Questions tagged [switches]
Devices to interrupt or route a signal or power one of several ways.
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Switching ON/OFF an ADC line
which electronic component could one use to switch ON/OFF several external lines for ADC?
Context:
I am working on a small project where I would like to measure 4 external voltages (0-3V range, let's ...
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SPDT with high amps
I have 3 DC power supplies that can each supply 320 W. Input to these power supplies comes from AC wall power and is gated by an on / off switch.
I have 2 different loads:
DC 35 V, 22 A
DC 35 V, 17 A
...
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Controlling a device in a car using a button and ignition
I need to connect a device to my car. I thought about using an XOR gate because:
A - button
B - car ignition.
If the car's ignition is off (0), pressing the button (1) will turn on the device (1).
If ...
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Using a Latching Button for Car Hazard Lights with LED Indicator
I'm attempting to learn more about electronics with this small project
I am using a latching button .
I connected the button to the ignition wire of the car because I want the LED to stay on.
My ...
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turn on an LED with a pressure switch but it will not turn off until you reset the switch
So first off I'm new to all of this electronic stuff. I understand the basics but that is it...
so this is what I'm attempting to do.
I want a pressure switch that will turn on an LED light, but i ...
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Could I use a linkstyle momentary dpdt switch?
This is a switch from my cars sunroof. It is a Lincoln Town Car so the part is Ford.
I need to replace this switch and I am wondering if I can just get a linkstyle dpdt switch and solder these four ...
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Unknown SMD component - PCB Designation question
I have a board we are trying to repair. We are unable to get any technical documents from the manufacturer, no schematic or BOM for the board. This has multiple switches, think metal dome you press ...
user388256
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Where should the base resistor be placed in a PNP switch?
I would like to understand the difference between placing a base resistor at R2 versus R4 when implementing a PNP switch. It seems there is no difference whether I place a 4.7K resistor at R2 and ...
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How to switch off boost converter inside 3.7v battery modded device using devices own on/off switch
I'm probably doing something dumb, but I'm trying to learn!. I'm converting my 9v multimeter to use a rechargeable battery with a boost converters, which seems to be working great so far, but I want ...
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How does the common pins on rotary DIP switches work
I am having trouble understanding how the pins are connected in rotary DIP switches, specifically this one.
My interpretation is that 4 separate inputs are connected to pins 1,2,4 and 8 and based on ...
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Refine identification on this "tactile" switch
I'd like to identify this switch:
After poking around on Digikey and comparing the measurements, I believe it's a Panasonic EVQ-P0N02B or EVQ-P0Q02Q. It does not have a GND terminal. The button width ...
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Soft Latching Power Switch with extra input
I'm working on a project that will be battery and/or USB powered.
I would like to implement a soft power switch with the following functionality:
Pressing the power button for ~1s turns on the device ...
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Understanding symbol of a latching push switch
I want to understand the schematic symbol for the illuminated, latching push switch I am using. My objective is to use it simply for ON and OFF purposes.
Link for the part and datasheet.
Symbol from ...
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Clock feedthrough of the bootstrapped switch
I'm learning about the bootstrapped switch through this paper. Razavi used a 20 µm / 28 nm NMOS (M1) as the main switch to achieve low Ron. I am wondering does this wide device cause any problem ...
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How does this switch work on each press?
I'm trying to replacing a broken switch in my 1986 Corvette. It's in the door panel which can be pressed to turn the door panel interior light on and off. The switch itself has only the manufacturer ...
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