2 Channel 5V Relay Module BK_RL2_01

This is an amazing two-channel relay module that's perfect for controlling lighting, electrical, and other equipment. Its modular design makes it a breeze to expand with Arduino boards or other MCU boards like PIC, ARM, and MSP430. The relay output state is indicated by a light-emitting diode. Here are the key specs: Drive current is 20mA. Control signal supports 5V/12V/24V TTL level. Maximum switching voltage is 250VAC and 30VDC. Dimensions are 35mm*50mm*15mm. For more information about this product, please visit the ElecFreaks wiki page. Your help in improving the documents, adding more demo code or tutorials would be highly appreciated.

Using this two-channel 5V relay module is easy. First, connect it to your Arduino board or other supported MCU board according to the modular design. Then, you can use it to control lighting, electrical, and other equipment. When using it, make sure the control signal is within the 5V/12V/24V TTL level range. The maximum switching voltage is 250VAC and 30VDC, so don't exceed these limits. As for maintenance, keep it in a dry and clean place. If you want more details, visit the ElecFreaks wiki page.