FM Radio Kit HU-017B without Case RDA5807 87-108 MHz Four-Digit LED Display Memory for 30 Stations Soldering Kit for Electronics Education
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The FM Radio Kit HU-017B is a soldering kit for assembling your own radio receiver with a digital display. This version is supplied without a case, so the finished radio remains as an open board with all components visible. The receiver uses the RDA5807 module with noise suppression, bass enhancement, and high sensitivity, and it receives the 87-108 MHz band. The tuned station and signal strength are displayed on a four-digit LED display. The kit is suitable for electronics education in schools, clubs, and for independent hobbyists.
Upon switching on, the radio automatically searches for nearby stations and saves them to memory, which is retained after power off. The memory can hold up to 30 stations. Four buttons are used to control the volume and switch stations, with a long press allowing for smooth volume adjustment or initiating a search. There are 15 volume levels available and adjustable search sensitivity to capture weaker signals. Sound is played through the included speaker, and a 3.5 mm connector is available for headphones or an external speaker. The power-saving mode conserves energy when powered by batteries.
- Model – HU-017B with RDA5807 module
- Receiving Band – FM 87-108 MHz
- Display – four-digit seven-segment LED display
- Station Memory – up to 30 stations with automatic search and save
- Volume – 15 levels with potentiometer adjustment
- Audio Output – speaker and 3.5 mm headphone jack
- Power Supply – from batteries in holder or via USB cable
- Maximum Current – approximately 250 mA at full volume
- Antena – telescopic with a length of 84 mm and extension up to 262 mm
- Board Dimensions – 9.55 x 5.9 cm
- Design – without case
- Package Contents – purple PCB HU-017B, RDA5807 module, STC microcontroller, TDA2822 amplifier, AMS1117 voltage regulator, four-digit LED display, speaker, telescopic antenna, IC socket, potentiometer, 3.5 mm audio connector, USB connector, slide switch, 4 buttons with caps, red LED, resistors and capacitors, red-black wire, M2 screw with nut, USB power cable, and battery holder
Components are placed on the board with clear labels and are soldered using a standard soldering iron, which is not included in the kit. Integrated circuits are inserted into sockets, preventing damage from heat during soldering. As the board has no cover, place the finished radio on a dry, non-conductive surface and protect it from moisture and metallic objects.
The HU-017B version without a case is suitable for those who want to keep the electronics accessible, measure on it, or later make their own case. Once assembled, a functional FM radio with LED display, station memory, and speaker is created. The construction teaches board orientation, proper soldering, and working with integrated circuits. The kit serves as an educational tool, a gift for a young electronics enthusiast, or a fun project for a free afternoon. It can be powered via USB cable or from batteries.
Delivery
Delivery to address€1.99
Estimated delivery: 23 November – 4 December
Shipped from China
You only pay for delivery once per order, whatever its size.
We will email you the tracking number as soon as the seller makes it available.
Delivery is only possible to addresses in Ireland.
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Returns and Exchanges
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Returns30 days to return without giving a reason
Withdrawal period30 days from receipt of the goods
Deadline to send the goods backWithin 14 days of withdrawing from the contract
Return shipping costsYou pay the postage for sending the goods back to Spain. With An Post (Standard Post), returning a parcel of up to 2 kg to Spain costs about €30. We charge no other fee.
RefundWithin 14 days of your notice of withdrawal, using the same payment method you used for the purchase. If you return the whole order, we will also refund the delivery cost.
Crediting of the amountUsually 2–10 working days, depending on the payment method
Product conditionYou may unpack the goods and try them as you would in a shop, and you can return them even without the original packaging
Returns addressQX-BOX AEMALL RETURN
Rotonda Rene Descartes, Parcela 101 – Nave 3
28070 Alcala de Henares, Madrid
SpainReturns centre in Spain operated by Qxbox, an e-commerce logistics provider and logistics partner of the sellers on our platform.
How do I return goods?
- Email us at info@lunzo.ie with your order number and the items you are returning.
- Pack the goods and send them by post to the returns address in Spain.
- Send us the proof of dispatch with the tracking number – this lets us refund you without waiting for the parcel to arrive.
Faulty goodsUp to 6 years to claim for faulty goods
Did the goods arrive damaged, do they not work, is something missing from the parcel or do they not match the description? We will sort it out.
Period for claiming a faultUp to six years from delivery of the goods
RefundWithout undue delay once the claim has been settled, using the same payment method you used for the purchase
How does it work?
- Email us at info@lunzo.ie with your order number and a description of the problem, and attach photographs or a video.
- We will assess it and suggest a solution. Photographs are usually enough – please do not send the goods back until you have received instructions from us.
- We will settle your claim within 30 days at the latest – with a new item, a price reduction or a refund.
If the goods need to be sent back, we will refund the postage for a valid claim (just provide the receipt).
ExchangesA different size, colour or variant
Write to us within 30 days of receipt at info@lunzo.ie with your order number and the variant you are interested in. We usually reply within 24 hours.
If the variant is available, we will send you instructions for the exchange. You pay the cost of sending the original item back; the new variant will be sent to you at no further charge.
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About the seller
This product is sold and shipped by an external seller. LUNZO guarantees you a safe purchase: online payments go through a secure payment gateway, and you handle your order, returns and complaints with us.
The following information has been provided by the product seller, who is responsible for its accuracy. The seller acts as a trader.
Seller:
Yongkang Yongchang Electric Tools Co., Ltd
Address: West side, 3rd Floor, No 27, Zerong Road, Dahou Village, Tangxian Town, Jinhua City, Zhejiang, China
E-mail: 297288217@qq.com
Telephone: +86 135 6007 1153
Manufacturer:
Yongkang Yongchang Electric Tools Co., Ltd
Address: West side, 3rd Floor, No 27, Zerong Road, Dahou Village, Tangxian Town, Jinhua City, Zhejiang, China
E-mail: 297288217@qq.com
Telephone: +86 135 6007 1153
EU responsible person:
EU Consulten Srls
Address: Via Varesina 55, 20156 Milano, Italy
E-mail: Eu-consultenSrls@hotmail.com
Telephone: +39 328 583 2654
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