5v 4 Channel Relay Module Four-Channel Relay Module

5V 4 Channel Relay Module contains four 5V relays and the associated switching and isolating components, which makes interfacing with a microcontroller or sensor easy with minimum components and connections.

The contacts on each relay are specified for 250VAC and 30VDC and 10A in each case, as marked on the body of the relays. 

4 Channel Relay Module provides a solution for controlling high current devices that cannot be controlled by the Arduino’s Digital I/O pins due to their current and voltage limits.

5V 4 Channel Relay Module features four high quality relays and provides NO/NC interfaces, four dynamic LED indicators to show the on/off state of each relay, and the standardized shield form factor to provide a smooth connection to the Arduino/Seeeduino board or other Arduino compatible boards.

Specifications

• Supply voltage – 3.75V to 6V
• Trigger current – 5mA
• Current , relay is active – ~70mA (single), ~300mA (all four)
• Relay maximum contact voltage – 250VAC, 30VDC
• Relay maximum current – 10A

Components Present on A 5V 4 Channel Relay Module

5V relay, terminal blocks, male headers, transistors, optocouplers, diodes, and LEDs.

Applications

• Switching mains loads
• Home automation
• Battery backup
• High current load switching

Understanding 5V Four-Channel Relay Module

4 Channel Relay Module pinout

5v 4 channel relay module Arduino wiring

5v 4 Channel Relay Module circuit diagram

How To Use The 5V 4 Channel Relay Module

4-Channel relay module connection

The four-channel can be used to switch multiple loads at the same time since there are four relays on the same module. This is useful in creating a central hub from where multiple remote loads can be powered.

It is useful for tasks like home automation where the module can be placed in the main switchboard and can be connected to loads in other parts of the house and can be controlled from a central location using a microcontroller.

In this diagram, four separate loads (represented by lightbulbs) have been connected to the NO terminals of the relay. The live wire has been connected to the common terminal of each relay.

When the relays are activated, the load is connected to the live wire and is powered. This setup can be reversed by connecting the load to the NC terminal that keeps it powered on till the relay is activated.

Four-Channel Relay Module Pinout

Alternate Relay Modules

Single-channel relay module, dual-channel relay module, eight-channel relay module.

Alternate Modules

SCRs, TRIACs, Solid State Relay module.

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Package:- 

1 x 5V 4 Channel Relay Module Four-Channel Relay Module