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3 Channel Relay Board 5A 30V DC Expansion Board Compatible with Raspberry Pi 5/4B/3B+/3B/Zero W/Zero 2W/Pico W/Pico 2W, with Isolated Optocoupler
- The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent. Standard Pi 40PIN GPIO extension header, Compatible with Raspberry Pi 5/4B/3B+/3B/Zero W/Zero 2W/Pico/Pico W/Pico 2/Pico 2W, etc.; High quality relays, loads up to 5A 250V AC or 5A 30V DC.; Photo coupling isolation, prevent interference from high voltage circuit. Onboard LEDs for indicating relays status. Relay control jumper, allows to control the relays by custom pins other than the default pins.; Question:Can multiple RPi Relay Boards be stacked to use together? Answer: Since the relay is too tall to be stacked together, multiple relay modules can be connected via Dupont cables.; Question:Why the control signal is reversed? No response when output high level? Answer: Because the relay is triggered by a low level, the relay pulls in when the output is low.
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