ive searched the web for 4 days and two circuit boards later im a newbie and all I want is to turn on a spindl im trying to use a relay board so the closet video said, and its a 5v relay, so the guy said use 5v
on the left side of the r3 next to the ground my groung went to ground and"s" went to pin 7 and PUFF
that was #2 board gone who knows ho to properly wire a 5v relay to a Arduino r3 please help and thanks Robert
There is no proper way to wire a relay directly to an Arduino. What relay board are you using, if you have one? What is a 'closet video'?
...and what is counterfeit? You said nothing.
It is quite likely that the 5v pin of an Arduino cannot provide enough current for the relay coils and you should have a separate 5v power supply for the relay board with the GND connected to the Arduino GND.
If you want more advice please post a link to the datasheet or user manual for the relay board.
...R
Drop the relay and try a logic MOSFET n-channel transistor. Then You only need seaparate power suply for the motor.
I would guess you are driving a relay coil without a [u]flyback diode[/u]. A coil is an inductor and when you remove power from an inductor the magnetic field collapses and you can get very-high reverse voltage. (That's similar to how the coil in a car engine generates high voltage for the spark plug.) The reversed diode safely "shorts out" that voltage.
A MOSFET or transistor driving a coil or motor also needs a diode.
Plus, the Arduino doesn't put-out enough current to directly-drive most relay coils so you would be "overloading" it, but that is unlikely to fry your Arduino instantly.
If you buy a "relay board" with a built-in driver it will have the diode as part of the driver circuit, plus it might have an optical isolator to completely isolate the relay from the Arduino. (They can optionally share a ground and/or power supply so they may not end-up being totally isolated.)
If you google this problem there are loads of guides on how to connect relays .
Never connect anything to your Arduino without being sure about it , rather than chancing it .
ok lets try this, I have a cnc x,y,z linear ballscrews and nema 23's and tb6600 stepper drivers,,an Arduino r3 control board all that works fine but how would you trigger a spindal, router,laser or a 5 relay board(blue ones on ebay)5vdcin 120v
I saw the video of a guy using the relay to turn on a regular 120v light
what am I missing?
or what do I need to make them work
thanks robert
hillbilly112:
what do I need to make them work
thanks robert
See reply #5. The first part.
You're missing any links to things so we can work out what on earth you're talking about.
What's a "spindal" or spindle perhaps? What sort of laser? How am I supposed to find "blue ones on ebay"? And which of the gazillions of videos in the world is "the video of a guy..."?
Steve
If stuff like MOSFETs can't handle the voltage, then relays might be the sollution. However relays will not handle PWM type of control.
just googled """how to connect your Arduino3 to a plasma cutter""""" it uses the blue relay board"sonole srd 5vdc to10 amp 125 volts ac and unlike the other video "s" from the relay goes to pin 11 unlike pin 7 for the light
ya my spelling sucks
what is a spindal LOL a router motor
if this were a normal cnc laser engraver what would be the pins to hook up the laser
or if it was a router what pins wold turn it on and off??
im getting more confused, several of you state that it cant be done yet two videos on you tube shows otherwise
whom I
am I to believe
hillbilly112:
im getting more confused, several of you state that it cant be done yet two videos on you tube shows otherwise
whom I
am I to believe
Believe YouTube videos. You should be able to get full instructions on how to connect it there, also.
@OP
Split the project into smaller parts and solve the parts problems. Then build the finalsystem
May I suggest you to read this carefully, and follow the instructions. Doing so will get you a lot further, faster.
"im getting more confused, several of you state that it cant be done yet two videos on you tube shows otherwise
whom I am I to believe"
You will need to provide links to the videos and the specific electrical equipment you want to control for others to have a decent idea of what you are working with.
zoomkat:
You will need to provide links to the videos and the specific electrical equipment you want to control for others to have a decent idea of what you are working with.
This was asked by me in Reply #2 - the OP does not seem to be good at reading.
...R
When someone has ignored several reasonable requests for information there comes a point when we have no real option but to ignore their problems. Shame really but what else is left?
Steve
ok here is the light bulb video says Arduino test # 28
How to control 12V LED and motor with 5V Arduino by using Transistor TIP122 - Robotica DIY...
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Amazon.co.uk : Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU (Relay Module)
http://amzn.to/2AfkqyH (Diode 1N4007)
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hillbilly112:
ok here is the light bulb video says Arduino test # 28
There is no link to a video.
And you have still not addressed the question from Replies #2 and #14
...R