Questions tagged [toggle-switch]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
24 views

Rocker switch to power supply with unused terminal

Fairly new to the whole field, so please go easy if this is a stupid question. I was digging into the details of my 3d printer's PSU the other night to find out how it connected to mains, and I was ...
0
votes
1answer
146 views

Solenoid switched by TIP120 transistor stopped working after two weeks

I have no kind of knowledge about these things. I just copied some instructions from different projects and now my project died. I have this 12V 0.8A solenoid that switched for about two weeks. Now ...
2
votes
2answers
102 views

Electrically toggle-able switch?

I'm wondering if a switch exists that fits this functionality I imagine: The user would depress the switch, it would latch and stay depressed. Once the product completes its function, the control ...
17
votes
8answers
6k views

Smooth switching between 12 V batteries, with a toggle switch

I have a number of instruments (12 volts, drawing a few hundred milliamperes) that occasionally need to be switched between one of two 12 volt lead acid batteries. The toggle switch is break-before-...
1
vote
2answers
74 views

Switch battery usage off when jack 3.5mm is not inserted

I have an ongoing project where I'm using a condenser microphone to record various stuff, it's powered by a CR2032 battery and the output of the microphone is directed to a TRRS jack connector (3.5mm),...
2
votes
1answer
62 views

Using two momentary switches to toggle LED

So, this circuit should (in theory, at least) turn the diode on when ON button is pressed, and turn it off when OFF button is pressed. It doesn't though. The diode is powered on at the moment where I ...
0
votes
1answer
101 views

I need help to solve my melting switch problem [closed]

I have used a 20A 12VDC switch which by-passes my air-conditioning climate switch in the car which is not functioning, and yes... The 20A melted. My car battery is 12V. I have a glass fuse installed ...
0
votes
3answers
105 views

Interrupt debouncer for switch sensor

I want to read the state of a switch sensor (magnetic contact). I'm thinking to connect the switch between an interrupt pin of my micro and ground, listening for CHANGE status. In this way I have ...
1
vote
2answers
127 views

Is there such a switch?

I am looking for a single 12V DC switch which has an on-off-on actuator that will do the following: two 12 volt+ input pins completely separate from each other, each with its own two loads. In other ...
0
votes
1answer
447 views

Convert a toggle switch into a momentary response

I'm working on a project and I need to use a toggle switch to control a device that expects a momentary signal. What I want is send a momentary pulse when turning it on and off. Ie: swith off to on: ...
0
votes
0answers
21 views

3 switches, one lamp with existing wiring [duplicate]

I have an existing wiring with two switches for 1 lamp. How to add third independent switch without changing to much wiring inside walls (usual wiring [with the triple switch in the middle of ...
0
votes
1answer
559 views

Adding a DPDT switch into schematic

I'm learning to use Kicad and got stuck trying to add a DPDT switch to my schematic. When I try to add it, I couldn't find one in the components library when I search for it. How can I add it to my ...
0
votes
2answers
55 views

LED frequency indicator for multiturn knob

I’m designing a simple SW receiver for the 20m band and need a rudimentary frequency indicator activated by the multiturn rotary knob. The knob is part of a recuperated Pritt gluestick mechanism ...
-1
votes
2answers
73 views

It is rated to 20A @ 28VDC, but I was wondering with a reduced current (16A), it can withstand a higher voltage [duplicate]

Goal: I am looking to buy a switch that handles 16A @ 85VDC. This switch needs to be a SP3T switch so I am not sure a relay can do this. The switch will move between a PU/PD/and load and is a LS ...
1
vote
2answers
223 views

On/Off toggle with delay using bi-color led

I need to design a circuit so that when a button is pressed, the red LED lights and starts an activate delay circuit so that when capacitor C2 (100uF) is charged it turns the red LED OFF and green ...
3
votes
1answer
347 views

Swapping Components and Reversing Polarity

I am having 2 DC motor, 2 Positive terminals & their negative Terminals. I want to build a circuit with 2 toggle switch so that when I toggle Both... It swaps the Motor and Change their polarity. ...
-4
votes
1answer
57 views

How do you toggle a DC current on/off with a input?

