PCB Assembly LED Board

PCB Assembly LED Board

The laser light spot on the housing marks the short side to which pin 1 is closest (analogous to the previously used notches on ICs) and not necessarily immediately pin 1. Pin 1 is actually always on the bottom left, if you can read the script. On the circuit board, a tiny trace point marks the...

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The laser light spot on the housing marks the short side to which pin 1 is closest (analogous to the previously used notches on ICs) and not necessarily immediately pin 1. Pin 1 is actually always on the bottom left, if you can read the script. 
On the circuit board, a tiny trace point marks the location for pin 1. The double line in placement stress marks the longer side of the chip where pin 1 is located. 


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