5V 12V 4-Channel Relay Module with Optocoupler Relay 4 Channel Relay Board AVR 51 PIC Relay Module Shield for Arduino. With its fixed screw hole positions, it's easy to install and ideal for 51/AVR/AVR/ARM and other platforms.
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Main chip: NE555. Turn on the power relay delayed absorption. With relay suction indicator light. With relay current protection. Type: Module. Origin: Mainland China. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
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16 Channel Relay Module Trigger Board 12V LM2576 Relay Module Smart Expansion Board with Optocoupler Electronic Components. Each relay also features normally closed and normally open ports. With indicator lights for relay actions, you can easily monitor the status of each channel.
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1/2/4/8 Channel Relay Switch Module with Optocoupler 5V 12V 24V Relay Module Board Shield with Indicator Light Support High Low Level Trigger for Arduino. User-Friendly Design: With its jumper settings for high or low trigger levels, fault-tolerant design, power and relay status indicators, and easy-to-use interface, our relay module is designed with the user in mind.
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Optional: 5V.
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Expand the capabilities of your project with ease. Low Power Consumption Design : Designed with low power consumption in mind, this wireless smart relay module effectively reduces energy consumption.
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Expand the capabilities of your project with ease. Relay type: 5V relay. Low Power Consumption Design : Designed with low power consumption in mind, this wireless smart relay module effectively reduces energy consumption.
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