MakerFocus Raspberry Pi Expansion Board 4 Channel Relay Board Module Power Relay Module for Raspberry Pi 4B/3 Model B+/Raspberry Pi 3/2 Model B (No Programming Required/Programmable)
- The product operation guide can be obtained in the product guide and document. This Raspberry Pi expansion board supports Raspberry P.
- The Relay Board gives your Raspberry Pi board the ability to control high voltage/high current devices, and easily makes normal home appliances become intelligent. Can be accessed programmatically or directly by shell. Up to 4 layers can be stacked..
- Switch the I2C address of the device through the DIP switch on the circuit board to ensure that the four-layer module gets different addresses, thus avoiding the problem of address duplication..
- The 4 Channel Relay uses high-quality relay modules combined with the most popular microcontroller technology to communicate with the Raspberry Pi. You can use mulitiple relay modules stacked together to add many channels.
- The 4 Channel module is very fast, easy to install, and supports multi-language development, making it ideal for smart home projects.