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2 layers284.7 × 94.2 mmTrail, the printed circuit board in 3D

A copy of Promenade keyboard PCB

Size
284.7 × 94.2 mm
Copper layers
2
Thickness
1.6 mm
Parts
205
Nets
132
Pads
762
Tracks, vias
1,001, 53
Pours
4
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
9 May 2024
Updated
9 May 2024

Overview

Trail is an open-source printed circuit board by ThunderrGodd, from the ThunderrGodd/Trail repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 2-layer board of 284.7 × 94.2 mm with 205 parts on 132 nets, routed with 1,001 tracks and 53 vias.

It is built around the WS2812B and BLM18KG121TN1D. Its parts include 70 diodes, 24 capacitors, 9 switches, 4 resistors and 1 IC. It belongs with the keyboards and input boards and the STM32 boards of this library.

Main components

2

README

README.md

A copy of Promenade keyboard PCB, based on ChillKB's ice60v2.
It's still WIP, but I don't want to manage it anymore.
Working NEVER tested

Parts

205
QtyValueFootprintReferences
69DDiode_SMD:D_SOD-123D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +53
19100nCapacitor_SMD:C_0402_1005MetricC1, C5, C6, C7, C8, CRGB1, CRGB2, CRGB3, CRGB4, CRGB5, CRGB6, CRGB10, CRGB11, CRGB12, CRGB13, CRGB14 +3
14WS2812BLED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mmRGB1, RGB2, RGB3, RGB4, RGB5, RGB6, RGB7, RGB8, RGB9, RGB10, RGB11, RGB12, RGB13, RGB14
8SPACEmarbastlib-mx:SW_MX_1uMX60, MX61, MX62, MX63, MX64, MX65, MX74, MX75
31uCapacitor_SMD:C_0402_1005MetricC2, C3, C10
32U Stabmarbastlib-mx:STAB_MX_P_2uS1, S2, S3
23U stabmarbastlib-mx:STAB_MX_P_3uS4, S5
25.1KResistor_SMD:R_0603_1608MetricR2, R3
10marbastlib-mx:SW_MX_1uMX13
11marbastlib-mx:SW_MX_1uMX2
110kResistor_SMD:R_0603_1608MetricR1
110nCapacitor_SMD:C_0402_1005MetricC9
12marbastlib-mx:SW_MX_1uMX3
13marbastlib-mx:SW_MX_1uMX4
14marbastlib-mx:SW_MX_1uMX5
14.7uCapacitor_SMD:C_0402_1005MetricC4
1470RResistor_SMD:R_0402_1005MetricR4
15marbastlib-mx:SW_MX_1uMX6
15+marbastlib-mx:SW_MX_1uMX7
16marbastlib-mx:SW_MX_1uMX9
16+marbastlib-mx:SW_MX_1uMX8
16U Stabmarbastlib-mx:STAB_MX_P_6uS6
17marbastlib-mx:SW_MX_1uMX10
17U Stabmarbastlib-mx:STAB_MX_P_7uS7
18marbastlib-mx:SW_MX_1uMX11
19marbastlib-mx:SW_MX_1uMX12
1Amarbastlib-mx:SW_MX_1uMX30
1APPmarbastlib-mx:SW_MX_1uMX68
1Bmarbastlib-mx:SW_MX_1uMX48
1B+marbastlib-mx:SW_MX_1.5uMX72
1B+marbastlib-mx:SW_MX_1uMX49
1BACKSLASHmarbastlib-mx:SW_MX_1.5uMX28
1BLM18KG121TN1DPCM_Ferrite_SMD_AKL:Ferrite_0603_1608MetricFB1
1BOOTButton_Switch_SMD:SW_SPST_TL3342SW2
1Cmarbastlib-mx:SW_MX_1uMX46
1CAPSmarbastlib-mx:SW_MX_1.5uMX29
1COMMAmarbastlib-mx:SW_MX_1uMX52
1Dmarbastlib-mx:SW_MX_1uMX32
1Emarbastlib-mx:SW_MX_1uMX18
1ENTERmarbastlib-mx:SW_MX_1uMX41
1ESCmarbastlib-mx:SW_MX_1.5uMX1
1Fmarbastlib-mx:SW_MX_1uMX33
1FWDSLASHmarbastlib-mx:SW_MX_1uMX54
1Gmarbastlib-mx:SW_MX_1uMX34
1G+marbastlib-mx:SW_MX_1uMX35
1Imarbastlib-mx:SW_MX_1uMX23
1Jmarbastlib-mx:SW_MX_1uMX36
1JST_SH_SM04B-SRSS-TB_1x04Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_HorizontalJ1
1Kmarbastlib-mx:SW_MX_1uMX37
1Lmarbastlib-mx:SW_MX_1uMX38
1LEDmarbastlib-mx:LED_MX_3mm-ROTLED2
1L_ALTmarbastlib-mx:SW_MX_1uMX59
1L_ALT_7umarbastlib-mx:SW_MX_1.5uMX76
1L_BRACKETmarbastlib-mx:SW_MX_1uMX26
1L_CTRLmarbastlib-mx:SW_MX_1.5uMX57
1L_GUImarbastlib-mx:SW_MX_1uMX58
1L_SHIFTmarbastlib-mx:SW_MX_1.5uMX43
1Mmarbastlib-mx:SW_MX_1uMX51
1MINUSmarbastlib-mx:SW_MX_1.5uMX14
1Nmarbastlib-mx:SW_MX_1uMX50
1N+marbastlib-mx:SW_MX_1.5uMX73
1Omarbastlib-mx:SW_MX_1uMX24
1Pmarbastlib-mx:SW_MX_1uMX25
1PERIODmarbastlib-mx:SW_MX_1uMX53
1Qmarbastlib-mx:SW_MX_1uMX16
1QUOTEmarbastlib-mx:SW_MX_1uMX40
1Rmarbastlib-mx:SW_MX_1uMX19
1RSTButton_Switch_SMD:SW_SPST_TL3342SW1
1R_ALTmarbastlib-mx:SW_MX_1uMX66
1R_ALT_7umarbastlib-mx:SW_MX_1.5uMX77
1R_BRACKETmarbastlib-mx:SW_MX_1uMX27
1R_CTRLmarbastlib-mx:SW_MX_1.5uMX69
1R_GUImarbastlib-mx:SW_MX_1uMX67
1R_SHIFTmarbastlib-mx:SW_MX_1uMX55
1R_SPLIT_BACKSPACEmarbastlib-mx:SW_MX_1.5uMX42
1R_SPLIT_R_SHIFTmarbastlib-mx:SW_MX_1.5uMX56
1Smarbastlib-mx:SW_MX_1uMX31
1SEMICOLONmarbastlib-mx:SW_MX_1uMX39
1STM32F072CBTxPackage_QFP:LQFP-48_7x7mm_P0.5mmU1
1Tmarbastlib-mx:SW_MX_1uMX20

The 192 most common of 205 parts.

Questions

How big is the Trail PCB?

It measures 284.7 × 94.2 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Trail use?

205 parts, built around the WS2812B and BLM18KG121TN1D. 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 Trail KiCad files?

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

Can I use the Trail design in my own project?

Its repository publishes it under the CERN-OHL-P-2.0 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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