I'm new to circuitry and am planning on making a 12V DC circuit soon. I'm currently making plans & getting supplies, and was just wondering if there's some sort of component that would not allow ...
6
votes
2answers
172 views

What is the correct term and schematic symbol for a bar “connecting” multiple toggles together?

This has driven me mad, I've searched for this on google and am now going to the world to find out what the part is called. I've tried things like "Gang bar", "shared cover", did a google image search ...
0
votes
2answers
156 views

Can anyone identify this manufacturer? “E3”?

This has everyone I ask stumped. The board is a Siemens 115U CPU (6ES5943-7UA11) from the Simatic S5 rack, circa 1990's. It has some LEDs and two SPDT, O-ring sealed toggle switches on the front, one ...
1
vote
2answers
639 views

Replacing push button by transistor in 555 circuit

TL;DR: I need to replace the button S1 by a circuit/component that could close the circuit which the button is closing by applying a 5V signal (with 0.5s duration) in the new circuit/component. Well, ...
2
votes
2answers
319 views

Reference design for the latching switch with momentary pushbutton

I've noticed in a few production-grade schematics that the toggling power ON/OFF switch with a (normally open) pushbutton is frequently realized with two ICs, namely: single Schmitt-trigger inverter ...
0
votes
1answer
53 views

Determine if servo pulse length is in a given range

Quick refresher on servo control: High pulses are 20ms apart and last between 1ms and 2ms. I know this could be done with a microprocessor very easily, but I want to do it without one because the ...
0
votes
3answers
627 views

How to turn an SPST momentary push button into a momentary DPDT?

How to turn an SPST momentary push button into a DPDT? I would like to close 2 circuits at the same time. (From comments: I want to ground the reset circuit while getting a pin to HIGH on an Arduino ...
2
votes
2answers
238 views

Momentary switch for power?

The only switches I have every worked with are basic switches with on/off state, but I want to be able to add a power button to my project that is just like the power button on a cell phone. (hold for ...
0
votes
2answers
278 views

piezo to switch a transistor

so my idea is to create a circuit that when the piezoeletric is pushed, like a switch, but i wanted to make a variable so i can control how much force it needs to acionate the transistor so when ...
1
vote
1answer
110 views

SP4T slider switch on two states at the same time

I have a SP4T slider switch, where common is connected to the power rail and each pin is connected to a led and resistor. The problem is, if I position the switch between two terminals, the leds of ...
0
votes
2answers
756 views

Low power latching relay

I have a project to open and close a high voltage circuit (e.g. 240 V) with a relay using low power, let's say 5 V. Is it possible that I can use it as a switch to on or off the circuit without ...
0
votes
2answers
176 views

i need atmega 16 output to toggle using switch

i built remote controlled switch and connected its output to PB0 in atmega16 microcontroller then connected pir sensor with single trigger configuration for 30 sec and connected to PB1 in atmega16 ...
4
votes
2answers
816 views

How do you design a switch input to a MCU for ultra low power consumption?

I'm trying to build a low power door monitoring switch. I'm using an MSP430FR2311 with the below circuit. The switch is a SPST reed switch and there is an internal pull-down resistor on pin P1.0 of ...
0
votes
1answer
240 views

current spike of a momentary toggle circuit

The toggle circuit below works well, but I noticed that there will be current spike when the switch is closed, i.e., when switch is closed, the two caps will charge each other without resistor in ...
0
votes
1answer
119 views

Is it safe to toggle a led strip powered with 12v ATX PSU line?

I connected a segment of a led strip (12v) to a line coming from a standard ATX PSU (12v line, of course). I just wonder if it is safe to put a toggle switch to turn on/off the led strip, or may be ...
-2
votes
2answers
35 views

Automatic switch on when sensor is activated

Im trying to find a component or to make a circuit to switch a dc wire when a sensor is activated and sends a voltage of 12V, like in the image bellow. Thanks in advance.
3
votes
2answers
186 views

1 pulse toggle with simple non programmable electronics

I need to create a simple circuit that toggles when one pulses a push button and then stays on no matter what you do with the push button again. The toggle will reset when the system is powered off (...
-2
votes
1answer
389 views

Close/Open circuit based on power supply to a relay [closed]

