FM Radio Assembly Kit

Name: FM Radio Assembly Kit
Brand: The Science Hut
SKU: 14:10#Kit with shell
Price: 29.95 USD
Availability: InStock

Build a real working FM radio — anyone can do it!
✔ Learn real electronics skills.
✔ Clear step-by-step instructions.
✔ Working FM radio when complete.
✔ Ideal project for electronics hobbyists.
✔ SMD components for added challenge.
✔ Great STEM gift for teens & adults.
✔ Basic tools needed (soldering iron & wire).
✔ Assembly time, 3-6 hours.

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Build your own FM radio from scratch!

Then sit back and enjoy your favourite FM radio shows and music!

This hands-on DIY FM Radio Kit is a great way to have fun and learn about electronics. Solder each part, connect every wire, and watch your creation come to life as it tunes in real stations with crisp, clear sound. Perfect for anyone that enjoys building things, from teens to age 65+.

With a digital display, quality sound, and the choice of battery or USB power, this project is as rewarding to build as it is to use. This kit make a great gift for any age, from curious teens to seasoned radio enthusiasts — and it's a perfect way to learn STEM skills while having fun. The kit contains a very wide variety of components making it an excellent project for anyone seeking to take their soldering skills up a level. It also makes a fantastic weekend project to do with the kids.

Amaze your friends when you tell them you built it yourself! Find out more about this kit in the dropdown sections below.

What's Included?

Includes all components required to build your own FM radio:

Printed Circuit Board (PCB)
STC15W404AS microcontroller
RDA5807 FM receiver module
TDA2822 audio amplifier IC
74HC595D shift register
AMS1117-3.3V voltage converter
4-digit digital display
0.5W 8Ω Speaker
200KΩ potentiometer
Transistors
- S8550 ×4
IC sockets
- DIP-28
- DIP-8
Metal film resistors
- 10KΩ ×5
- 1KΩ ×5
- 510Ω ×8
Ceramic capacitors
- 0.1 μF ×4
Electrolytic capacitors
- 1 μF/50V ×1
- 100 μF/16V ×4
AUX audio socket (3.5 mm)
SMD micro USB socket
USB power wire
SK12D07VG4 Toggle switch
AA battery box
3 mm Red LED
Red/black wire set
Push buttons + caps ×4
Antenna (extends 7.5–25 cm)
Acrylic case and fixtures

Learning Outcomes and Benefits

See radio technology in action: learn how FM signals are captured, processed, and amplified into sound you can hear.

Master a variety of components: work with resistors, capacitors, transistors, integrated circuits, and LEDs, gaining hands-on familiarity with what each does.

Advance your soldering skills: tackle both through-hole and surface-mounted components, learning the techniques and precision needed for professional-level assembly. This is especially important since many electronics today (such as mobile phones and gaming systems) use micro-IC's, such as the SMD shift register included in this kit—building this kit will give you some experience in working with these small chips.

Strengthen problem-solving abilities: follow a detailed build process, troubleshoot connections, and see how each decision affects the final result.

Develop real-world electronics skills: the same principles used in building this DIY FM radio kit apply to audio gear, communications devices, and countless modern technologies.

Boost focus and patience: the kit encourages methodical, step-by-step thinking, which is valuable in any STEM field.

Enjoy the pride of a working creation: when you finish, you’ll have a functional FM radio you can use daily, showing off your skills to friends and family.

Frequently Asked Questions (FAQ)

Q: What skill level is this kit best for?
A: It’s ideal for intermediate to advanced builders; however, even a beginner can build it by following our detailed step-by-step instruction manual; just take your time with the smaller SMD components. The mix of through-hole and surface-mount parts makes it a great project for anyone ready to move beyond basic soldering projects. For younger builders, some help from an adult is recommended—great activity for parent-child bonding time!

Q: Does it require soldering?
A: Yes. This is a soldering project that involves attaching a variety of components to the PCB. A fine-tipped soldering iron is recommended for the surface-mount parts. Refer to the Tools and Materials Required section for more info.

Q: How is it powered?
A: You can power the radio using the USB cable (included) connected to a 5V power supply (such as a phone charger or a USB power bank) or with 2 × AA batteries.

Q: What FM stations can it pick up?
A: It can tune across the whole standard range of FM frequencies (87–108 MHz). Reception depends on your location, antenna position, and surrounding interference. The set frequency is displayed to one decimal place on the digital display screen.

Q: What is the reception and sound quality like?
A: Reception: Good across strong to moderate FM stations; the RDA5807 chip is sensitive and stable. Expect all local stations to lock in clearly using the supplied telescopic antenna.

Audio Output: Crisp and clear for a small 0.5 W speaker. Louder listening (or bass-heavy music) might benefit from an external speaker or headphones via the AUX jack. The chip includes noise elimination, has high sensitivity, and a strong anti-interference ability. The circuit includes a potentiometer that you can adjust to fine tune the audio output to stay within the capabilities of the speaker.

Q: Does the FM radio auto-tune to stations?
A: Yes, just press and hold the F+ or F- buttons and the radio will automatically seek the next available FM radio station and then lock onto that frequency—no 'fine-tuning' needed, the FM radio chip does it all!

Q: Is this safe for children?
A: Recommended for ages 12+. Young builders should have adult supervision, especially when using a soldering iron.

Product Specifications

Dimensions (approx., when completed):

Length: 11.0 cm
Depth (including buttons and battery box): 3.5 cm
Height: 7.1 cm
Antennae length: adjustable from 7.5 to 25 cm

Frequency range: Includes the entire FM range from 87.1 MHz to 108.0 MHz (adjustable in increments of 0.1 MHz).

