This has the power, but does not have any signal to control so I’m, going to put this on an input one so now I’m going to connect this to five volts. This is now the ground pen, I’m gon na put it on the ground here and this Arduino, and this is the five volts I’m gon na put it as five volts now. Fifty five point: two millimeters, the adaptive eighteen point: eight millimeter! This relay is low regard, meaning that with the value of low or zero volt, the relay will turn on at the input and the value of five or high the relay will turn off so with the low it will be triggered or turned on. So this understand are connected so remember that the module length is very 5.1 millimeter. But if you want to totally isolate this from Arduino, because sometimes because, due to high current and other reasons of connecting expensive equipment, if you want to isolate it, you can do that by removing this jumper.īut you have to supply 5 volts separately by an adapter for this, so you see the bus and now let’s put it. When the jumper is connected, these relays will take the power from the five volts that you connect to this VCC, either Arduino or whatever, so the power will come and will be connected. You, the jumper, could be either connected or removed. So this is really one really to retrieve 3 4 and the same way we have four LEDs here to show the status of these relays when they are activated at this on this corner, we have a jumper okay, so let me just put it through the jumper: You can either connect it. So this has input 1 input, 2, 3 and 4 for these four relays. G and D will be connected to ground and this VC C will be connected to five volts, and then we have n 1 n, 2 and 3 and n 4. One just switch your wire there and then here we have four terminals, we have sex input. If you wanted the power to come, when the signal comes to be disconnected, you just put it here, because it’s normally connected and if you wanted the other way do not change anything about the metal. You always put one of the wire at the metal and the other wire, depending on your application. When the signal comes here, then this and this plane will be connected when you connect and use it. This is normally connected without any signal. If I connect a power here, a light or a load, it will be connected I’m using my multimeter as a continuity to start here you see the sign and when I connect these two probes, just buzzes I’m, going to show you that this terminal these two folded, This really these two terminals are normally connected without any power or anything, and these two are normally open same thing for this one and the other. At this point, we have three terminals for each relay, so these two this and this terminal as drawing shows they are normally connected without power or anything. This is the relay module and we have four relay that’s why this is called for channel or for relay module the relays. We know a word of warning if, when you’re working with ez that’s now connected to AC power, make sure you do not touch this area or underneath and make sure that this module is on insulated surface like what plastic something like that, if you’re working you want To adjust something or change, something make sure to disconnect the power from the outlet. You can get the quote for this project by clicking at the link at the description which will take you to Robo jog that console ashland, slash ORD. It can be a heater, it could be a fan, anything that you want. This video, we are going to see how we can use this for channel relay without davina to control, AC load or AC bulb like that.
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