📡 DIY Radio Transmitter or Receiver: Build a Simple Broadcast or Listening Device

Ever wanted to broadcast your own radio signal? With this fully illustrated guide, you’ll learn how to build a working AM radio receiver and transmitter using easy-to-find components. No batteries required for the receiver — and you’ll be able to transmit music or speech up to 100 feet legally and safely.

Inside you’ll get:

✅ Step-by-step builds for both a crystal AM receiver and a low-power AM transmitter

✅ Full parts lists, diagrams, and beginner-friendly instructions

✅ Tips for improving range, signal clarity, and sound quality

✅ Substitutions, salvage options, and alternate circuit designs

✅ Creative use cases: pirate radio, DIY intercom, science fair, escape rooms

✅ Bonus: FM broadcasting basics, Morse code add-ons, and SDR exploration

Whether you're a curious beginner, teacher, hacker, or just love cool tech — this guide gives you everything you need to start broadcasting and receiving your own radio signals.

No license required. Just curiosity, wire, and a little imagination.