Why the in1 to in4 pins have low level trigger. how to switch the pins to high level trigger ?

Low level trigger because of optocoupler used in module.

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Robocraze 4 Channel Relay Module | 5V Optocoupler Relay Board

Robocraze 4 Channel Relay Module | 5V Optocoupler Relay Board

Product ID: 126845113

Details

Connector Type
Screw
Contact Material
Silver
Contact Type
Normally
Current Rating
10 Amps
Mounting Type
Screw Mount

⚡10A high current handling

🔌4 independent relay channels

🛡️Optocoupler isolation for protection

€ 5.90

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🤖 Command your smart world with Robocraze’s 4-Channel Relay Powerhouse!

BULLETPROOF SAFETY - Integrated optocoupler isolation ensures stable operation and protects your circuits.
MULTI DEVICE MASTERY - Control up to 4 AC/DC devices simultaneously with precision and ease.
POWERHOUSE PERFORMANCE - Handles heavy loads up to 10 Amps, perfect for demanding automation tasks.
SMART AUTOMATION READY - Ideal for home automation, robotics, and IoT projects—future-proof your setup now.
PLUG PLAY INTEGRATION - Seamlessly interfaces with Arduino and other microcontrollers for rapid project deployment.

The Robocraze 4-Channel Relay Module is a compact, 5V relay board designed for Arduino-compatible and other microcontroller projects. Featuring four independent relay channels with 10A current capacity, optocoupler isolation for enhanced circuit protection, and easy screw terminal connections, it enables reliable control of high-voltage AC/DC devices. Perfect for DIY automation, robotics, and smart home applications, this module combines robust performance with seamless integration.

Specifications

ASIN	B07S29BN57
Best Sellers Rank	#1,990 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Robotic Kits & Accessories
Brand Name	Robocraze
Coil Voltage	5 Volts
Connector Type	Screw
Contact Current Rating	10 Amps
Contact Material	Silver
Contact Type	Normally Closed
Country of Origin	China
Current Rating	10 Amps
Customer Reviews	4.2 4.2 out of 5 stars (233)
Importer Contact Information	TECHLEADS INDIA MO 7746071920
Included Components	4 Channel Relay
Item Highlight	4-Channel 5V Relay Module \| Optocoupler Isolation \| Arduino Compatible \| Multi-Device Control \| Ideal for Automation & DIY
Item Type Name	4 Channel relay
Item Weight	50 Grams
Manufacturer	Robocraze, TECHLEADS INDIA MO 7746071920
Manufacturer Contact Information	TECHLEADS INDIA MO 7746071920
Maximum Switching Voltage	5 Volts
Minimum Switching Voltage	5 Volts
Model Number	RC-A-41526
Mounting Type	Screw Mount
Number of Items	1
Operation Mode	Automatic
Packer Contact Information	Robocraze 9902340705
Part Number	RC-A-41526
Specification Met	Energy Rating
Unit Count	1.0 Count

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€ 5.90

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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