HFD27 005-S PDF

Hongfa HFD27/S(). Explore Hongfa on Octopart: the fastest source for datasheets, pricing, specs and availability. Hongfa HFD27/S: available from 2 distributors. Explore Hongfa on Octopart: the fastest source for datasheets, pricing, specs and availability. Minimum Quantity, 1 piece(s). Packing Unit, 25 piece(s). Master Carton, piece(s). Gross weight, kg. Customs Number, Only for registered user.

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HONGFA PCB Relays Series HFD27

Posted by Tux Think at 4: Connect pin 4 to 5v pin on Arduino board. Connect pin 4 to fhd27 pin on Arduino board.

Which means the arm of the switch is connected between 4 and 6 by default and when a pulse is given to the relay the arm moved from 6 to 8, thus disconnecting 6 and connecting 4 to 8.

The following figure shows the wiring diagram for the HFD Now load the following program into the board. Apple Guy December 5, at 7: Connect pin 16 and cathode of the LEDs to a common point and connect the common point to the ground pin on the Arduino board.

In the post we will see the basics of using the HFD27 relay using the Arduino uno board. I have a question and i’m not sure if your still monitering this post but i am using this exact same relay with an uno and i want to use it to controll an Hvac system so my question is if i am using the 2 leads from the hvac system and they need to be connected togather would it only be pin 1 and 16 that are connected to the arduino?

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Hongfa HFD27 Series 2A DPDT 5V PCB Mount Sensitive Subminiature DIP Relay

The pins 1 and 16 are the pins where we need to give the trigger pulse. Newer Post Older Post Home. The following figure shows the wiring diagram for the HFD The same it true for the pins 13,11 and 9 respectively.

Hfd2 same it true for the pins 13,11 and 9 respectively.

EEE World: Basics of connecting HDF27 relay using

Thus we have two relays in the HFD27 but both are controlled by the same trigger signal. I have a question and i’m not sure if your still monitering this post but i am using this exact same relay with an uno and i want to use it to controll hvd27 Hvac system so my question is if i am using the 2 leads from the hvac system and they need to be connected togather would it only be pin hfs27 and 16 that are connected to the arduino?

Connect pin 16 and cathode of the LEDs to a common point and connect the common point to the ground pin on the Arduino board. Now load the following program into the board.

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Thus we have two relays in the HFD27 but both are controlled by the same trigger signal.

The pins hfd277 and 16 are the pins where we need to give the trigger pulse. Posted by Tux Think at 4: Among the three pins 4,6,8 4 and 6 are normally closed that is 4 is be default connected to 6 and when the triggering signal or pulse is given to pin1 the connection between 4 and 6 is broken. 005-e the three pins 4,6,8 4 and 6 are normally closed that is 4 is be default connected to 6 and when the triggering signal or pulse is given to pin1 the connection between 4 and 6 is broken.

In the post we will see the basics of using the HFD27 relay using the Arduino uno board. Newer Post Older Post Home.

A relay is used to connect or disconnect a circuit based on a trigger signal. A relay is used to connect or disconnect a circuit based on a hffd27 signal. Apple Guy December 5, at 7: Which means the arm of the switch is connected between 4 and 6 by default and when a pulse is given to the relay the arm hfe27 from 6 to 8, thus disconnecting 6 and connecting 4 to 8.