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Simply plug this module into the end of a standard breadboard to give dual 5 volt and or 3.3 volt rails.
₨170
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The 4 Channel Relay Module has numerous applications, including:
Isolation: The relay provides electrical isolation between the low-voltage control side (Arduino) and the high-voltage load side, ensuring safety during operation.
Easy Integration: The module is designed to be compatible with most Arduino boards. It often comes with clearly labeled pins and can be connected easily using jumper wires.
Indicator LED: Many relay modules feature an LED that indicates whether the relay is activated, making it easier to debug and monitor.
Operating Voltage: Most 1 Channel Relay Modules operate on 5V DC, making them perfect for direct use with Arduino without the need for additional voltage regulation.
RDM6300 125KHz cardreader mini-module is designed for reading code from 125KHz card compatible read-only tags and read/write card. It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy.
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