A-1 Form A,C-1 Form C. Ag Alloy. 1AAVAC/24VDC 10A VAC. 1CA VC/24VDC,10A/ 6A VAC. TV VAC/24VDC. 15A. 1,VA,W. S. Coil Voltage. DC5V. -. -. Coil Sensitivity: Blank – Standard (mW) Important Notice: This data sheet and its contents (the “Information”) belong to the. HKE HRS4H-S-DC5V datasheet, Relay (1-page), HRS4H-S-DC5V datasheet, HRS4H-S-DC5V pdf, HRS4H-S-DC5V datasheet pdf, HRS4H-S-DC5V pinouts.

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Interface GPS with Arduino. WhatRoughBeast 49k 2 28 A simple low side NPN switch is usually the easiest way to control a relay from a digital output.

Choosing Battery for Robots. Relay is an electromagnetic device which is used to isolate two circuits electrically and connect them magnetically. By dwtasheet “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy hrw4h and cookie policyand that your continued use of the website is subject to these policies.

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Your Hds4h most likely can’t drive that relay directly. If you don’t have an Arduino, you obviously don’t have an Arduino pin 7 to drive the relay.

The input section has a coil which generates magnetic field when a small voltage from an electronic circuit is applied to it. Skip to main content.

When the operating voltage is applied the relay coil gets energized and the COM changes contact to NO. You have made an understandable mistake. You should not attempt to drive the relay directly from a microcontroller output pin, as they can’t provide enough current – you would use a micro output pin to control a transistor, which in hhrs4h would drive the relay.


Get inner details about structure of a relay switch. In a basic relay there are three contactors: The relays in the link you provided do not have a Vcc connection, and they have only 5 pins. The resistance between each of these pins and any of the other three will be infinite.

I have googled with first result as a part’s datasheet with exact pinout. There are many questions here already on that topic, so no need to repeat the details in this answer. All you have there is a base relay. Arduino based GPS receiver. SPI Module of Arduino.

Guessing from the layout of the pins shown in your picture, the coil pins are the two at right. Your relay has 5 pins, which hrz4h almost certainly the two connections to the coil, and the common COMnormally-open NOand normally-closed NC connections of the switch. They are very useful devices and allow one circuit to switch another one while they are completely separate.

This guess is based on the fact that there are two of them grouped separately from the others. The output section consists of contactors which connect or disconnect mechanically. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

find VCC, GND and IN in relay – Electrical Engineering Stack Exchange

What is the problem? It may be that you are connecting it to the power supply ground that also connects to the Arduino, but in that case you are, in fact, electrically connecting it to the Arduino. Jun 1 ’15 at The VCC input provides power for the drivers and the relay coils. By using proper combination of contactors, the electrical circuit can be switched on and off. Relays are sometimes used for their electrical isolation between their input the coil and their output the switch contacts.


They are often used to interface an electronic circuit working at a low voltage to an electrical circuit which works at very high voltage. What is Web Browser. So the module as a whole has 10 pins.

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Commonly used relays are available in different configuration of operating voltages like 6V, 9V, 12V, 24V etc. This will often tell you the voltage or current the coil requires to activate the switch, and what the switch is rated for.

That module you saw probably has at the very least a transistor included to actually drive the relay. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The NO pin will have infinite reistance to all other pins.

Home Questions Tags Users Unanswered. Thus a small sensor circuit can drive, say, a fan or an electric bulb.

Interface SD Card with Arduino. As such, there is often a larger physical distance between these two sets of pins.