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The DollaTek PC817 4-Channel Optocoupler Isolation Board is a versatile voltage converter module designed for isolation control and voltage conversion, supporting input voltages from 3.6V to 24V and output voltages up to 30V. With strong anti-interference capabilities, it is ideal for driving high-power components and low-power relays, making it a must-have for both DIY enthusiasts and professional engineers.
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