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the other data which reshaping by the internal signal reshaping amplification circuit is sent to the next cascade pixel through the DO port
These are Metal Film Resistor with a value of 13k ohm 1/4W and tolerance of ±1%
This is a unidirectional electret microphone with high sensitivity
The resistance between the outer two pins is always 1K
More than 100
12V 8 Channel Relay Module with Optocoupler 4K7 the other data which reshapingThis 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.