I am new here and to electrical world. I need to resolve a very basic real life issue. I have two fans in my bed room. One is AC and the other one DC powered by a lead acid battery. I want the DC fan ...
1
vote
2answers
3k views

Push button to act as toggle switch? [duplicate]

How would I go about making a push button to act as a toggle switch. A switch would just stay in the active state until "un-switched". I need my button to toggle something. Example: ...
-2
votes
3answers
707 views

Can a 12 VDC 35A rated switch be used in a 24V 30A application

As the title says, I would like to use a DC toggle switch rated for 12VDC 35A for my application which is 24VDC with a max current of 25-30A (to be decided). The switch is a car switch as in photo ...
0
votes
1answer
173 views

Adding key switch to a PC. [closed]

So, I'm making a custom PC case for myself. I want to add a simple on/off key switch (like all of the bikes have), only on ignition, start + restart button should work. Here problem is that, I ...
0
votes
1answer
208 views

Load Switch for controlling battery circuit power via MCU GPIO pin

I’m making a battery powered air quality sensor node using Adafruits Feather M0 LoRa MCU. I have a MH-Z19 carbon dioxide sensor that requires 5V (datasheet says 3.6 ~ 5.5 V DC, and average current ...
1
vote
3answers
766 views

Connect panel mount switch to PCB

I'm looking for more information on how to connect a panel mount switch to a PCB. Switch Diagram: I've read that it's generally bad to connect this kind of mechanical device directly to the PCB (...
-1
votes
1answer
158 views

How can I modify this switch?

Power > toggle > light > extension plug When the toggle is ON there is power to the light and power to the extension's plug When the toggle is OFF there is no power to the light and no power to the ...
0
votes
1answer
90 views

Using a DP3T Toggle On-On-On to switch between two devices and then have them both on

I have a DP3T on-on-on switch that I would like to use to switch the power from my bicycle dynamo hub to front light on position 1, rectifier/regulator on position 2 and then both light and rectifier/...
1
vote
1answer
434 views

RC debouncer circuit does not work

I tried two circuits below, none of them seems to be working (I used 74LS04 and 74LS00), the output doesn't change when I press the switch. I found that the voltage at point "A" doesn't drop below 0....
2
votes
2answers
956 views

Wiring LEDs in parallel with 5-pin LED on/off switch

simulate this circuit – Schematic created using CircuitLab I'm creating a costume with some lights and am trying to run 10 LEDS and an on/off button with an LED from a 9V battery (so 11 LEDs in ...
0
votes
0answers
60 views

Reduce amount of I/O required for automated switching

I got a device with a 16-pin connector. One of the functionality tests consists of shorting every pair of pins (the first with the second, the third with the fourth, etc.) and measuring the voltage ...
-1
votes
2answers
308 views

suggestion for step selector circuit?

I want to run 3 different relays with one momentary push button, with each pressing and releasing of the push button it should activate sequentially Relay 1, Relay 2, Relay3 and after that goes OFF. I ...
-2
votes
1answer
114 views

Can I safely hook up 2 AAA batteries to a switch and ethernet without harming my computer? [closed]

I want to make an ethernet kill switch. I plan on taking 2 keystone jacks and wiring them to each other. Then putting a rocker switch between the orange wire to kill internet. How ever I have a rocker ...
0
votes
1answer
294 views

SPDT simulation, relay, optocoupler or something else?

I am currently working on a project where we have to pilot the command of a machine via a remote control based on some input. Normally, the remote control is a simple push button but we are working ...
0
votes
1answer
1k views

Connecting a Volt Ammeter to the input and output of a power supply

I'm working on a mini adjustable power supply that can give me a steady max of 12 volts, 3A and be able to boost to 24V when needed. Therefore, to do so I'm using a MT3608 2A DC-DC Step Up Power ...
1
vote
3answers
3k views

Creating a momentary low pulse with a toggle switch

I want to create a circuit with a SPST toggle switch that when flipped in one position the output signal is high and when flipped in the other the output has a momentary low pulse and then rises back ...
-1
votes
2answers
2k views

Adding an on/off switch to an USB charger [closed]

I was wondering if it is possible to wire an on/off switch into the cable of a wall-wart USB power charger as easily as it is to wire an on/off switch into a regular power cable? Or are there ...