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DIY-2 FM Radio Soldering Kit for Headphones 87–108 MHz Stereo Chip RDA5807 Four-Digit LED Display 5 Buttons Electronics Learning

DIY-2 FM Radio Soldering Kit for Headphones 87–108 MHz Stereo Chip RDA5807 Four-Digit LED Display 5 Buttons Electronics Learning

A set of all components for assembling a digital FM receiver with a display and buttons. A great project for practising soldering at school, in clubs, or at home. Full description
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€14.80
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Overview
DIY-2 FM Radio Soldering Kit for Headphones 87–108 MHz Stereo Chip RDA5807 Four-Digit LED Display 5 Buttons Electronics Learning

The DIY-2 FM radio soldering kit is a practical set for anyone who wants to learn to solder while understanding how a modern radio receiver works. Once assembled, it creates a small digital radio that receives stations in the range of 87–108 MHz and sends audio to headphones via a 3.5 mm connector. The reception is handled by the integrated circuit RDA5807MP, and the tuned frequency is displayed on a four-digit LED display. The board is marked as FM-STEREO, allowing you to listen to stereo broadcasts with headphones. The finished radio is powered by two AA batteries inserted into the included holder.

The printed circuit board measures 6 x 3.2 cm and has printed markings for the positions of individual components, making it clear where each component belongs during assembly. The radio is controlled using 5 buttons labelled POWER, PR-, PR+, V- and V+, which are used to turn it on, tune stations, and adjust the volume. All parts, including the display, connector, and battery holder, are included in the kit; you just need to prepare a soldering iron and solder.

  • Type – digital FM radio kit for soldering
  • Board designation – DIY-2 (DIP)
  • Frequency range – 87–108 MHz
  • Integrated circuits – RDA5807MP and AC1082
  • Display – four-digit seven-segment LED display
  • Control – 5 buttons POWER, PR-, PR+, V- and V+
  • Audio output – 3.5 mm headphone connector
  • Power supply – 2 AA batteries (not included)
  • Board size – 6 x 3.2 cm
  • Battery holder size – 5.8 x 3.2 x 1.39 cm
  • Package contents – DIY-2 printed circuit board, four-digit LED display, 2 integrated circuits, 5 buttons, 3.5 mm headphone connector, crystal, transistor, resistors, coils, ceramic and electrolytic capacitors, 2 screws, and holder for 2 AA batteries with wires

When building, it is advisable to proceed from the lowest components, starting with resistors and coils, through capacitors and transistors, to the buttons, connector, and display. For electrolytic capacitors, transistors, and integrated circuits, it is important to watch the correct orientation according to the markings on the board. A standard micro soldering iron with a fine tip, solder with flux, and small cutting pliers for shortening leads will suffice for the work. Protect the finished radio from moisture and remove the batteries from the holder during prolonged periods of non-use.

The DIY-2 FM radio kit combines fun and learning in one small project. It is suitable for students and pupils in technical fields, for electronics clubs, and for hobbyists who want to try building a receiver with a digital display. The result is a functional pocket radio powered by 2 AA batteries, which you can use with any headphones with a 3.5 mm connector. The kit also makes a suitable gift for anyone interested in electronics and soldering.

Price incl. VAT €14.80