
Each guide is built around one topic — zero fluff, just the projects you care about. Mix and match, or grab them all.
Light-up ornaments, animated LED trees, and a Santa tracker on your display.
Spooky motion sensors, screaming sound boxes, and haunted door triggers.
Secret message encoder, laser tripwire alarm, and a hidden mic transmitter.
Voice-triggered lights, energy monitor, and a one-touch scene controller.
Get All 10 Guides
The complete BuildCool Pocket Guide Series — every topic, every project, 426 pages total.
- ✓ All 10 guides (426 pages) in one download
- ✓ Every project with complete Arduino code
- ✓ Parts lists and wiring diagrams
- ✓ Free upgrades as new editions ship
- ✓ 30-day money back guarantee
- ✓ PDF — works on any device, no DRM
Early Access Edition
All guides are available now as early access PDFs — complete text, working code, and parts lists. The fully illustrated editions with wiring diagrams and step-by-step photos are coming in Q1 2027. Buy now at the early access price and get the illustrated upgrade free when it ships.