KlausST
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Today, 21:01KlausST replied to a thread computer parallel port external relay control in Hobby Circuits and Small Projects ProblemsHi, The only question of post#1 is Klaus2 replies | 18 view(s) -
Today, 17:09Hi, my recommendation: Read the datasheets. Both datasheets specify accuracy. At least this is the way I`d do it. Klaus8 replies | 101 view(s)
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Today, 16:58KlausST replied to a thread Circuit with an integrated FLIP FLOP in Hobby Circuits and Small Projects ProblemsHi, can you please draw a truth table, your 1) violates your 2) --> I assume: when pinA = 1 and pinB = 1: do nothing = hold mode = no change...2 replies | 88 view(s)
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Today, 13:09Hi, This all makes no sense to me. --> Show a sketch/circuit about your idea. Klaus5 replies | 155 view(s)
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Today, 11:49Hi, This circuit makes more sense: It differs to the first one: * Now there is no capacitor beween A nd C of the LED. It is between pin2 and...5 replies | 155 view(s)
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Today, 11:12Hi, this is an inclomplete circuit. I donīt think it is correct. It does not make sens to discuss abut an incomplete circuit. Where is it from?...5 replies | 155 view(s)
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Today, 00:55KlausST replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsHi, As already mentioned: You don't measure the gate current. --> If you want to know the gate current, then measure the gate current. ...59 replies | 2022 view(s)
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Yesterday, 18:36KlausST replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsHi, well done :-) 1) typical with SCR and triacs. The gate needs some current to trigger, the diac needs some voltage to trigger, the...59 replies | 2022 view(s)
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Yesterday, 16:00KlausST replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsHi, Yes, for sure. It does what it should do. It measures the voltage at the given node with respect to GND. If you want to measure the...59 replies | 2022 view(s)
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Yesterday, 13:55KlausST replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsHi, Didn't we recommend several times to put the load at tha anode side? May I ask where you see the benefit when you repeatedly connect it...59 replies | 2022 view(s)
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28th March 2020, 17:24Hi, You know: No signal goes one way, it always needs a return path. And if the return path is long and high impedance the whole signal will be...20 replies | 547 view(s)
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28th March 2020, 14:03Hi, PCB layout: See the picture. I showed the current flow loop for the gate current. A good layout: should have as low as possible enclosed...20 replies | 547 view(s)
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28th March 2020, 08:47KlausST replied to a thread Tool for transforming python code to FPGA for Machine Learning in PLD, SPLD, GAL, CPLD, FPGA DesignHi, Maybe there is...but it's against the idea software vs hardware, It's an often made mistake to look/write HDL like software. Software is...6 replies | 681 view(s)
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28th March 2020, 07:35KlausST replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsHi, GROUND is just a name. A name for the node which the designer (you) decided to be the voltage reference. Theoretically any node in any...59 replies | 2022 view(s)
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27th March 2020, 23:21Hi, You know you gave just half of the requested informations... You will have your reasons.... Thus I can't verify the some items. Anyway....20 replies | 547 view(s)
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27th March 2020, 22:18Hi, Please show: * the PCB layout * the brand and exact type of R59 (datasheet) * where at the PCB exactly you connected scope_GND and...20 replies | 547 view(s)
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27th March 2020, 13:23KlausST replied to a thread Help needed; Check of PCB and some other questions in Hobby Circuits and Small Projects ProblemsHi, your traces on your PCB will introduce some resistance (mainly depend on width, length and thickness) and impedance (almost independent of...14 replies | 767 view(s)
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27th March 2020, 12:03KlausST replied to a thread Help needed; Check of PCB and some other questions in Hobby Circuits and Small Projects ProblemsHi, I agree FvM. A GND plane shold give some benefit. Maybe add some capacitors for supply voltage stabilisation. And maybe add GROUNDed tracks...14 replies | 767 view(s)
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27th March 2020, 11:42KlausST replied to a thread Looking for an non-invasive sensor for a fitness machine in Hobby Circuits and Small Projects ProblemsHi, There is a motor? There are wires? You can measure the current? All these informations I miss in post#1. Klaus4 replies | 345 view(s)
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27th March 2020, 08:03Hi, I'd consult the datasheet. And if it does not give the expected information I'd start a simulation. You may also build the circuit and use...2 replies | 222 view(s)
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26th March 2020, 09:14Hi, Many users expect this. And from my experience especially those who give vague informations. Glad to see that this isn't the case here. ...18 replies | 576 view(s)
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26th March 2020, 08:00KlausST replied to a thread Force sensitive resistor controlling output voltage in Analog Circuit DesignHi, I'd go with the Opamp solution. It is simple. Just a couple of parts. And it works perfectly. It's not the problem of the Opamp that it...5 replies | 269 view(s)
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26th March 2020, 07:38Hi, Quite straight forward: Since sinusoidal signals are analog signals: Go to any electronics distributor's internet site of your choice and do...3 replies | 286 view(s)
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26th March 2020, 07:30Hi, What do you expect from us. You don't show your code, so we don't have the chance to verify it. Or do you expect someone writing the whole...18 replies | 576 view(s)
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26th March 2020, 02:14Hi, In my eyes there is no clock divider .... indeed I expect a clock multiplier. (PLL) Clock cycles =(time delay) *(clock frequency/4). If...7 replies | 373 view(s)
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26th March 2020, 02:06KlausST replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsHi, Eventually you dud whatvwe told you from the beginning (keep it most simple, remove R5)... and now it works. It works like expected. Well...59 replies | 2022 view(s)
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25th March 2020, 15:27Hi, general rule: Donīt leave any input floating!. Klaus3 replies | 277 view(s)
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25th March 2020, 14:21KlausST replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsHi, and set your Scope input to "DC". Klaus59 replies | 2022 view(s)
About KlausST
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