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2 layers10.2 × 27.9 mmRiscv business, the printed circuit board in 3D

shockingly small microcontroller board with USB

Size
10.2 × 27.9 mm
Copper layers
2
Thickness
1.6 mm
Parts
20
Nets
32
Pads
100
Tracks, vias
220, 26
Pours
1
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
22 Oct 2024
Updated
17 May 2025

Overview

Riscv business is an open-source printed circuit board by mothdotmonster, from the mothdotmonster/dipstickRV repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 10.2 × 27.9 mm with 20 parts on 32 nets, routed with 220 tracks and 26 vias.

Its parts include 6 resistors, 4 connectors, 3 capacitors, 2 ICs and 1 diode. It belongs with the RISC-V boards of this library.

README

README.md

dipstickRV

adorably small CH32V003 devboard

buy it here

photo_2024-10-22_01-28-41

includes user-LED on PD6 and rv003usb-compatible USB-C port

uses Paw-Connect

pinout

Parts

20
QtyValueFootprintReferences
3TestPointTestPoint:TestPoint_Pad_D1.0mmTP1, TP2, TP3
247Resistor_SMD:R_0402_1005MetricR3, R4
25k1Resistor_SMD:R_0402_1005MetricR1, R2
2Conn_01x08_PinConnector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_VerticalJ2, J3
1100nFCapacitor_SMD:C_0402_1005MetricC3
110uFCapacitor_SMD:C_0402_1005MetricC1
11k5Resistor_SMD:R_0402_1005MetricR5
11uFCapacitor_SMD:C_0402_1005MetricC2
1220Resistor_SMD:R_0402_1005MetricR6
1CH32V003FxUxPackage_DFN_QFN:QFN-20-1EP_3x3mm_P0.4mm_EP1.65x1.65mmU1
1Conn_ARM_SWD_TagConnect_TC2030-NLPaw-Connect-main:Paw-Connect_RevA_TC2030-IDC-NL_2x03_P1.27mm_VerticalJ4
1LEDLED_SMD:LED_0603_1608MetricD1
1SW_PushPanasonic-EVPAW:Panasonic-EVPAW-2x3mmSW1
1USB_C_Receptacle_USB2.0_16PConnector_USB:USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01AJ1
1XC6206PxxxMRPackage_TO_SOT_SMD:SOT-23-3U2

Questions

How big is the Riscv business PCB?

It measures 10.2 × 27.9 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Riscv business use?

20 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Riscv business KiCad files?

From the mothdotmonster/dipstickRV repository on GitHub, at the commit this page was made from: the board is riscv-business.kicad_pcb and its schematic riscv-business.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Riscv business design in my own project?

Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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