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4 layers31.1 × 68.8 mmSlate, the printed circuit board in 3D

an rp2350 dev board

Size
31.1 × 68.8 mm
Copper layers
4
Thickness
1.6 mm
Parts
41
Nets
75
Pads
258
Tracks, vias
803, 69
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
1 Aug 2025
Updated
18 Aug 2025

Overview

Slate is an open-source printed circuit board by ayaangrover, from the ayaangrover/slate repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 31.1 × 68.8 mm with 41 parts on 75 nets, routed with 803 tracks and 69 vias.

It is built around the W25Q128JVSIQ. Its parts include 20 capacitors, 10 resistors, 3 ICs, 3 connectors and 2 switches. It belongs with the microcontroller boards boards and the RP2350 boards of this library.

Main components

1

README

README.md
slate

Slate: An RP2350 Dev Board

Slate is an OSHWA Certified rp2350b-based dev board. It has 16mb flash memory, a usb c connector, and 48 gpio pins.

Price: ~$8/board + shipping/taxes

oshw_facts

Parts

41
QtyValueFootprintReferences
11100nCapacitor_SMD:C_0402_1005MetricC8, C11, C12, C13, C14, C15, C16, C17, C18, C20, C21
310ufCapacitor_SMD:C_0402_1005MetricC1, C5, C19
31kResistor_SMD:R_0402_1005MetricR2, R5, R6
34.7Capacitor_SMD:C_0402_1005MetricC6, C7, C9
215pCapacitor_SMD:C_0402_1005MetricC3, C4
227Resistor_SMD:R_0402_1005MetricR7, R8
25.1kResistor_SMD:R_0402_1005MetricR1, R12
2Conn_01x26_PinConnector_PinHeader_2.54mm:PinHeader_1x26_P2.54mm_VerticalJ2, J3
10Resistor_SMD:R_0402_1005MetricR10
110kResistor_SMD:R_0402_1005MetricR4
13.3ueasyeda2kicad:IND-SMD_L2.0-W1.6_AOTA-B201610S3R3-101-TL1
133Resistor_SMD:R_0402_1005MetricR3
14.7uCapacitor_SMD:C_0402_1005MetricC10
1ABM8-272-T3_C20625731easyeda2kicad:CRYSTAL-SMD_4P-L3.2-W2.5-BLY1
1BOOTeasyeda2kicad:SW-SMD_L3.9-W3.0-P4.45SW1
1LOGOeasyeda2kicad:oshwa_2768G***
1NCP1117-3.3_SOT223Package_TO_SOT_SMD:SOT-223-3_TabPin2U2
1RESETeasyeda2kicad:SW-SMD_L3.9-W3.0-P4.45SW2
1RP2350_80QFNRP2350_80QFN_minimal:RP2350-QFN-80-1EP_10x10_P0.4mm_EP3.4x3.4mm_ThermalViasU1
1USB_C_Receptacle_USB2.0_16PConnector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_HorizontalJ4
1W25Q128JVSPackage_SO:SOIC-8_5.3x5.3mm_P1.27mmU3

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Questions

How big is the Slate PCB?

It measures 31.1 × 68.8 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Slate use?

41 parts, built around the W25Q128JVSIQ. 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 Slate KiCad files?

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

Can I use the Slate design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).