Chocobanan rev.1

leonrat·Chocobanan·REV.1/chocobanan rev.1.kicad_pcb

Chocobanan rev.1 PCB layout, top view — open source RP2040/RP2350 board by leonrat

About the Chocobanan rev.1 PCB

Chocobanan rev.1 is an open source RP2040/RP2350 PCB design by leonrat, published on GitHub. It is a 2-layer board measuring 158.9 × 100.2 mm, with 108 components from 28 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the XC6206PxxxMR, SRV05-4, W25Q128JVS and 74AHCT1G125. By type, the board carries 46 LEDs, 24 diodes, 16 capacitors, 9 resistors, 5 ICs and 3 connectors.

It belongs with the keyboards designs in this gallery.

From the project

An alice-like 40% split keyboard

Main components on the Chocobanan rev.1

RP2040 XC6206PxxxMR SRV05-4 W25Q128JVS 74AHCT1G125

Chocobanan rev.1 bill of materials (BOM)

108 components, 28 distinct parts.

Qty	Part	Footprint	Refs
1	RP2040	QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mm	U1
1	XC6206PxxxMR	SOT-23-3	U2
1	SRV05-4	SOT-23-6-routable	U3
1	W25Q128JVS	SOIC-8_5.23x5.23mm_P1.27mm	U4
1	74AHCT1G125	SOT-23-5	U5
1	Crystal_GND24	Crystal_SMD_3225-4Pin_3.2x2.5mm	Y1
1	USB_C_Receptacle_USB2.0	USB_C_Receptacle_HRO_TYPE-C-31-M-12	J1
1	Conn_01x05	PinHeader_1x05_P2.54mm_Vertical	J2
1	AudioJack4	CUI_SJ-43614-SMT	J3
1	Fuse_Small	Fuse_1206_3216Metric	F1
1	RotaryEncoder_Switch	ROT_Alps_EC11E-Switch	MX19.1
2	SW_Push	SW_SPST_TL3342	SW1, SW2
21	WS2812B	XINGLIGHT_XL-1010RGBC-WS2812B	LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +13
1	SW_Push	MXOnly-1.5U-NoLED	MX1
19	SW_Push	MXOnly-1U-NoLED	MX2, MX3, MX4, MX5, MX6, MX8, MX9, MX10 +11
1	SW_Push	MXOnly-1.75U-NoLED	MX7
1	SW_Push	MXOnly-2.25U-NoLED	MX13
1	SW_Push	MXOnly-1.25U-NoLED	MX22
1	SW_Push	MXOnly-2.25U-ReversedStabilizers-NoLED	MX23
1	SW_Push	MXOnly-2U-ReversedStabilizers-NoLED	MX24.1

Show 8 more

Qty	Part	Footprint	Refs
24	D_Small	D_SOD-123	D1, D2, D3, D4, D5, D6, D7, D8 +16
5	1u	C_0402_1005Metric	C1, C2, C3, C7, C16
8	100n	C_0402_1005Metric	C4, C5, C8, C9, C10, C11, C12, C13
1	10u	C_0603_1608Metric	C6
2	22p	C_0402_1005Metric	C14, C15
5	5.1k	R_0402_1005Metric	R1, R2, R3, R8, R9
2	27	R_0402_1005Metric	R4, R5
2	1k	R_0402_1005Metric	R6, R7

Chocobanan rev.1 design files

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

LayoutREV.1/chocobanan rev.1.kicad_pcb
SchematicREV.1/chocobanan rev.1.kicad_sch

Chocobanan rev.1: common questions

What microcontroller does the Chocobanan rev.1 use?

The Chocobanan rev.1 is built around the RP2040, from the RP2040/RP2350 family.

How big is the Chocobanan rev.1 PCB?

The Chocobanan rev.1 measures 158.9 × 100.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Chocobanan rev.1?

108 components, from 28 distinct parts. The full bill of materials is listed on this page.

Where can I download the Chocobanan rev.1 design files?

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

Can I use the Chocobanan rev.1 design in my own project?

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

Can I test firmware for the Chocobanan rev.1 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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