RoRo80

rarepotato8de·RoRo80·hardware/solder/RoRo80.kicad_pcb

About the RoRo80 PCB

RoRo80 is an open source RP2040/RP2350 PCB design by rarepotato8de, published on GitHub. It is a 2-layer board measuring 343.6 × 123.4 mm, with 248 components from 30 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the USBLC6-2SC6, W25Q128JVS and AMS1117-3.3. By type, the board carries 110 diodes, 106 LEDs, 16 capacitors, 7 resistors, 4 ICs and 2 connectors.

It belongs with the keyboards designs in this gallery.

From the project

Custom 80% TKL PCB featuring RP2040, VIAL support. Designed for the "Pete" enthusiast keyboard group.

The RoRo80 is a custom-designed TKL PCB created for the keyboard enthusiast group "Pete". Named as a tribute to the legendary German debt counselor Peter Zwegat (a community inside joke). There have been multiple versions from the RoRo80, which all have been produced and tested! Here are the most recent solder and hotswap versions.

1. First time: Plug the PCB in. A drive named RPI-RP2 will appear. 2. Flash: Drag and drop the firmware.uf2 file into that drive. 3. Subsequent times: Hold the BOOT button, press RESET twice, then release BOOT.

RoRo80, from the project README — From the project README

Main components on the RoRo80

USBLC6-2SC6 W25Q128JVS RP2040 AMS1117-3.3

RoRo80 bill of materials (BOM)

248 components, 30 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	USBLC6-2SC6	SOT-23-6	U1
1	W25Q128JVS	SOIC-8_5.23x5.23mm_P1.27mm	U2
1	RP2040	RP2040-QFN-56	U3
1	AMS1117-3.3	SOT-223-3_TabPin2	U4
1	12MHZ 12MHz	Crystal_SMD_3225-4Pin_3.2x2.5mm	Y1
1	USB_C_RECEPTACLE_USB2.0 USB_C_Receptacle_USB2.0	USB_C_Receptacle_GCT_USB4085	J1
1	AI03_UD ai03_ud	JST-SR-4	J3
1	C318884 RESET	SW_SPST_TL3342	RESET1
1	USB_BOOT	SW_SPST_TL3342	USB_BOOT1
2	MX_SK6812MINI-E	LED_MX_6028R_RUND	LED1, LED2
80	1u	MXOnly-1U-NoLED	MX1, MX2, MX3, MX4, MX5, MX6, MX7, MX8 +72
1	2u	MXOnly-2U-NoLED	MX33
6	1.5U 1.5u	MXOnly-1.5U-NoLED	MX38, MX51, MX98, MX100, MX102, MX104
9	1.25U 1.25u	MXOnly-1.25U-NoLED	MX55, MX71, MX90, MX91, MX92, MX94, MX95, MX96 +1
1	ISO_ENTER	MXOnly-ISO-ReversedStabilizers-NoLED	MX56
2	1.75U 1.75u	MXOnly-1.75U-NoLED	MX57, MX84
2	2.25U 2.25u	MXOnly-2.25U-NoLED	MX69, MX72
1	2.75U 2.75u	MXOnly-2.75U-NoLED	MX86
1	6.25U 6.25u	MXOnly-6.25U-ReversedStabilizers-NoLED	MX93
1	7u	MXOnly-7U-ReversedStabilizers-NoLED	MX101

Show 10 more

Qty	Part	Footprint	Refs
91	1N4148	D_SOD-123	D1, D2, D3, D4, D5, D6, D7, D8 +83
19	WS2812B	LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm	D92, D93, D94, D95, D96, D97, D98, D99 +11
10	100N 100n	C_0603_1608Metric	C1, C2, C3, C4, C5, C6, C7, C8 +2
2	1u	C_0603_1608Metric	C11, C12
2	22P 22p	C_0603_1608Metric	C43, C46
2	22U 22u	C_0603_1608Metric	C44, C45
2	5.1K 5.1k	R_0603_1608Metric	R1, R2
1	DNP	R_0603_1608Metric	R3
2	1k	R_0603_1608Metric	R4, R7
2	22	R_0603_1608Metric	R5, R6

RoRo80 design files

The KiCad project lives in the rarepotato8de/RoRo80 repository on GitHub; these links point at the commit this page was built from.

Layouthardware/solder/RoRo80.kicad_pcb
Schematichardware/solder/RoRo80.kicad_sch
BOMhardware/solder/production/bom.csv

RoRo80: common questions

What microcontroller does the RoRo80 use?

The RoRo80 is built around the RP2040, from the RP2040/RP2350 family.

How big is the RoRo80 PCB?

The RoRo80 measures 343.6 × 123.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the RoRo80?

248 components, from 30 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 RoRo80 design files?

From the rarepotato8de/RoRo80 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 RoRo80 design in my own project?

The repository has no license, so all rights stay with rarepotato8de. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the RoRo80 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.