8-CH 12V ULN2003 Based Relay Board-Robocraze

Robocraze BEST PRICE GUARANTEED

Buy 8 Channel 12V Relay board with ULN2803 based module - Elementz Online in India | Robocraze

Name: 8-CH 12V ULN2003 Based Relay Board
Brand: Robocraze
SKU: DTIFRL0021
Price: 409 INR
Availability: OutOfStock
Rating: 5.0 (5 reviews)

8-CH 12V ULN2003 Based Relay Board

Rs. 409; ~~Rs. 518~~; Rs. 409
Unit price: per

Incl. GST (No Hidden Charges)

Please hurry! Only 0 left in stock

We’ll notify you once the product is back in stock.

Quantity:

SKU: DTIFRL0021

The board has EIGHT relays which works on 12V
Output working at 3V or 5V to control relays.
Each relay can switch a variety of AC or DC high voltage
High current loads working at 110V or 220V AC mains like lights, fans, motors etc.

BEST COUPON

RC100

COPY CODE

When you shop for ₹ 2,500 required. Applicable at Checkout.
*Coupons are not applicable on Original Boards and Kits

Why Buy From Robocraze

Free shipping on Orders Above Rs 499/-

Technical Support & Easy Returns

Same Day Shipping

Earn RC Coins on Every Purchase

Cash on Delivery Available

Bulk Order?

For Best Price Contact on WhatsApp for bulk discounts!
Or Fill the Form Below

Submit your Bulk Enquiry Here

First Name*

Last Name*

Email*

Phone*

Quantity*

Company

Comments

Enter the Captcha

Reload

8-CH 12V ULN2003 Based Relay Board

~~Rs. 518~~ Rs. 409

Quantity:

8-CH 12V ULN2003 Based Relay Board

~~Rs. 518~~ Rs. 409

Description
Specifications
FAQ
Shipping & Return

Description

8-CH 12V ULN2003 Based Relay Board

The 8-CH 12V Relay can control any device just like a switch contact. Its contact is isolated from the driven circuit. Features: LED Indication of Relay ON. Power Indication LED. ULN2803 Relay Driving IC. ON/OFF Power Switch. Direct input from 3-5V Microcontroller for relay control. Output terminal for relay contacts. Provision of the male header for wire connection. Powered from external 12V or from the male header. Contact Rating: 5A at 240V AC

Note: It is important that the microcontroller share ground with the relay board along with other control signals else it will not able to control the relay.

Specifications

Package Includes:

1 x 8-CH 12V ULN2003 Based Relay Board

Specifications:

Number of Channels	8
Operating Voltage	1V
Board Type	ULN2003 Based Relay Board
Dimensions	160 x 50 x 18mm
Weight	15 grams

FAQ

1. What are the applications of 8 channel relay module?

The 8-channel relay is isolated, safe, reliable, and anti-interference. 8 channel relay is widely used for all MCU control, industrial field, PLC control and smart home control. It can be directly connected to and controlled by microcontrollers such as Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic.

2. How does a 8 channel relay work?

The 8-channel relay module includes eight 5V relays and associated switching and isolation components, making it easy to connect to a microcontroller or sensor with a minimum of components and connectors. Each relay on the board has the same circuitry and the input ground is common to all eight channels. The electromagnet is activated by another low power signal from the microcontroller. When activated, the electromagnet is attracted to open and close the circuit.

3. How to connect an relay to Arduino?

It's very easy to connect the 4 relay modules to the Arduino and you can control many devices through the Arduino including AC and DC. In this example, we will connect a simple load like an LED to the output of the relay and drive it with the Arduino. First, connect the Arduino's 5V to the 4-relay module's VCC, and the Arduino's ground to the 4-relay module's ground. Next, we need to connect the communication pins IN1, IN2, IN3 and IN4 to the Arduino data pins 7, 6, 5 and 4. A 3V battery is used to light the LED. So I connected the positive side of the battery to the positive side of the LED, the negative side to the COM of each relay, and the NO to the negative side of the LED.

Shipping & Return

Shipping Policy

All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.

Return & Refund Policy

Return window: 7 days from receipt unless stated otherwise.
No refunds or replacements after the return window.
Returns are accepted only for non-working or damaged products.
Initiate return requests via a Support ticket or contact us at +91-8123057137.
Refunds are processed within 3–4 working days after inspection and approval.

All Categories

Buy 8 Channel 12V Relay board with ULN2803 based module - Elementz Online in India | Robocraze