Questions tagged [Circuitry] (234)

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What is the difference between chip max31855kasa+ from max31855kasa+t?

Something I can not understand what the difference between IC max31855kasa+ from max31855kasa+t ?
richard asked March 25th 20 at 12:11
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How to make alternately switched led strip respond to movement?

Under each step will be the led strip that lights up when motion is detected. They will light up one by one, from the bottom up. As soon as people got up, the tape faded out. In the upward direction. How it can be implemented? And you can do it without programming(i.e. without them) microcontrollers?
gavin11 asked March 24th 20 at 14:51
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Where this scheme is the solution?

Where on the diagram the output?
Juliana_Reilly asked March 24th 20 at 12:54
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How to raise the 1-Wire interface on the LinkIt Smart 7688?

As Smart 7688 LinkIt connect the temperature sensor DS18B20. Mostly manuals under Rasberi Pi. And how to query it in Python?
Chloe.Satterfield asked March 24th 20 at 12:03
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How to replace the touch button (capacitive) dry contacts?

Actually that's the question. on the PCB are spring-loaded sensor, is triggered through the glass on the front panel should be removed from the device pin parallel to that button.
mohamed.Pagac asked March 24th 20 at 09:59
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Where is the error in the connection of LED panels?

RGB led-panel 32 to 16, marking p10smd180920-719j/h10000 P10-4S 32*16 Connected according to the scheme https://learn.adafruit.com/32x16-32x32-rgb-led-matrix. A sketch from the same place, with anarky and other from the Internet. Why something is wrong is lit blue and red. When casting blue half of the pixels are red, whil...
miguel_Hintz asked March 23rd 20 at 20:43
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How to develop a scheme which sets the blinking frequency and brightness of the 4 diodes using 3 buttons?

Hello! Need any help, hint or solution, whatever you need to develop a scheme that specifies the flashing frequency and the brightness of the diode 4 via 3 buttons. Providing 4 brightness levels and 4 blink frequency. First press the combination of buttons 1 and 2 sets the flashing frequency, the second pressing of a combin...
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As a diode to compensate for the cold junction?

Please explain how this scheme compensates for the cold junction?
chaz77 asked March 21st 20 at 11:38
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How to power LED Room strobe 108 Strobe 12V from?

Zdravstvuite, there is a strobe LED Room Strobe 108 which operates from 220V, I want to be powered by a 12 volt, but can't find where to connect the 12 volts... can someone help?
estel95 asked March 19th 20 at 20:35
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Why in earth it is impossible to make a circuit without wires?

Good day! Study the material on the book of Petzold "secret number science", I must say that in electronics a complete zero and this is my first acquaintance with this topic. In the book in Chapter 4 is an example of baterako, light bulb and switch and talked about that instead of the common wire, you can use the earth as t...
Cheyanne69 asked March 19th 20 at 20:00