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SAP-Plus Output Register

TomNisbet·sap-plus·schematics/output/output.kicad_pcb

SAP-Plus Output Register PCB layout, top view — open source board by TomNisbet

About the SAP-Plus Output Register PCB

SAP-Plus Output Register is an open source PCB design by TomNisbet, published on GitHub under the MIT license. It is a 2-layer board measuring 102 × 96 mm, with 36 components from 18 distinct parts.

Other key parts include the 74LS377, 74LS161, 74LS138, 28C256 and NE555P. By type, the board carries 13 resistors, 9 ICs, 6 capacitors, 4 connectors, 2 switches and 1 diode.

From the project

Simple As Possible (SAP) 8-bit computer with a modular PCB design

Main components on the SAP-Plus Output Register

74LS37774LS16174LS13828C256NE555PD148K

SAP-Plus Output Register bill of materials (BOM)

36 components, 18 distinct parts.

QtyPartRefs
1
74LS377
U1
1
74LS161
U2
1
74LS138
U3
1
28C256
U4
1
NE555P
U5
4
D148K
U6, U7, U8, U9
2
Bus
J1, J2
1
P27
J3
1
P1
J4
1
1M
RV1
2
SW_SPDT
SW1, SW2
1
WRITE
D1
4
0.1uF
C1, C2, C3, C4
2
0.01uF
C5, C6
8
R_SEG
R1, R2, R3, R4, R5, R6, R7, R8
2
10K
R9, R10
2
1K
R11, R12
1
R_RED
R13

SAP-Plus Output Register design files

The KiCad project lives in the TomNisbet/sap-plus repository on GitHub; these links point at the commit this page was built from.

SAP-Plus Output Register: common questions

How big is the SAP-Plus Output Register PCB?

The SAP-Plus Output Register measures 102 × 96 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the SAP-Plus Output Register?

36 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the SAP-Plus Output Register design files?

From the TomNisbet/sap-plus repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the SAP-Plus Output Register design in my own project?

Yes, under the terms of its MIT license, which TomNisbet chose for the repository.

More boards in sap-plus