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4.85 out of 5
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Reviews only from your country (Viet Nam)
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  • 26/10/2020

    This is a nice little kit and when built, it works well! The lack of instructions was not a problem for me, but might be to someone new to constructing electronic devices. I have taken some pictures of the finished board and have posted them here to help others out. One thing is not made clear on the board, when fitting the electrolytic capacitor within the large IC socket, make sure you allow enough wire to bend it down flat or you will not get the chip in the socket later! Observe the correct polarity on the capacitors, the side of each will show a white stripe with a negative (minus) sign. In each case, this must go on the shaded side of the circular marked connection position. The separate IC on its own mini-board in the centre is fiddly and may need some extra heat to get the solder to flow up to the connections properly. This is not a problem as this heat will not necessarily reach the chip in the centre. Line it up so the crystal on the edge matches the diagram on the board. Fit all the small, low components first (the resistors mainly) or it will be fiddly and difficult to fit them later amongst the larger pieces. There are no components on the reverse of the board but it's better to wire the speaker cable below the board because it ends up behind the circuit anyway. The connections to the screen are straightforward. The strip of connectors they supply may be longer than needed so just snap off the extra. In fact, there were several extra components in the kit I received. If you have a few left over, don't worry that you've missed something! I had to supply my own nut and bolt to fit the antenna; not a huge problem. There's nothing else really. I hope that helps. Have fun. Stephen.

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  • 13/09/2020

    Took about 5 hours to assemble without instructions. It is obvious where the components go. I took my time. Make sure you bend the capacitors that will be underneath the micro so they won't interfere with the micro. Device receives local FM radio stations very clearly on upstairs of house. There is a little static when used downstairs of house. It seems like the screws for assembling the acrylic case could have been a little longer. Also, the one mistake that I know I made was to attach the speaker wires on the front of the PCB. If you attach the speakers on the back of the PCB, you'll have less issues with the wires interfering with the acrylic case. This is essentially a solder practice kit since, once assembled, there is little you can modify without a lot more knowledge of the programming. It was fun to assemble. The buttons control the following (going from left to right): power, volume (up), volume (down), channel seek (up), channel seek (down), LED control. It seems that if this is stereo FM, like the LCD says, it should have come with 2 speakers. I like the fact that it operates off of 5 V. It looks like it consumes about 80 mA at 5 V (according to my USB meter) when everything is operating.

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  • 08/04/2021

    ultimate diy fun. working perfectly. this is new version of diy fm radio kit and it's really improved and better in the quality..I highly recommended this kit for everyone

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  • 20/06/2021

    EXCELLENT An insulating washer must be placed in one of the holes (indicated in the image), since when the screw is placed it will short-circuit the conductors of the PCB. REGARDS!

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  • 04/11/2020

    Never thought that it could be so easy to build without any instructions. One resistor was missing but instead it had 2 op amps. Can't claim o lost in that one. Suprisingly good tone too. And at least here in Finlad, most radio stations were found easily. For this money, excellent deal.

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  • 29/06/2021

    The radio is powered from a 5 V USB mains power supply which is not supplied. Included is a power cable from USB-A to standard 5.5 x 2.1 mm power plug. Dominant on the front panel is the display. It shows '==STEREO RADIO==', but that does not make sense, as the radio has only one built-in speaker and is therefore mono. Above the display is a row of ten LEDs. These form a double LED VU-meter, controlled by two KA2284 chips. Below the display, there are two large red push button switches and four small black push buttons. The left red switch turns the radio on or off. Irritating is that the last settings are not stored in the memory. The radio will always start up at the lowest frequency in the FM band that gives an acceptable signal and with the volume set to 8.

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  • 24/09/2020

    This DIY FM radio using the TDA5807 and LCD display has a much cleaner sound than the designs using the TEA5767. It does have digital controls for the volume where the lowest level, 0, is still audible. Like other FM kits, it only stops when it scans and detects a strong signal, so weaker stations may be missed. Increasing the volume allows the lights across the top to light up, and if sufficiently loud, the centre ones will start to change colour (curious when the installed LEDs are just two pins). Some written directions might have been helpful. To help secure the antenna, which was threaded, I used a M2x8mm bolt. The three lengths of bolts was a little confusing about where they should be used. In some places, I actually replaced the metal bolts with M3 x 12 mm nylon bolts. A headphone jack might be a nice addition.

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  • 15/07/2021

    nice FM radio kit wel works perfect

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  • 22/09/2021

    Amazing DIY kit, all components are correct with some spares parts. Sound quality is loud and clear. The only downside is that it can't retain the last radio channel once power off.

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  • 21/09/2021

    It's a good job, I recommend it. It's a good job, but when you turn it up too loud, the sound gets a little upset.

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