Get the free PDF and learn how to build a secure, short-range 433 MHz garage opener with just a few simple components.
No app. No subscription. Just your garage – your rules.
✅ What’s inside the free PDF:
• 15-page illustrated DIY guide
• Complete component list
• Safety tips & setup checklist
• Works with ATtiny85 + Arduino Nano
🔓 Need code & wiring diagrams?
Get the Pro version for just 2.49 € (optional)
Includes:
• Ready-to-use .ino files (sender + receiver)
• Circuit diagram (.fzz + .png)
• Printable wiring cheatsheet
• Free lifetime updates (STL, verified parts list, more)
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SmartPrintWorks · www.smartprintworks.de