This amazing 8-channel relay module is a great choice for controlling lighting, electrical, and other equipment. Its modular design allows for easy expansion with Arduino boards or other MCU boards like PIC, ARM, and MSP430. The relay output state is indicated by a light-emitting diode. The drive current is 20mA, and it supports 5V/12V/24V TTL level control signals. It can handle a maximum switching voltage of 250VAC and 30VDC, with dimensions of 91mm*57mm*15mm. For schematics and more information, visit the ElecFreaks wiki page. Your help in improving the documents, adding demo code, or tutorials is highly appreciated.
Using this 8-channel relay module is quite simple. First, connect it to your Arduino board or other compatible MCU boards like PIC, ARM, or MSP430. The modular design makes the connection process easy. Then, you can use it to control lighting, electrical, and other equipment. Just make sure the control signal you provide is within the 5V/12V/24V TTL level range. When using it, be aware of the maximum switching voltage of 250VAC and 30VDC. Don't exceed this limit to avoid damage to the module. As for maintenance, keep it in a dry and clean environment. If you want more detailed information about the module, visit the ElecFreaks wiki page.
