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Project description
A first effort at designing a PCB with some very tightly constrained case engineering
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Component (24)
Qty
Description

1N4148
D11, D16, D22, D14, D3, D9, D12, D18, D13, D20, D2, D8, D7, D10, D5, D27, D17, D26, D6, D4, D15, D21, D19, D28
24
1N4148 Diode

LED
D29
1
Generic LED

SJ-43514
U78
1
3.5mm TRRS barrel connector (4 conductor)

MX1AE1NN
U61[2:1], U72[6:4], U54[2:0], U56[4:0], U53[1:0], U63[0:1], U69[5:2], U71[6:1], U67[3:2], U59[4:1], U52[0:0], U55[3:0], U66[2:2], U62[1:1], U60[3:1], U92[3:4], U64[0:2], U73[5:4], U58[5:1], U65[1:2], U70[6:2], U57[5:0], U74[4:4], U68[4:2]
24
Cherry MX mechanical keyswitch, no diode, no mounting pins ("tray mount")