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Recent content by tgotwalt1158

  1. tgotwalt1158

    Oil level sensor: ultrasonic, ir or other?

    Good suggestion! elvan121 please take it seriously, since safety comes first in all aspects.
  2. tgotwalt1158

    Oil level sensor: ultrasonic, ir or other?

    The least expensive method is a pressure transmitter installed in a tee just below the tank (likely in the drain valve connection) that reads in Inches, Water Gage. You just have to post a conversion chart telling volume in gallons/liters whatever relative to the gage output. OR- if you have a...
  3. tgotwalt1158

    Computer motherboard problem

    Hi Peter! sad to hear that you could not get it right. Anyway, chip level repair work on these days' computers is left for specialzed labs only due to the use of SMD components, which I think would not be so easily available and will be not so cheap. If you are sure that its due to a faulty...
  4. tgotwalt1158

    Computer motherboard problem

    Hi Peter! you must tackle the problem step by step to isolate the cause of failure. First, confirm that it is computer, monitor or VGA cable problem. If monitor and VGA cable turns out to be ok, then it may be computer itself. Then check everything as mentioned by tpetar and rfredel. But...
  5. tgotwalt1158

    Oil level sensor: ultrasonic, ir or other?

    Sorry I was working on several posts this is why mixup occured, the correct sensor is : models Sonix-50 and Sonix-60, and the link is : **broken link removed**
  6. tgotwalt1158

    Oil level sensor: ultrasonic, ir or other?

    check now, I have edited the link!
  7. tgotwalt1158

    Oil level sensor: ultrasonic, ir or other?

    The air bubbler may be used but it will complicate the task e.g. provision of air source, a gauge for back pressure measurement, the tank height length piping for bubbler, all adding to the net cost of the system, even then how you would get the output to connect to the computer. If safety is...
  8. tgotwalt1158

    Oil level sensor: ultrasonic, ir or other?

    The premise of question suggests that the post author is looking for a simple solution for a simple purpose. Your suggestions are good for a very critical fuel tank which involve temperature fluctuations causing the offset of basic parameters, but let us leave that for the rocket scientists...
  9. tgotwalt1158

    Why is it that Linux is command based and Windows is GUI based

    It seems my last reply did not leave any impression upon my friends, specially the post starter. Anyway, if we analyze more specifically, it may be said that during three layers of processing that is user, supervisor and hypervisor lies the answer as follows : For example for windows, 1)...
  10. tgotwalt1158

    Oil level sensor: ultrasonic, ir or other?

    You will need a gauge pressure transmitter, the pressure inlet of that will be connected to the base of the tank. The transmitter will give an output of current 4 to 20 mA corresponding to the pressure head of the oil in tank, which in turn you could calibrate in terms of litre, gallon , cubic...
  11. tgotwalt1158

    Partailly working Satellite Receiver.

    Partially working Satellite Receiver. Dear friends! I need a circuit diagram/repair manual of NHE SDR-2400M Plus satellite receiver. Also, any tip to repair whereas the fault is that there is no signal indication when trying to tune the channels, apart from that receiver is fully functional...
  12. tgotwalt1158

    Why is it that Linux is command based and Windows is GUI based

    All operating systems are command based in their core since they are developed with computer languages which may be of higher or lower level but all ultimately communicate the processor in machine language. So, it may be realized that everything is coding, therefore the success of an operating...
  13. tgotwalt1158

    Looking for Data sheet for SMD with code s2A

    Thanks pjmelect! this may be useful, however I have already found out this to be a PNP transistor by in circuit transistor tester but still not sure about its pin configuration. In SOT-23, one pin is up while two are down, but which one is collector, emitter and base, I could not find on net...
  14. tgotwalt1158

    Looking for Data sheet for SMD with code s2A

    Hi there! If any body could provide details about this SMD component which is most probably transistor, and being used in NHE Satellite Receiver : SDR-2400 m Plus 2M, I shall be much obliged. The code on the device is s 2A (and vertically written 3D). Thanks.
  15. tgotwalt1158

    help identifying SMD transistor like devices

    I saw your request lately but in case if you are still looking for, you may find this useful : BS BCW61DR Phi R SOT23 BCY78-x BS BZX399C22 Phi I SOD323 22V 0.3W zener BS 2PB709AS Phi N SC-59 pnp 45V 0.1A hfe 290-460 BQ BZX399C18 Phi I SOD323 18V 0.3W zener in SOD323 BQ 2PB709AQ Phi N SC-59 PNP...

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