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  1. bertus

    24VDC LED on 24VAC power source. Amateur questions.

    Hello, In a series circuit the order of parts does not matter. The resistor can be used on both sides. Bertus
  2. bertus

    24VDC LED on 24VAC power source. Amateur questions.

    Hello, As @Martaine2005 said, a bridge rectifier would do the trick. You have the flat ones and box ones. These are common pinouts for them: Bertus
  3. bertus

    Comedy Thread

    Thanks cmartinez AAC
  4. bertus

    what specific rf jammer do I need to jam or destroy the electronic board of Nevelda X4M300?

    Hello, Sorry, but we do not support jamming and certenly not destroying other peoples property. Bertus
  5. bertus

    Hep please - what resistor size.

    Hello, Have a look at the attached application note. Bertus
  6. bertus

    Hi I am trying to identify the following Transistor chip / Mosfet, it is by Onsemoe

    Hello, It could be a BCP53, found on this page: https://smd.yooneed.one/code4148.html Bertus
  7. bertus

    help ID IC used for dusk/dawn controller

    Hello, The LMC555 (the cmos version) will work from 1.5 Volts. Bertus
  8. bertus

    Oscillator to Generate DTMF tones

    Hello, Why do you need 14 different frequencies? The origenal DTMF only used 8 different frequencies. The DTMF frequencies are carefully choosen to have less interference between them. Bertus
  9. bertus

    Power supply for wireless speaker

    Hello, To find out what connections there are on the connector, you will have to open the panel. It looks like it is fastened with hex screws. There are probably some wires from the connector to the board. Bertus
  10. bertus

    Identify this resistor?

  11. bertus

    Trying to Trick my A/C Unit

    Hello, Please show some respect to our well known members. They are trying to help. Bertus
  12. bertus

    best squishmallow pillow

    https://www.google.com/search?as_st=y&tbm=isch&as_q=cow+squishmallow+pillow&as_epq&as_oq&as_eq&imgsz&imgar&imgc&imgcolor&imgtype&cr&as_sitesearch&safe=images&as_filetype&tbs
  13. bertus

    Battery Charging Circuit

    Hello, Also this microchip page might help: https://mu.microchip.com/battery-charging-fundamentals Bertus
  14. bertus

    Fixing an USB charger

    Hello, A fuse should show a very low value at the resistance measurement of the meter. Also the inductor should show a low value at the resistance measurement of the meter. Bertus
  15. bertus

    Fixing an USB charger

    Hello, Is the fuse next to the yellow capacitor OK? It is marked F1. Bertus
  16. bertus

    Badminton Scoreboard Build

    Hello, @TheresaHam , Do you realize this is an 5 years ol thread? I will close it now. Bertus
  17. bertus

    Radio

    Hello, I think you do not know the difference between inductors and resistors. Read the following pages: https://www.allaboutcircuits.com/textbook/direct-current/chpt-2/resistors/ https://www.allaboutcircuits.com/textbook/direct-current/chpt-15/inductors-and-calculus/ Bertus
  18. bertus

    What is this...no markings

    Hello, It is likely a ferrite core inductor: https://en.wikipedia.org/wiki/Inductor The value however is unknown. Bertus
  19. bertus

    And now something weird

    Earning money by doing "nothing":
  20. bertus

    Using a Mosfet to limit current to a high power Cree LED, Can't go higher than 400mAh??

    Hello, Why are you using mAh, wich is used for the capacity of a battery? A current is expressed as mA. Do you have a datasheet of the Cree XLamp you are trying to use? Bertus
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