Modular-Control-Module

Roth-Amplification-Ltd·Modular-Control-Module·PCB/Modular-Control-Module/Modular-Control-Module.kicad_pcb

About the Modular-Control-Module

Modular-Control-Module is an open source RP2040/RP2350 PCB design by Roth-Amplification-Ltd, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 59 × 49.4 mm, with 39 components from 14 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the TEMPLATE. By type, the board carries 14 capacitors, 12 resistors, 2 ICs, 2 switches, 1 crystal and 1 connector.

From the project

Modular-Control-Module or MCM is the Encoder + Button board inside all Roth Amplification pedals.

The Modular Control Module, or MCM, is the reusable encoder-and-button control board used inside Roth Amplification pedal designs. It combines six panel-mounted rotary encoders with an onboard RP2040 microcontroller and a compact host interface so pedal projects can share the same physical control surface and input-processing hardware.

- RP2040 microcontroller - Six Bourns PEC11L incremental rotary encoders with integrated push switches - USB-C connection for power, programming, and RP2040 USB data - External QSPI flash supporting RP2040 boot and program storage - SWD programming and…

Main components on the Modular-Control-Module

TEMPLATE RP2040

Modular-Control-Module bill of materials (BOM)

39 components, 14 distinct parts.

Qty	Part	Footprint	Refs
1	TEMPLATE Winbond Electronics	PSON50P300X200X60-9N	U1
1	RP2040	QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm	U2
1	ABM8G-12.000MHZ-18-D2Y-T Abracon LLC	XTAL_ABM8G-12.000MHZ-18-D2Y-T	X1
1	DX07S016JA1R1500 JAE Electronics	JAE_DX07S016JA1R1500	J2
6	PEC11L-4220F-S0015 Bourns Inc.	PEC11L-4xxxF-Sxxxx_BRN	EN1, EN2, EN3, EN4, EN5, EN6
2	B3U-1000P Omron Electronics Inc-EMC Div	B3U-1000P	SW1, SW2
1	5051101092 Molex	CON_5051101092_MOL	T1
11	C0402C104K9PACTU KEMET	R0402	C1, C3, C5, C6, C8, C9, C10, C11 +3
2	GCM1555C1H180GA16D Murata Electronics	C0402	C2, C4
1	CC0603KRX5R7BB105 Yageo	C0603	C7
1	RT0603BRD071ML YAGEO	R0603	R1
7	RC0402FR-071KL Yageo	R0402	R2, R7, R8, R9, R10, R11, R12
2	RC0402FR-0710KL Yageo	R0402	R3, R6
2	RC0402FR-075K1L YAGEO	R0402	R4, R5

Modular-Control-Module design files

The KiCad project lives in the Roth-Amplification-Ltd/Modular-Control-Module repository on GitHub; these links point at the commit this page was built from.

Modular-Control-Module: common questions

What microcontroller does the Modular-Control-Module use?

The Modular-Control-Module is built around the RP2040, from the RP2040/RP2350 family.

How big is the Modular-Control-Module?

The Modular-Control-Module measures 59 × 49.4 mm, has 4 copper layers and is 1.567 mm thick.

How many components are on the Modular-Control-Module?

39 components, from 14 distinct parts. The full bill of materials is listed on this page.

Where can I download the Modular-Control-Module design files?

From the Roth-Amplification-Ltd/Modular-Control-Module repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Modular-Control-Module design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which Roth-Amplification-Ltd chose for the repository.

Can I test firmware for the Modular-Control-Module without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.