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  1. bertus

    Electrocompaniet EMC 1UP won't recognize disc

    Hello, Is the disk being pressed against the motor? When the top disk is not pressed enough, the cd will slip. Bertus
  2. bertus

    I want to know all of the maths concerning this scissor mechanism!

    Hello, Most times the drive point is at an other location as yours. Have a look at the attached pdf. Bertus
  3. bertus

    Bench Function Generator and Speakers

    Hello, The tone generator will likely have a 50 ohms output impedance. It likely will not be able to drive a speaker directly. Depending on the needed power, you will need a power amplifier. The lm386 can only deliver about 1 Watt. There are more powerfull amplifiers around. The lm1875 is even...
  4. bertus

    Circuito integrado

    Hello, @73's de Edd , please keep all posts in english. @Electro030929 , please use only english over here. Even a googletranslation can help. Bertus
  5. bertus

    I want to ask a few questions. Can I control a 380 DC motor using Arduino with a driver card? And I want to ask another question. Can I calculate the

    Hello, Do you want to play music on the motor? Here are some stepper motor sounds on youtube: https://m.youtube.com/playlist?list=PLkY8-UOMZQ0_S1d5x9e6bpIRV-4yxKlLx Bertus
  6. bertus

    Hello, I want to reduce 12 volts to 7 volts, how many ohms do I need using a resistor?

    Hello, Is it a fixed load, or can it vary like an amplifier. You can use a voltage regulator to have a steady voltage. Bertus
  7. bertus

    Blown amplifier part.

    Hello, You could try to powerup without the capacitor for a moment. That way you can see what the rest is doing. Of course you must replace the capacitor after the test. Bertus
  8. bertus

    Blown amplifier part.

    Hello, The fuse holder is likely something like in the link: https://nl.farnell.com/en-NL/schurter/0031-3901/fuse-holder-5x20mm-panel-mount/dp/1651784 Just put a screwdriver in the slot, put a bit of pressure on the screwdriver and turn it about 1/4 turn. Release the screwdriver and the insert...
  9. bertus

    Comedy Thread

  10. bertus

    Blown amplifier part.

    Hello, I think you can use a X2 capacitor in place of the X3 capacitor. The X2 has better specifications. See this page for more info: https://www.allaboutcircuits.com/technical-articles/safety-capacitor-class-x-and-class-y-capacitors/ Bertus
  11. bertus

    Toaster PCB Repair

    Hello, Did you measure R5 in circuit? It can be that other components cause the low reading. Bertus
  12. bertus

    Interlogix NX8v2 Control Panel - Fire Zone Alarming Nonstop After Factory Reset

    Hello, Thanks for giving the update. Bertus
  13. bertus

    How do I setup a signal jammer and a antenna signal amplifier

    Hello, Jamming is one of the unwanted topics on this site. I will close the thread now. Bertus
  14. bertus

    Sharp 173 Photointerrupter

    Hello, In the datasheet there are tests done with resistors of 4.7 and 10K. With the 1K i mentioned the current will stay below the maximum allowed of 8 mA. Bertus
  15. bertus

    Sharp 173 Photointerrupter

    Hello, The interuptor has an open collector output. It will need a resistor between out and vcc to show a signal. Try an 1K resistor and see what happens. Bertus
  16. bertus

    revolving platform

    Hello, As I see it, the slipring will not fit on the shaft. The hole in the slipring is 5 mm and the shaft is 7 mm. Bertus
  17. bertus

    Interlogix NX8v2 Control Panel - Fire Zone Alarming Nonstop After Factory Reset

    Hello, Perhaps our member @ChosunOne knows your alarm system. Bertus
  18. bertus

    Looking for Datasheet on old Texas Instruments strobed Digital Clock Chip, M35020

    Hello, This is an old thread that I will close. For old databooks have a look at the bitsavers website: https://bitsavers.org/components/ Bertus
  19. bertus

    RCA 45J Problem

    Hello, Does this help? Bertus
  20. bertus

    Electro magnet, camera flash or induction, need help please..

    Hello, It sounds like a coilgun. You will not get support for that over here. Bertus
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