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8% Dimension 54x23x18mm
This is a unidirectional electret microphone with high sensitivity
the other data which reshaping by the internal signal reshaping amplification circuit is sent to the next cascade pixel through the DO port
Max 8 Bit Digital Timers
12V 8 Channel Relay Module with Optocoupler 4K7 8% Dimension 54x23x18mmThis is an 8 channel relay board that runs on 12 volts. Any microcontroller or other control system circuits can be used to control loads rated up to 250V 10A AC directly. Each relay has three connections: Common (C), Normally Open (NO), and Normally Closed (NC), all of which are connected to three pin screw terminals, making it simple to connect and disconnect. To make debugging easier, the board incorporates a power indicator and a relay status LED.
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