KlausST
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Today, 11:54KlausST replied to a thread Motor pump starter connection with two relay to operate manual and auto in Hobby Circuits and Small Projects ProblemsHi You may use another single pole relay.. Klaus8 replies | 312 view(s) -
Today, 11:51Hi, It took me 5 minutes to find MAXIM's USB Host Adapter Emulators They may or may not have I2C. Some may have, but you don't need to use it (as...3 replies | 155 view(s)
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Today, 11:30KlausST replied to a thread Motor pump starter connection with two relay to operate manual and auto in Hobby Circuits and Small Projects ProblemsHi, The benefit of standard symbols is that it avoids confusion. Is it more simple to insert a picture with a red box than inserting a symol of...8 replies | 312 view(s)
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Today, 11:18Hi, Capacitor for -IN: * X7R are used for high current peaks and/or high frequency..because they have low ESR (at high frequencies) But at this...16 replies | 444 view(s)
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Today, 10:19KlausST replied to a thread Motor pump starter connection with two relay to operate manual and auto in Hobby Circuits and Small Projects ProblemsHi, Honestly... I don't understand the wiring. * What's the red box and the green box? * Where is the motor? Klaus8 replies | 312 view(s)
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Today, 10:10KlausST replied to a thread ADC Value gets changed when a Digital output enables in Power ElectronicsHi, Impossible to help without schematic and PCB layout / wiring. My guess: ground bounce. Klaus2 replies | 154 view(s)
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Today, 10:04Hi, No need for making it complicated. Try this. Klaus16 replies | 444 view(s)
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Today, 02:41Hi, The most important is: you need a USB DCP which can supply 1.5V. There is the USB specification, various application notes and forum...3 replies | 155 view(s)
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Yesterday, 08:36Hi, True, the diode solution will be an improvement for noisy supply voltages. The drawback is the known temperature drift of about -4.2mV/°C. ...16 replies | 444 view(s)
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Yesterday, 08:07Hi, 1) you are right ... and not. * Your second circuit shows one capacitor. Just for the function and as low pass filter. * My circuit shows a...16 replies | 444 view(s)
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16th January 2020, 22:15Hi, The circuit is exactly what I suggested. Did you recognize it? Klaus16 replies | 444 view(s)
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16th January 2020, 11:53Hi, If there is audible noise, then most probably the regulator is not continously (clean) switching. * either it is in hickup mode (high load...14 replies | 844 view(s)
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16th January 2020, 11:40Hi, Did you read the datasheet? They don't mention "spring". Klaus4 replies | 268 view(s)
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16th January 2020, 11:36Hi, A battery voltage varies....and the same magnitude in % your sensor signal will vary, too. --> high error. You want it simple... Sadly...16 replies | 444 view(s)
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16th January 2020, 08:51KlausST replied to a thread Need sources for Product Enclosures in Professional Hardware and Electronics DesignHi, There are thousands of shops, maybe thousands of manufacturers. Each of them providing more informations on their shops and catalogues than we...2 replies | 185 view(s)
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16th January 2020, 08:44Hi, I don't think the contacts are made for wire and wrap. Look for one that solders the wires to it. Or you have to try: * connectors for...4 replies | 268 view(s)
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16th January 2020, 08:35Hi So what's the question now? * the code? How to transfer multiple bytes to the Uart peripheral? * or the hardware? How the Uart transfers the...10 replies | 441 view(s)
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16th January 2020, 08:19Hi, I agree with audioguru. The voltage will be almost zero. But yes, even if small it will be proportional to input current. Klaus38 replies | 1314 view(s)
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15th January 2020, 23:54Hi NE5534 is not unity gain stable. Expect oscillation. Klaus4 replies | 246 view(s)
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15th January 2020, 23:40Hi. The FIR should not create DC. But for sure the values are multiplied wit 2^17, thus the output signal will be multiplied with the same factor...5 replies | 224 view(s)
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15th January 2020, 23:34KlausST replied to a thread Need to reduce drain voltage spike in LM5019 Buck converter in Power ElectronicsHi I don't think the peaks are real. Rather a measurement artefact. Show a photo of the circuit including scope connections. Klaus5 replies | 248 view(s)
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15th January 2020, 09:02Hi, "Brand new" does not necessarily mean that they are suitable. Voltage rating and capacitance rating is not enough information to buy such a...13 replies | 534 view(s)
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15th January 2020, 01:57KlausST replied to a thread [SOLVED] Need very basic R-C "delay off" circuit in Hobby Circuits and Small Projects ProblemsHi, Just press the "Mark as solved" button. Klaus7 replies | 385 view(s)
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14th January 2020, 21:44Hi, You need to add a GND connection. Do you have a proper twisted pair cable with about 120 Ohms characteristic impedance? Klaus ...4 replies | 261 view(s)
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14th January 2020, 07:59KlausST replied to a thread Earth leakage Detection "positive" as well as "Negative" >30mA. in Professional Hardware and Electronics DesignHi, Please give complete informations. The only useful informations is "30mA" With "earth leakage" I think about AC ... which is alternating....5 replies | 345 view(s)
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13th January 2020, 03:27KlausST replied to a thread Bootstrapping board for programming the ESP32 in Hobby Circuits and Small Projects ProblemsHi, Why not use the 5V input and use the internal regulator? This is the safe solution. Many linear regulators are able to withstand voltage...6 replies | 400 view(s)
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13th January 2020, 03:23KlausST replied to a thread [SOLVED] Trouble with frying 74LS11N AND Gate in Hobby Circuits and Small Projects ProblemsHi, "Connected drain" to an input... also need pullup / pulldown resistors. General rule: Don't leave any input (used or not) of any IC...7 replies | 383 view(s)
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13th January 2020, 03:00KlausST replied to a thread Microcontrollers and a lot of advice - PIC , AVR, ARM - Software - Books - Boards in MicrocontrollersHi, You may use many devices on one SPI bus. Why three busses? In many years of programming I always avoided bit banging .... because of...6 replies | 486 view(s)
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12th January 2020, 20:59KlausST replied to a thread Does It Make Sense to Connect SMD Fuses In Parallel Instead of Using Bigger One in Power ElectronicsHi, Did you try it? Did you do some calculations? Please show the results. I think these are just assumptions, but other users may take it...3 replies | 278 view(s)
About KlausST
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