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U O C flat

seismicindustries·u_O_C_flat

U O C flat PCB layout, top view — open source NXP board by seismicindustries

About the U O C flat PCB

U O C flat is an open source NXP PCB design by seismicindustries, published on GitHub. It is a 2-layer board measuring 40 × 108 mm, with 107 components from 32 distinct parts.

Its main chip is the Teensy3.2, from the NXP family. Other key parts include the DAC8565, MP1469, AP2210N-3.3TRG1_/_SOT23-3, MCP6004 and TL074. By type, the board carries 46 resistors, 29 capacitors, 6 ICs, 4 transistors, 3 inductors and 2 switches.

From the project

the Ornament & Crime from mxmxmx - but small n flat so it fits my system

with the same formfactor as the uOC but different placement of the encoders and buttons

also the linear regulator has been replaced by a MP1469 regulator.

-> so far the design is untested. i made some PCB but i don't have my display yet...

U O C flat, from the project README
From the project README

Main components on the U O C flat

Teensy3.2DAC8565MP1469AP2210N-3.3TRG1_/_SOT23-3MCP6004TL074

U O C flat bill of materials (BOM)

107 components, 32 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Teensy3.2
U1
1
DAC8565
U2
1
MP1469
U3
1
AP2210N-3.3TRG1_/_SOT23-3
U4
1
MCP6004
U5
1
TL074
U6
4
MMBT3904
Q1, Q2, Q3, Q4
1
CONN_02X05
J1
12
JACK_QINGPU
CV1, CV2, CV3, CV4, CVA1, CVB1, CVC1, CVD1 +4
2
Rotary_Encoder_Switch
SW3, SW4
2
SW_PUSH_SMALL_H
SW_BOT1, SW_TP1
1
Display128x64OLED
G1
1
LM4040xx
D1
2
100n
L1, L2
1
6u8
L3
3
22u
C1, C2, C4
3
1u
C3, C10, C14
10
100n
C5, C7, C8, C11, C12, C15, C26, C27 +2
1
10u
C6
8
470n
C9, C13, C16, C17, C18, C19, C20, C21
Show 12 more
QtyPartRefs
4
22p
C22, C23, C24, C25
13
100k
R1, R12, R14, R16, R18, R23, R24, R35 +5
6
75k
R2, R5, R11, R13, R15, R17
1
40k2
R3
1
7k68
R4
1
2k
R6
2
510
R7, R8
2
47k
R9, R10
8
33k
R19, R20, R21, R22, R29, R30, R41, R42
4
100
R25, R26, R27, R28
4
24k9
R31, R32, R33, R34
4
220
R43, R44, R45, R46

U O C flat design files

The KiCad project lives in the seismicindustries/u_O_C_flat repository on GitHub; these links point at the commit this page was built from.

U O C flat: common questions

What microcontroller does the U O C flat use?

The U O C flat is built around the Teensy3.2, from the NXP family.

How big is the U O C flat PCB?

The U O C flat measures 40 × 108 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the U O C flat?

107 components, from 32 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the U O C flat design files?

From the seismicindustries/u_O_C_flat repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the U O C flat design in my own project?

The repository has no license, so all rights stay with seismicindustries. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the U O C flat without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.

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