








🛡️ Elevate your circuits with interference-proof precision!
This 1-channel PC817 optocoupler isolation module supports multiple input voltages (3-5V, 12V, 24V) and provides reliable optoelectronic signal isolation to protect circuits from electrical interference. Its compact green PCB design makes it easy to install in space-constrained environments, making it perfect for enhancing digital communication systems through noise reduction and level shifting.



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