The 4 channel 5v interface board was designed as an interface board compatible with Arduino, AVR, PIC, ARM etc. Â It is used to control high voltage, high current load devices. In this relay interface board, each channel requires a 15-20mA driver current. This module is equipped with a high current relay of 10A @250 V AC/10A@ 30V DC. It consists of a standard interface controlled by the microcontroller directly.
This Relay Shield module is controlled directly by a microcontroller through digital IOs with an external 6.5 to 12V DC supply. The 4 onboard control keys are used to control the high voltage without programming. It features four high-quality relays and provides NO/NC interfaces. And 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 or other compatible microcontroller board. In this module, each relay is set to ON/OFF by an optoisolated input controlled by a microcontroller output pin.
This 5V 4-Channel Relay interface board is used to control various appliances and also other equipment which requires a large current. This 5V RELAY is controlled directly by Microcontroller (for Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). This 4 Channel Relay Module provides connections for all 3 terminals of the relay i.e. NO, NC, and COM. There exist 2 LEDs on each relay module in which red indicates the status of the relay and green for power. When the input digital signal switches to high, the relay switched ON (closed), else remains to switch OFF (opened). Moreover, this module is also used to control various applications and equipment with a large current compliant with international safety.
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