The RDA5807 87-108MHz FM Radio DIY Kit (HU-017ASW) is a wireless FM radio receiver kit with a 4-bit digital tube. It operates in the 87.0MHz-108.0MHz global FM receiving frequency band, making it suitable for use in any country or region. The kit provides two power supply modes, allowing users to use it at home or outdoors. It is a DIY electronic product that helps users understand circuits and improve their soldering skills.

Features:

• 87.0MHz-108.0MHz FM Radio: Built-in RDA5807 FM data processor with a standard FM receiving frequency band. The FM frequency can be adjusted using the F+ and F- buttons
• Adjustable Volume: Two volume adjustment methods – button and potentiometer. There are 15 volume levels
• Active & Passive Audio Output: The built-in 0.5W power amplifier drives 8ohm speakers directly. It also outputs audio signals to headsets or loudspeakers with AUX interfaces, allowing personal listening and sharing of FM audio
• Configured with a 25cm dedicated FM antenna and a 4-bit red digital tube for real-time display of FM radio frequency. The transparent acrylic shell protects the internal circuit board. It supports dual power supply methods – 5V USB and 3V battery
• DIY Hand Soldering: The kit comes with various components that must be installed manually. It helps exercise and improve soldering skills, making it suitable for electronics hobbyists, beginners, and educational purposes

Note:

• It is a wireless module. So do not use it in an environment with signal interference
• There are three SMD components so that you can place it on PCB and then fix by tin
• It is not recommended to connect USB power supply and AA battery at the same time
• Every time the power is turned on, the radio station and volume need to be readjusted
• The display screen will remain ON all the time after power ON

Installation Tips

The user needs to prepare the welding tool at first

• Soldering iron
• Rosin core (Flux)
• Wire cutters
• Wire strippers
• Philips screwdriver

Please be patient until the installation is complete

• The package is a DIY kit. It needs to be installed by the user
• The soldering iron can’t touch the components for a long time(1.0 second), otherwise, it will damage the components
• Pay attention to the positive and negative of the components
• Strictly prohibit short circuit
• The user must install the LED according to the specified rules. Otherwise, some LED will not light.
• Install complex components preferentially
• Make sure all components are in the right direction and the right place
• It is strongly recommended to read the installation manual before starting installation!!!
• Please wear anti-static gloves or anti-static wristbands when installing electronic components

Assemble video: Youtube