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On the Arduino side there is: The relay in use is: Retrieved from ” https: Using single 5V relay jqc-3ff-s-z – safety advice required Ask Question.
JQC-3FF Relay Technical Data
datashfet Post as a guest Name. Discussion View source History. Normally open, which means that when the relay is on a digital high “1” is received from Arduino the device is ON.
Thank you for the answer.
Sending a digital high or a “1” will trigger the relay. No large currents here, nothing to worry. I know people recommend having resistor and transistor on IN line too, but are these necessary in this particular type of relay? I understand such a question can sound silly for electrical engineer, but I’m software engineer venturing in electrical world and need some guidance.
Make sure the appliance to be tinckered with is unplugged from mains. I’ll already tested wiring and relay using LED before posting.
Do I jqqc-3ff to add anything else for relay to work safely and reliably? Signal Vcc Ground On the appliance side there is: From the trace on the board it would seem that the middle resistor 1 kOhm is attached to the “IN” pin serving exactly this purpose. Cut and strip a portion jqcc-3ff the positive wire so that you end up with two ends of the wire as shown in Figure 2. I am interpreting the picture of the printed circuit board of the relay module with accompanying notes as follows:.
The diagrams below should help you understand the layout of the relay board. Above is relay I’m using and everything works as expected using diagram below. This page was last modified on 13 Juneat Email Required, but never shown.
So, using Out1 a “1” will turn on the device and a “0” will turn off the device. If it does – no need for any external components. As Ghanima was mqc-3ff bit more explicit I’ve marked his answer as accepted. We recommend using a swappable cable to do this with, as using a relay requires you to perform some minor datassheet on the appliance’s cable.
You could easily check this with an Ohmmeter or following the traces on the board.
Tutorial: DFR0017 V2 Relay
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daatasheet Home Questions Tags Users Unanswered. This voltage is consistent with the operating voltage on the relay”. Sending a digital low or “0” will disable the relay. I am interpreting the picture of the printed circuit board of the relay module with accompanying notes as follows: The relay should have the positive wire of the device being used connected to “IN” and to “Out 1” as shown in figure 2, and any digital signal pin on the arduino end For example pin