HardLabs

Control rev3

PaulStoffregen·O_C_T41·hardware/control_rev3/control_rev3.kicad_pcb

Control rev3 PCB layout, top view — open source NXP board by PaulStoffregen

About the Control rev3 PCB

Control rev3 is an open source NXP PCB design by PaulStoffregen, published on GitHub. It is a 2-layer board measuring 48.3 × 105.4 mm, with 127 components from 52 distinct parts.

Its main chip is the TEENSY41, from the NXP family. Other key parts include the LMR54406F, LP2985A-5.0, TPS7A2033, LP5907-1.8 and MCP33131D. By type, the board carries 46 capacitors, 45 resistors, 16 ICs, 8 connectors, 6 diodes and 3 inductors.

It belongs with the audio designs in this gallery.

From the project

Ornament and Crime Optimized With Teensy 4.1

Check out SynthDad's What's New and Improved video for demo of O_C T4.1 capability.

This repository is for DIY builders and engineers who wish to extend this open source design. For products you can simply buy, scroll down to Commercial Productsbelow.

While porting the Ornament and Crime code to run on Teensy 4, the question kept coming up "what can a 600 MHz processor let me do". Turns out the extra memory allows Phazerville firmware to support all applets in a single image. But the original hardware designed for Teensy 3.2 limits what Teensy 4.0 can do. The necessity to share a single SPI…

Control rev3, from the project README
From the project README

Main components on the Control rev3

TEENSY41LMR54406FLP2985A-5.0TPS7A2033LP5907-1.8MCP33131D74LV4051DAC856874LV1T125PCM1808PCM1754OPA2277H11L1

Control rev3 bill of materials (BOM)

127 components, 52 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TEENSY41
U12
1
LMR54406F
U13
1
LP2985A-5.0
U14
1
TPS7A2033
U15
1
LP5907-1.8
U16
1
MCP33131D
U17
1
74LV4051
U18
1
DAC8568
U19
4
74LV1T125
U20, U21, U22, U23
1
PCM1808
U24
1
PCM1754
U25
1
OPA2277
U26
1
H11L1
U27
2
FDV303N
Q1, Q2
2
Conn_02x07
J28, J29
2
Conn_01x16
J30, J31
1
Conn_02x05_Odd_Even
J32
1
MIDI
J33
1
Conn_02x02_Odd_Even
J34
1
QWIIC
J38
Show 32 more
QtyPartRefs
1
100mA
F1
1
HD01-T
D1
1
5.1V 3W
D2
2
5.1V
D3, D4
1
1N4148W
D5
1
BZT52B5V1S
D6
1
600Ω @100MHz
L1
1
10uH
L2
1
1.5uH
L3
18
0.1uF
C52, C53, C54, C55, C56, C57, C58, C59 +10
5
1uF
C69, C70, C71, C72, C73
7
10uF
C74, C75, C76, C77, C78, C79, C80
10
680pF
C81, C82, C83, C84, C85, C86, C87, C88 +2
1
10nF
C91
1
22pF
C92
1
10uF Tantalum
C93
3
22uF
C95, C96, C97
15
100Ω
R103, R104, R105, R106, R107, R108, R109, R110 +7
1
220
R118
1
470
R119
3
4.7K
R120, R122, R123
2
4.7K 1%
R121, R124
1
11K 1%
R125
1
5.11K 1%
R126
2
22K 1%
R127, R128
2
150K 1%
R129, R130
2
1K
R131, R132
5
10K 0.05%
R133, R134, R135, R136, R137
1
20K 0.05%
R138
5
75Ω ¼W
R139, R140, R141, R142, R143
1
0Ω
R144
3
None
R200, R201, R202

Control rev3 design files

The KiCad project lives in the PaulStoffregen/O_C_T41 repository on GitHub; these links point at the commit this page was built from.

Control rev3: common questions

What microcontroller does the Control rev3 use?

The Control rev3 is built around the TEENSY41, from the NXP family.

How big is the Control rev3 PCB?

The Control rev3 measures 48.3 × 105.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Control rev3?

127 components, from 52 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 Control rev3 design files?

From the PaulStoffregen/O_C_T41 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Control rev3 design in my own project?

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

Can I test firmware for the Control rev3 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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