4ch Remote Relay switch 12V DC

 You will learn the pros and cons instructions on how to set it up control this and schematic remote relay module.

My view on 12V 4Ch relay

The module has good workmanship, the components on the PCB are nicely soldered.The relay modules are from the Songle brand, I have good experience with them. Modes are set using a three-pole jumper, this is probably the best solution, you don’t have to solder anything or look for a mode by pressing a button.

Relay operation is signaled by one blue LED, this is for all four relay modules, it could be better if each relay module had its own signaling LED.The output screw terminals are marked 1-2-3, it would be better if their manufacturer marked NC-COM-NO, this marking better describes the condition of the relay.

The relay can also switch other than the supply voltage, for example 110V or 24V (be careful, the power supply from the source must always be 12V)

Complete board with 4x relay

Pros

  • Stable work
  • Good dimensions
  • Easy setup

Cons

  • There is no LED signaling for each relay
  • 1-2-3 the designation could be NC COM NO

Verdict:

Is good reliable module with separate control relay by remote control is suitable for wireless control of devices such as various electric motors, switching on, switching off the light, switching on the electrical circuit, opening the electrical circuit, for example electric garage doors, doors, curtains. It provides the possibility of programming a suitable switching mode of the relay contacts, which increases its utility value.

Instruction:

Clearing All Stored Transmitters:

Push the learning button on the receiver 8 times , and the codes will be cleared .

After clearing the stored transmitters, all transmitters will need to be relearned by the receiver.

Learning button

1. Learning the remote control

Press the learning key on the receiver 1 times, Wait for a moment , the LED will be off , it comes into learning state .Press the remote button , LED indicator on the receiver board will flash then come off .After 3 seconds, the LED indicator will be on again , learning successfully .

2.Learning the transmitter JUMPER setings

Using a three-pole jumper, Jumper and clamp for connecting pins

First mode is clasic on off mode when you touch A button relay is closed , When you touch A button againg relay is open. Jumper connect pin 1 and 2. (A is for relay 1,B is for relay 2 …)

Second mode is when you touch A relay 1 is closed and relay 2 is open, when you touch B relay 2 is closed and relay 1 is open. Jumper connect pin 2 and 3.

Indicating LED Jumper switch

Learning state:

Press the remote button , LED indicator on the receiver board will flash then come off .

After 3 seconds, the LED indicator will be on again , learning successfully .

3.Learning the transmitter : ( Latched Mode )

Note: When you choose for Interlocking mode , in order to learn more remote control , you need to learn

two different button , the first time learn is for “ON”, the second time learnt for “OFF”.

For example : button A = ON , button B = OFF

Push the learning key on the receiver 3 times , the LED (on the Receiver)will blink 3 times. When the LED is

on, press the button of the remote control(You want to let it learn), Push the remote button A, LED flash for

3 times . Push the remote button B, Led flash for 3 times . After 3 seconds , the LED indicator will be off ,

Learning to succeed.

Technical parameters:

  • Input Power:DC12V
  • RF Frequency: 433Mhz
  • Standby Current:5mA
  • Match Mode:1527 code
  • Receiver sensitivity: -104dbm
  • Remote Distance: 50-80m
  • Operation mode:Momentary Mode,Toggle Mode,Toggle Mode
  • Output : NO , NC , COM
  • Modulation mode: ASK
  • Working temperature:-15 ~ +75°C

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