Martaine2005
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Martaine2005 replied to the thread LED TESTER c4 value.C4 is a 25V 470uF capacitor. Hope that helps. -
Martaine2005 reacted to Delta Prime's post in the thread Suitable replacement for a large Siemens capacitor in an old IBM XT power supply with
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The printed nominal capacitance value, is not the actual value capacitance and will vary depending on circuit frequency. As long as... -
The key parameter that you need is the position of the train: "...when a train enters & leaves an area", An RF-ID will NOT accomplish...
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Martaine2005 reacted to bertus's post in the thread Suitable replacement for a large Siemens capacitor in an old IBM XT power supply with Like.
Hello, The datasheet i posted shows wich pin is positive and wich pins are negative. Even an axial capacitor would be possible to use...
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Multitasking is a pretentious word for doing a lot of things halfway.
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Martaine2005 replied to the thread Is this true? Diamond battery. Cool.I doubt that this is anywhere possible. A diamond is indeed a great land made stone, but a radioactive capacitor or voltage storage it...
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Martaine2005 reacted to crutschow's post in the thread Cat door sensor jammed by steel (metal) enforced wall with Like.
The plastic is just to provide more space between the sensor and the metal wall. It does nothing by itself otherwise to block the...
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Martaine2005 replied to the thread Cat door sensor jammed by steel (metal) enforced wall.The second to last photo and the last photo show the overall aperture. 1/2” plastic strips inside the aperture forming a barrier. This...
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Martaine2005 replied to the thread Cat door sensor jammed by steel (metal) enforced wall.Yes, metal can effect radio waves of RFID. It can disrupt and de-tune the radio signal. Plastic will form a barrier.
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Martaine2005 reacted to SandWiz's post in the thread Cat door sensor jammed by steel (metal) enforced wall with Like.
I'll definitely post pictures tomorrow so you can see it clearly 😊🙏 Thanks Martaine
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Martaine2005 replied to the thread Cat door sensor jammed by steel (metal) enforced wall.RFID!. Interesting. You said it works about 50mm (5cm) away from the door. I would first try a plastic barrier. A half inch (1/2”)...
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Martaine2005 replied to the thread Cat door sensor jammed by steel (metal) enforced wall.The electronics are in the front, not the tunnel section you put foil over. Also, adding foil is doing the same thing as the metal...
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Martaine2005 replied to the thread Ignition coil....I think it would depend on the frequency as ignition coils are pulsed DC. Our homes are 50/60Hz depending on what country you’re in...
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