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Sign up using Email and Password. I’ll already tested wiring and relay using LED before posting. Sending a digital low or “0” will disable the relay.
Please be vary carful not to play with live circuits! Email Required, but never shown.
Xiamen Hongfa Electroacoustic JQC-3FF/12VDC-1ZS（) – PDF Datasheet – Relays In Stock |
On the Arduino side there is: Post as a guest Name. Sign jqc-3fd using Facebook. Do I need to add anything else for relay to work safely and reliably? Thank you very much for your answer, I hope this topic will be helpful for others too.
Normally closed, which means that when the relay is off a digital low “0” is received from Arduino the device is ON Out1: Moreover, it even looks like relay board has diode already above VCC terminalso I wouldn’t need extra diode datazheet IN line?
Xiamen Hongfa Electroacoustic JQC-3FF/HS – PDF Datasheet – Relays In Stock |
Normally open, which means that when the relay is on a digital high “1” is received from Arduino the device is ON. We will use “out1” for our example, using “out2” will simply reverse the logic, as explained above.
This voltage is consistent with the operating voltage on the relay”. 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. If it does – no need for any external components.
I’ve tested components on xatasheet and can confirm it has: We recommend using a swappable cable to do this with, as using a relay requires you to perform some minor surgery on the appliance’s cable. I know people recommend having resistor and transistor on IN line too, but are these necessary in this particular type of relay?
Tutorial: DFR0017 V2 Relay
The relay in use is: 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 No large currents here, nothing to worry. Above is relay I’m using and everything works as expected using diagram below.
Make sure datashee appliance to be tinckered with is unplugged from mains.
Thank you for the answer. So, using Out1 a “1” will turn on the device and a “0” will turn off the device. You could easily check this with an Ohmmeter or following the traces on the board.
Sending a digital high or a “1” will trigger the relay. Signal Vcc Ground On the appliance side there is: Retrieved from ” https: This page was last modified on 13 Juneat I am interpreting the picture of the printed circuit board of the relay module with accompanying notes as follows: Sign up or log in Sign up using Google. As Ghanima was a bit more explicit I’ve marked his answer as accepted.