+ 3.3V interface
```
+Key Matrix
+----------
+
+ | |0 |1 |2 |3 |4 |5 |6 |7 |8 |9 |A |B |C |D |E |F |
+ |----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|
+ | 0|Q |W |E |Tab |R |U |T |Y |O |P |[ |I |] | |\ |Del |
+ | 1|1 |2 |3 |Esc |4 |7 |5 |6 |9 |0 |- |8 |= | |BSpc|Ins |
+ | 2| |LWin|LAlt|LCtl| | | |Spc |RAlt| |RCtl| |Fn |Down|Left|Rght|
+ | 3| |Z |X |LSft|C |N |V |B |, |. |/ |M |RSft|Up | | |
+ | 4|A |S |D |Caps|F |J |G |H |L |; |' |K | | |Entr| |
+ | 5| | | | | | | | | | | | | | | | |
+ | 6| | | | | | | | | | | | | | | | |
+ | 7| | | | | | | | | | | | | | | | |
+
Scan
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