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ALAMSCN 16 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Smart Control Switch auspowers_batchone 2000 Sampling Speed: 3 times B0FPTZLZCJ 2000 Sampling Speed: 3 times per second LCD Size: 35 x 25mm Range Selection: Auto or Manual Polarity Indication: “ ” Automatically displayed Overload Indication: “OL” Displayed Low Battery Indication Working Environment: 32°F~104°F (0°C~40°C) up scales or down scales HDMI signal into multiple resolution Component signals ALAMSCN 16 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Smart Control Switch The control pin has a pull down circuit to prevent malfunction relay vacant
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