¶ FM Radio Kit
FM Radio Board Rev 3 - A solderless electronics kit for building custom FM radios.
¶ Overview
The UnderBaked FM Radio Kit is a solderless electronics kit designed for makers, hobbyists, students, and educators. The kit provides all of the electronic components required to build a fully functional FM radio while allowing builders to customize the enclosure and overall appearance using 3D printed parts.
All included components connect using JST connectors, eliminating the need for soldering during assembly.
Looking to build an existing project, checkout our Projects gallery.
¶ Key Features
- No soldering required
- Fully assembled FM radio PCB
- JST connector-based assembly
- Integrated volume and tuning controls
- Designed for custom 3D printed enclosures
- Suitable for beginners and experienced makers
- QR code for quick access to online documentation
- Open documentation, schematics, and CAD resources
¶ What's Included
Each FM Radio Kit includes:
- Fully assembled FM Radio PCB
- Antenna cable with JST connector
- Speaker with JST connector
- 3×AA battery holder with JST connector
- Power switch with JST connector
- LED indicator with JST connector
- Assorted mounting hardware
¶ What You'll Need
The following items are not included:
- 3× AA batteries
- Access to a 3D printer or printed enclosure components
- H2.5, PH1 and PH2 screwdrivers
- Adhesive glue for your chosen type of plastic
¶ Kit Components
Each major kit component has its own reference page:
¶ Designed For
The FM Radio Kit is intended for:
- Makers and hobbyists
- STEM and educational projects
- First-time electronics builders
- 3D printing enthusiasts
- Custom enclosure projects
Whether you are building a retro tabletop radio, a portable radio, or your own original design, the FM Radio Kit provides a simple platform to get started.
¶ Assembly At A Glance
Assembly is simple and requires no soldering:
- Connect the battery holder to the Power connector.
- Connect the speaker to the Speaker connector.
- Connect the antenna to the Antenna connector.
- Connect the switch to the Switch connector.
- Connect the LED indicator to either Aux connector.
- Install the assembly into your enclosure.
- Insert batteries and power on the radio.
- Adjust the tuning and volume controls.
For detailed instructions, see the Assembly Instructions.
¶ Resources
- Assembly Instructions
- Projects
- Tall Boy Project Guide
- Gallery
- Bill of Materials
- Safety Guidelines
- Troubleshooting
- Revision Notes
¶ Downloads
¶ Documentation
¶ Projects
The Projects section contains complete build guides showing different ways the FM Radio Kit can be incorporated into finished radio designs.
Start with the Tall Boy Project Guide for a step-by-step image-based enclosure assembly walkthrough.
¶ Gallery
The Gallery showcases community-submitted projects and custom builds created using the FM Radio Kit.
¶ Safety And Support
- Review the Safety Guidelines before use.
- Consult Troubleshooting if reception or audio performance is not as expected.
- Visit Support for assistance with assembly or operation.