Output power: 0.5W (or use headphones via the included AUX jack for enhanced listening).

PCB Type: combination of SMD and through-hole components.

Case material: clear acrylic with steel fixtures.

Power Supply: Includes a battery compartment for 2 x AA batteries (not included) or USB cable (included).

Assembly and Usage Info

Anyone can build this FM radio following our detailed step-by-step instruction manual which can be downloaded from the link below. The password to open the manual was sent to the same email that you placed your order from. Can't find it? Just Contact Us!

Download: FM Radio Assembly Kit Instruction Manual

Note: The manual requires a password. This was emailed to you after your order was processed. Didn't buy your kit from The Science Hut? You can purchase our manuals by clicking [HERE].

Skill Level: Intermediate to advanced
Age Rating: 12+ (adult supervision required for under 16's)
Assembly Time: Typically 3-6 hours

Tools and Materials Required

Tools required for this kit

Soldering iron
Solder wire

We sell these items as a Bundle which saves 10 percent or we have an excellent Electronics Soldering Kit that includes these tools and more—an excellent beginners tool kit! Just click the links above to see these products.

Of course, you only need to buy the tools once; you'll use them again and again for your future electronics projects!

GET THE TOOLS FREE!!!

Our Electronics Kit Bundles include tools completely FREE...

Click to view Bundles

Links and References

Our blogs & videos related to electronics kits:

Ultimate Guide to Electronics Kits

STEM Electronics as a Hobby

Youtube video: Tools, tips and tricks for soldering electronics kits

Other Useful References:

How Radio Works

Shipping and Warranty Info

Shipping Information

Orders are processed for dispatch within 1–2 business days. Shipping timelines remain unaffected by the current Middle East conflict. All orders are being processed and delivered as normal. Typical delivery times following dispatch for this product, depending on region are:

US: 5-10 days
UK: 5-8 days
EU: 6-13 days
Canada: 7-14 days
Australia: 7-14 days

All orders are shipped with tracking, where available. Please refer to our Shipping Policy page for further detail.

Warranty & Satisfaction Guarantee

All electronics kits come with a 14-day satisfaction guarantee. If you're not happy with your purchase, contact us and we’ll arrange a refund or replacement — no hassle. Please note that to qualify for a replacement or refund, kits must be in their original, unused condition. Please refer to our Returns and Refunds policy for more information.

Packaging

We aim to minimize waste while protecting your order. All electronic kits are securely packaged in padded mailing bags containing anti-static ESD bags and/or rigid plastic boxes (depending on the product) to ensure the safety of the electronic components. An example of electronics kit packaging can be viewed HERE. If you're purchasing this item as a gift and would rather that it was in a box, we also sell quality gift boxes at the following link: Quality Gift boxes.

Ships from: International Warehouse

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FM Radio kit

I really enjoyed assembling this kit. It tested my soldering skills with some components being rather small. The directions are very well written and the accompanying pictures nice and detailed. The radio turned out great. But what impressed me the most was customer support. I had a small hardware issue and they responded quickly to resolve the problem. You will be hard pressed to find a better company to buy from.

Hello Bryan, thank you so much for your very kind review, we really appreciate it! We're always happy to assist when things go wrong, nothing pleases us more than when our recommendations for troubleshooting help a customer resolve issues with their projects. Delighted you got there in the end, and well done on successfully completing the FM radio kit; it certainly is one of the more challenging builds!

Fun kit, but very challenging

This turned out to be much harder than it looked. The pieces are small and if you make a mistake, it's basically impossible to use solder wick to correct it. Otherwise, it's a great kit!

Hello Robert, thank you for taking the time to review your kit, we really appreciate it. We do rate this kit on the product page as 'Intermediate to Advanced' for the reasons you outline. Definitely presents more of a challenge than many other kits we sell. I trust you got there in the end and have a working FM radio, but if you haven't managed to successfully assemble it yet, feel free to contact us on info@thesciencehut.com and we'll be happy to provide technical support to help you complete the assembly.

Great project

My student and I really enjoyed the radio project. His was Soo proud when it turned on and could tune it in. I am going to buy another one.

Hello Ryan, thank you so much for taking the time to review your kit, we really appreciate it! Delighted to hear you had success in building it, it's not the easiest kit to get right first time, and we're pleased to hear you're making use of the kits in teaching your student—the best form of education is practical education, learning by doing, so kudos to you for that!

Doesn't recall last station used.

Radio works but, always goes back to 102. something frequency after radio is turned off. In other words, it doesn't remember the last station you were using, kind of anoying that you must retune to your favorite FM station.

Hello D Jones, thank you for taking the time to review this product. We really appreciate it. We acknowledge that it doesn't have a channel save/store feature and it is something that we're considering for a next generation of this kit. You probably have already figured it out from the instruction manual, but just in case not, remember you only need to press and hold the seek button and the radio will automatically tune to the next available broadcast, so you can easily scan through the entire FM range within a short period of time. But we do agreee, have set and saved channels that you could just select would be better, but it requires a major overhaul of the existing circuit, power system and programming logic—essentially a whole product redesign.

Built with my grandson.

A little smaller than I envisaged.
We found the smd components very challenging and unfortunately damaged a micro chip. Contacted the company and was able to get a replacement, which was dealt with very promptly.
A good company to deal with!

Hello, thank you very much for taking the time to leave this review, we really appreciate it. Delighted to hear you brought your grandson in on the experience, a lovely way to spend quality time with kids! The FM radio kit is indeed one of the more challenging ones thanks to those small SMD chips. Glad to hear you got there in the end with the replacement part and we really appreciate your positive endorsement of our customer service.

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