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  1. bertus

    Can I mix 3 different brands of electrolytic capacitors?

    Hello, There is no problem using an 63 V capacitor in stead of an 50 V type. The 63 V type will likely last longer as it has more headroom and is less stressed. Bertus
  2. bertus

    Questions DVD disc media

    Hello, Read the following pages: https://www.vice.com/en_us/article/mg9pdv/the-hidden-phenomenon-that-could-ruin-your-old-discs https://psap.library.illinois.edu/collection-id-guide/opticalmedia Bertus
  3. bertus

    Comedy Thread

  4. bertus

    Bush radio HELP!!

    Hello, As said, it could be that one of the buttons got stuck. Hitting the radio could have freed the stuck button. Bertus
  5. bertus

    Bush radio HELP!!

    Hello, As @shrtrnd said, the case might be closed with snap hooks. This page shows how they work: https://blogs.solidworks.com/tech/2015/03/fasten-your-design.html Bertus
  6. bertus

    Bush radio HELP!!

    Hello, Are there also no screws in the battery compartiment? I have seen that in other equipment. Bertus
  7. bertus

    Bush radio HELP!!

    Hello, It seems to be a DAB/FM radio. It is likely controlled by a microcontroller that is scanning the pushbuttons. Could it be that one of the pushbutons is stuck? You can upload pictures to the forum using the "Upload a File" button. Keep the filesize around 300Kb. Bertus
  8. bertus

    Proximity sensor

    Hello, Or you could shield the sensor from the sunlight as AlbertHall told you on AAC: Alternatively, you could put a small tube in front of the receiver so it can only see directly in front. Bertus
  9. bertus

    Questions conserve game console

    Hello, We have several times told you how to use the silica gell and the plastic bags. Bertus
  10. bertus

    Questions conserve game console

    Hello, Put the console in a plastic bag with the silicagel. Close the plastic bag (after you pressed out as many air as you can) with tape. Bertus
  11. bertus

    Help identifying correct component from uk.RS-online.com

    Hello, The 10D9 seems to be a NTC: http://www.datasheetcafe.com/ntc-10d9-datasheet-ntc-thermistor/ As for the pictures, upload them to the forum, using the "Upload a File" button. Keep the size at about 300 Kb and you will be fine. bertus
  12. bertus

    Aiwa Z-D8100M fails on equalizer display.

    Hello, Robot room has also a nice page how to see if a capacitor is bad: https://www.robotroom.com/Faulty-Capacitors-1.html Bertus
  13. bertus

    What do these numbers mean?

    Hello, The 12 (10A) is the TUV test. https://en.wikipedia.org/wiki/Technischer_%C3%9Cberwachungsverein The 10 A is the UL test. https://en.wikipedia.org/wiki/UL_(safety_organization) See the attached sheet for more info. The sheet was found here: http://www.phaseda.com/switch/KND2_rocker.htm...
  14. bertus

    What do these numbers mean?

    Hello, The IP-code is a measure for solid particle protection and liquid ingress protection: https://en.wikipedia.org/wiki/IP_Code The VAC is the maximum allowed AC voltage. The VDC is the maximum allowed DC voltage. Also the maximum allowed current is given for VAC and VDC. Bertus
  15. bertus

    Questions store correctly hand held game console portable

    Hello, You already have a threads for this: Questions conserve store electronic portatil Questions conserve game console Bertus
  16. bertus

    Circuit review

    Hello, I think that a LM7805 will not drop the voltage as wanted. It needs even 1 Volt difference at 0 mA and 1.5 Volts at 20 mA: Better use a LD1117-50, that will have a voltage drop of 1 volt at 100 mA. Also put the motor direct on the battery. This will save you from a voltage drop when...
  17. bertus

    How to clean oxidized USB plug?

    Hello, If you want a bit more harsh method, you could have a look at a glassfiber pencil: https://www.amazon.co.uk/Fibreglass-Abrasive-Cleaning-Pencil-Refills/dp/B003YSWJDG Bertus
  18. bertus

    Circuit review

    Hello, This page will show you how to trigger a NE555: https://learnabout-electronics.org/Oscillators/osc45.php Bertus
  19. bertus

    Multimeter DT9205A problem

    Hello, If you want to discuss this subject, open a new thread. You can link to this thread for reference. As said, keep all conversations in English. Bertus
  20. bertus

    Circuit review

    Hello, The circuit will not work. Pin 2 is always connected to ground. To trigger the 555 you will need a low going signal: Bertus
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