All Questions
19
questions
0
votes
0
answers
74
views
What kind of relay / switch is this?
What kind of relay, if I'm right, is this? It is used in a PRCD.
Pictures from 3 sides.
- 1
1
vote
1
answer
550
views
Modelling solenoid with LTSpice
Does anyone can give me a hint on how to modelling a solenoid (solenoid locker) with LTspice ?
Here is the characteristics from the supplier (https://www.lextronic.fr/mini-serrure-solenoide-12-v-58746....
- 21
0
votes
2
answers
389
views
Switching multiple solenoid valves with microcontroller
I am trying to switch 20 solenoids at 12 V and 2.8 A from a microcontroller. This is the first time I am trying such a thing. And right now I am planning to use a IO expander to get enough pins and ...
- 85
0
votes
2
answers
98
views
Is it possible to read the value of a switch in another active circuit?
I have a magnetic lock with an integrated switch (NC when locked). The lock opens when supplied current and stays open even after the current is no longer supplied (until someone manually closes the ...
- 75
1
vote
1
answer
199
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Switch 12v solenoid from 3v3 control signal
I am going in circles on the web and appreciate your help with this novice question, operate a solenoid with a mosfet (original idea, I know). I bought a Gravity DFR0457 to switch a 12V solenoid on ...
- 11
1
vote
1
answer
705
views
Logic Converter driving logic level Mosfet Gate
I am wondering if anyone can comment on the feasibility of this circuit. My ultimate goal is to switch a 12V solenoid on and off using a 3.3V microcontroller, but I have had trouble so far. I want to ...
- 73
0
votes
6
answers
228
views
Is there a switch that can be made when it is spun around a given axis, like a gyroscope solenoid?
Given in the title, I'm looking to design a small embedded system that only turns on when the part it's inside is spinning.
The electronics is completely enclosed.
I've done some googling for rotary ...
- 61
0
votes
2
answers
867
views
Triac switch cause of heating
As a newbie to hardware design, I'm having some trouble picking components. I want to switch a 24V AC Solenoid valve using a triac.
According to my research/experience, transistors heat up during use. ...
- 37
-1
votes
1
answer
153
views
total newbee question : use transistor as a switch
Ok, I don't know anything about transistors, and my knowledge about electronics is basically limited to U = R . I and ...
- 1
0
votes
1
answer
226
views
custom solenoid trigger circuit
I have a custom made solenoid that is required to work at 60V to actuate with enough force.
I have tried two circuits shown in the figure below but both don't work. In the first circuit, the voltage ...
- 3
8
votes
3
answers
8k
views
Why is this reed switch / solenoid circuit not working?
The (normally open) reed switch should close by waving a magnet across it, completing the circuit. The 6v solenoid lock should pull inwards allowing the door to be opened. When the magnet is removed ...
- 597
0
votes
3
answers
181
views
Using two switches to each send current in opposite directions
I have two momentary switches, one to activate a solenoid and one to reset it. It is only possible to press zero or one of the two switches at the same time. Using a single battery, how can I wire the ...
- 121
1
vote
1
answer
198
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DC Motor + Pull Solenoid + 2 Microswitches --- Rigging and Timing Question?
so my senior design group at UCF needs some help with the electrical engineering aspect of our project as we are all ME majors and lack confidence in this area.
Our design is driven by a DC gear ...
- 11
-1
votes
3
answers
1k
views
Controlling a Solenoid With Raspbery Pi GPIO Output Using a Transistor
I'm trying to control a solenoid using the RasPi 2's GPIO pins. Since the solenoid needs more power than the RasPi can provide, I'm using a 9V battery to provide the power.
I started with just wiring ...
0
votes
1
answer
3k
views
Solenoid valves in series or parallel?
I already have the main solution and dosing solution tanks hooked up to each other, with solenoid valve S1 controlled by the liquid level switch through the DC power supply and DC/AC SSR (see image), ...
- 53