Rp2040-keyboard

molfiks·rp2040-keyboard

Rp2040-keyboard PCB layout, top view — open source RP2040/RP2350 board by molfiks

About the Rp2040-keyboard PCB

Rp2040-keyboard is an open source RP2040/RP2350 PCB design by molfiks, published on GitHub. It is a 2-layer board measuring 346.1 × 123 mm, with 251 components from 29 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the 74AHCT1G125, XC6206PXXXMR, SRV05-4 and W25Q128JVS. By type, the board carries 87 diodes, 32 capacitors, 16 LEDs, 9 resistors, 7 switches and 5 ICs.

It belongs with the keyboards designs in this gallery.

From the project

The keyboard project I am trying to do for learning purposes

This is not a ready to use project im still learning how to make a keyboard. I don't know if this gonna work.

Main components on the Rp2040-keyboard

74AHCT1G125 XC6206PXXXMR SRV05-4 RP2040 W25Q128JVS

Rp2040-keyboard bill of materials (BOM)

251 components, 29 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	74AHCT1G125	SOT-23-5	U1
1	XC6206PXXXMR XC6206PxxxMR	SOT-23-3	U2
1	SRV05-4	SOT-23-6-routable	U3
1	RP2040	QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm	U4
1	W25Q128JVS	SOIC-8_5.23x5.23mm_P1.27mm	U5
1	CRYSTAL_GND24 Crystal_GND24	Crystal_SMD_3225-4Pin_3.2x2.5mm	Y1
1	USB_C_RECEPTACLE_USB2.0 USB_C_Receptacle_USB2.0	USB_C_Receptacle_HRO_TYPE-C-31-M-12	J1
1	CONN_01X04 Conn_01x04	JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal	J2
1	CONN_01X05 Conn_01x05	PinHeader_1x05_P2.54mm_Vertical	J3
1	500MA 500mA	Fuse_1206_3216Metric	F1
3	MountingHole	jlcpcb mounting hole	H1, H2, H3
77	MX_SW_HS	SW_MX_HS_CPG151101S11_1u	MX1, MX2, MX3, MX4, MX5, MX6, MX7, MX8 +69
2	MX_SW_HS	SW_MX_HS_CPG151101S11_1.5u	MX34, MX47
1	MX_SW_HS	SW_MX_HS_CPG151101S11_1.75u	MX51
7	MX_SW_HS	SW_MX_HS_CPG151101S11_1.25u	MX77, MX78, MX79, MX81, MX82, MX83, MX84
1	MX_stab	STAB_MX_P_2u	S1
2	MX_stab	STAB_MX_P_2.25u	S2, S4
1	MX_stab	STAB_MX_P_2.75u	S3
1	MX_stab	STAB_MX_P_6.25u	S5
2	SW_PUSH	SW_SPST_TL3342	SW2, SW3

Show 9 more

Qty	Part	Footprint	Refs
16	WS2812_2020	LED_WS2812_2020	LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +8
87	D_Small	D_SOD-123	D1, D2, D3, D4, D5, D6, D7, D8 +79
5	1u	C_0402_1005Metric	C1, C3, C7, C8, C10
24	100N 100n	C_0402_1005Metric	C2, C4, C5, C6, C13, C14, C15, C16 +16
1	10U 10u	C_0603_1608Metric	C9
2	22P 22p	C_0402_1005Metric	C11, C12
5	5.1K 5.1k	R_0402_1005Metric	R1, R2, R3, R6, R7
2	27	R_0402_1005Metric	R4, R5
2	1k	R_0402_1005Metric	R8, R9

Rp2040-keyboard design files

The KiCad project lives in the molfiks/rp2040-keyboard repository on GitHub; these links point at the commit this page was built from.

Rp2040-keyboard: common questions

What microcontroller does the Rp2040-keyboard use?

The Rp2040-keyboard is built around the RP2040, from the RP2040/RP2350 family.

How big is the Rp2040-keyboard PCB?

The Rp2040-keyboard measures 346.1 × 123 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Rp2040-keyboard?

251 components, from 29 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 Rp2040-keyboard design files?

From the molfiks/rp2040-keyboard 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 Rp2040-keyboard design in my own project?

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

Can I test firmware for the Rp2040-keyboard 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.

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