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This page was last modified on 13 Juneat On the Arduino side there is: If it does – no need for any external components. Sign up using Email and Password.
Normally closed, which means that when the relay is off a digital low “0” is received from Arduino the device is ON Out1: Discussion View source History. 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.
Tutorial: DFR0017 V2 Relay
Thank you for the answer. This voltage is consistent with the operating voltage on the relay”. So, using Out1 a “1” will turn on the device and a datsheet will turn off the device. Email Required, but never shown.
Signal Vcc Ground On the appliance side there is: I am interpreting the picture of the printed circuit board of the relay module with accompanying darasheet as follows:. Make sure the appliance to be tinckered with is unplugged from mains. Sending a digital high or a “1” will trigger 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. Normally open, which means that when the relay is on a digital high “1” is received from Arduino the device is ON. Sign up using Facebook. Using single 5V jac-3ff jqc-3ff-s-z – safety advice required Ask Question.
Xiamen Hongfa Electroacoustic JQC-3FF/12VDC-1ZS（) – PDF Datasheet – Relays In Stock |
Retrieved from ” https: Do I need to add anything else for relay to work safely and dxtasheet The relay in use is: I’ll already tested wiring and relay using LED before posting.
As Ghanima was a bit more explicit I’ve marked his answer as accepted.
Moreover, it even looks vatasheet relay board has diode already above VCC terminalso I wouldn’t need extra diode on IN line? I’ve tested components on board and can confirm it has: Above is relay I’m using and everything works as expected using diagram below. Thank you very much for your answer, I hope this topic will be helpful for others too. No large currents here, nothing to worry. You could easily check this with an Ohmmeter or following the traces on the board.
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.
Please be vary carful not to play with live circuits! Sending a digital low jqc-3rf “0” will disable the relay.