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FM Radio Construction Kit for Soldering RDA5807 87–108 MHz LED Display and 5 Buttons Black Panels USB-C Power or 2x AA Electronics Learning

FM Radio Construction Kit for Soldering RDA5807 87–108 MHz LED Display and 5 Buttons Black Panels USB-C Power or 2x AA Electronics Learning

Build your own FM receiver with a frequency LED display, volume control, and headphone output. An ideal project for practising soldering and learning. Full description
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€30.96
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Overview
FM Radio Construction Kit for Soldering RDA5807 87–108 MHz LED Display and 5 Buttons Black Panels USB-C Power or 2x AA Electronics Learning

This FM radio construction kit is designed for anyone who wants to learn to solder while seeing how a real radio receiver works. The heart of the circuit is the receiver with the RDA5807 chip, which captures stations in the 87–108 MHz band. The tuned frequency is displayed on a four-digit red LED display, so you immediately know which station you are listening to. The components are supplied loose, and you can assemble the entire radio at your own pace. The result is a functional receiver that, once completed, serves as a small tabletop radio.

The radio is controlled by five buttons. The M button switches modes and mutes the sound, the pair F− and F+ tunes the frequency and searches for stations, and the pair V− and V+ adjusts the volume. Additionally, the volume can be fine-tuned with an analogue potentiometer. You can power the kit from USB-C 5 V or two AA batteries, which are not included. The sound is provided by a built-in speaker 8 Ω with a power of 0.5 W, and you can connect headphones or external speakers to the 3.5 mm jack.

  • Type – FM radio construction kit for soldering
  • Radio chip – RDA5807
  • Frequency range – 87–108 MHz
  • Display – four-digit red LED display with frequency indicator
  • Control – 5 buttons (mode and mute, tuning, volume) and an analogue volume potentiometer
  • Power supply – USB-C 5 V or 2 AA batteries 3 V (batteries not included)
  • Speaker – 8 Ω, 0.5 W
  • Output – 3.5 mm jack for headphones or speakers
  • Antena – telescopic rotating, length 84 mm, extending up to 255 mm
  • Additional features – power switch and power indicator
  • Dimensions when assembled – 90 x 60 x 26 mm
  • Colour – black
  • Contents of the package – main printed circuit board, front panel with frequency curve graphic, back panel with speaker holes, four-digit LED display, integrated circuits, 5 buttons with blue caps, potentiometer, resistors, capacitors, LED, 3.5 mm jack, switch, speaker, holder for 2 AA batteries, telescopic antenna, spacers and screws (components need to be soldered)

The radio is composed of three layers. The main board with electronics is stored between the front panel with a window for the display and the back panel with perforation for the speaker and space for the battery holder. The panels are held together by spacers with screws, making the finished device appear compact and protecting the electronics. When assembling, start with the lowest components, such as resistors, and only then solder the higher parts, connectors, and display. Keep the finished radio dry and remove the batteries if not used for an extended period.

The kit is suitable for school electronics clubs, technology classes, and for home DIY enthusiasts who want to try working with a soldering iron on a meaningful project. During the build, you will become familiar with common electronic components, PCB assembly, and the principle of receiving radio signals. The finished receiver, measuring 90 x 60 x 26 mm, takes up little space on the table and, thanks to USB-C power, can be easily connected to a charger or power bank. It is a practical gift for students and budding electronics enthusiasts who will appreciate that the result of their work is a fully functioning radio.

Price incl. VAT €30.96