QuadSMC
About the QuadSMC PCB
QuadSMC is an open source PCB design by RobertPHeller, published on GitHub under the CC-BY-4.0 license. It is a 2-layer board measuring 69.9 × 101.6 mm, with 56 components from 20 distinct parts.
Other key parts include the MCT6H, 74AHCT00 and LM324N. By type, the board carries 31 resistors, 6 ICs, 6 transformers, 6 diodes, 4 capacitors and 2 transistors.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
A collection of circuit designs for various MCUs, not just Raspberry Pis relating to Model Railroading
This is a generic quad verison of SMCSenseHAT.
Main components on the QuadSMC
QuadSMC bill of materials (BOM)
56 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | MCT6H | DIP-8__300 | IC1, IC2 |
| 2 | 74AHCT00 | DIP-14__300 | U1, U2 |
| 2 | LM324N | DIP-14__300 | U3, U4 |
| 2 | MPQ3725A | DIP-14__300 | Q1, Q2 |
| 1 | — | RPi_Hat_Mounting_Hole | H2 |
| 1 | GPIO | ScrewTerm_2.54-10 | T0 |
| 1 | Motor 1 | ScrewTerm_2.54-5 | T1 |
| 1 | Motor 2 | ScrewTerm_2.54-5 | T2 |
| 1 | Motor 3 | ScrewTerm_2.54-5 | T3 |
| 1 | Motor 4 | ScrewTerm_2.54-5 | T4 |
| 1 | Motor Power | ScrewTerm2.54-2 | T5 |
| 2 | 1N5229B | D3 | D1, D6 |
| 4 | 1N4002 | D3 | D2, D3, D4, D5 |
| 2 | .1 uf | C1 | C1, C2 |
| 2 | 1 uf 35V | C1V5 | C3, C4 |
| 1 | 10K Ohms | SIL-9 | R1 |
| 4 | 270 Ohms | R1 | R2, R3, R4, R5 |
| 4 | 100 Ohms | R1 | R6, R7, R8, R9 |
| 14 | 1K Ohms | R1 | R10, R11, R12, R13, R14, R15, R16, R17 +6 |
| 8 | 470 Ohms | R1 | R24, R25, R26, R27, R28, R29, R30, R31 |
QuadSMC design files
The KiCad project lives in the RobertPHeller/RPi-RRCircuits repository on GitHub; these links point at the commit this page was built from.
QuadSMC: common questions
How big is the QuadSMC PCB?
The QuadSMC measures 69.9 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the QuadSMC?
56 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the QuadSMC design files?
From the RobertPHeller/RPi-RRCircuits repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the QuadSMC design in my own project?
Yes, under the terms of its CC-BY-4.0 license, which RobertPHeller chose for the repository.
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