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2 layers311.5 × 96 mmBoard arm, the printed circuit board in 3D

Board arm

adrientetar/660m7

66-key ANSI keyboard PCB, with a STM32F0 MCU and USB-C connection.

Open in PCBKitView on GitHub.kicad_pcb
Size
311.5 × 96 mm
Copper layers
2
Thickness
1.6 mm
Parts
167
Nets
116
Pads
609
Tracks, vias
1,363, 59
Pours
22
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
14 Feb 2019
Updated
13 Aug 2019

Overview

Board arm is an open-source printed circuit board by adrientetar, from the adrientetar/660m repository on GitHub. It is a 2-layer board of 311.5 × 96 mm with 167 parts on 116 nets, routed with 1,363 tracks and 59 vias.

It is built around the STM32F072CBT6 and PRTR5V0U2X. Its parts include 67 diodes, 9 capacitors, 6 resistors, 3 ICs and 1 switch. It belongs with the STM32 boards of this library.

Main components

2

Parts

167
QtyValueFootprintReferences
66SOD-123Diode_SMD:D_SOD-123D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +50
8Leopold-MountingHolelocallib:Leopold-MountingHoleH1, H2, H3, H4, H5, H6, H7, H8
5TestPointTestPoint:TestPoint_Pad_D1.0mm3V3, GND, NR, SWDC, SWDD
40.1uFCapacitor_SMD:C_0805_2012MetricC1, C2, C3, C4
310kResistor_SMD:R_0805_2012MetricR1, R2, R3
210uFCapacitor_SMD:C_0805_2012MetricC7, C9
25.1kResistor_SMD:R_0805_2012MetricR4, R5
1'locallib:MX-1U-19mmK_'1
1,locallib:MX-1U-19mmK_,1
1-locallib:MX-1U-19mmK_-1
1.locallib:MX-1U-19mmK_.1
1/locallib:MX-1U-19mmK_/1
10locallib:MX-1U-19mmK_#0
11locallib:MX-1U-19mmK_#1
110nFCapacitor_SMD:C_0805_2012MetricC6
11kResistor_SMD:R_0805_2012MetricR10
11nFCapacitor_SMD:C_0805_2012MetricC8
12locallib:MX-1U-19mmK_#2
13locallib:MX-1U-19mmK_#3
14locallib:MX-1U-19mmK_#4
14.7uFCapacitor_SMD:C_0805_2012MetricC5
15locallib:MX-1U-19mmK_#5
16locallib:MX-1U-19mmK_#6
17locallib:MX-1U-19mmK_#7
18locallib:MX-1U-19mmK_#8
19locallib:MX-1U-19mmK_#9
1;locallib:MX-1U-19mmK_;1
1=locallib:MX-1U-19mmK_=1
1Alocallib:MX-1U-19mmK_A1
1Altlocallib:MX-1.25U-19mmK_ALT1
1Blocallib:MX-1U-19mmK_B1
1Backlocallib:MX-2U-19mmK_BACK1
1Clocallib:MX-1U-19mmK_C1
1Capslocallib:MX-1.75U-19mmK_CAPS1
1Ctrllocallib:MX-1.25U-19mmK_CTRL1
1Dlocallib:MX-1U-19mmK_D1
1DFUlocallib:SW_SPDT_9.0x3.5mmSW1
1Deletelocallib:MX-1U-19mmK_DELETE1
1Downlocallib:MX-1U-19mmK_DOWN1
1Elocallib:MX-1U-19mmK_E1
1Enterlocallib:MX-2.25U-19mmK_ENTER1
1Esclocallib:MX-1U-19mmK_ESC1
1Flocallib:MX-1U-19mmK_F1
1Fnlocallib:MX-1.25U-19mmK_FN1
1Glocallib:MX-1U-19mmK_G1
1Hlocallib:MX-1U-19mmK_H1
1HRO-TYPE-C-31-M-12Type-C:HRO-TYPE-C-31-M-12-AssemblyUSB1
1Ilocallib:MX-1U-19mmK_I1
1Insertlocallib:MX-1U-19mmK_INSERT1
1Jlocallib:MX-1U-19mmK_J1
1Klocallib:MX-1U-19mmK_K1
1Llocallib:MX-1U-19mmK_L1
1LEDLED_SMD:LED_0805_2012MetricLED1
1Leftlocallib:MX-1U-19mmK_LEFT1
1Leopold-MountingPadlocallib:Leopold-MountingPadH9
1Mlocallib:MX-1U-19mmK_M1
1MCP1725-3302E_SNlocallib:MCP1725-3302E_SNU3
1Nlocallib:MX-1U-19mmK_N1
1Olocallib:MX-1U-19mmK_O1
1Plocallib:MX-1U-19mmK_P1
1PRTR5V0U2Xlocallib:SOT143BU2
1Qlocallib:MX-1U-19mmK_Q1
1Rlocallib:MX-1U-19mmK_R1
1RAltlocallib:MX-1.25U-19mmK_RALT1
1RCtrllocallib:MX-1.25U-19mmK_RCTRL1
1RShiftlocallib:MX-2.25U-19mmK_RSHIFT1
1Rightlocallib:MX-1U-19mmK_RIGHT1
1Slocallib:MX-1U-19mmK_S1
1STM32F072CBT6Package_QFP:LQFP-48_7x7mm_P0.5mmU1
1Shiftlocallib:MX-2.25U-19mmK_SHIFT1
1Spacelocallib:MX-6.25U-19mmK_SPACE1
1Tlocallib:MX-1U-19mmK_T1
1Tablocallib:MX-1.5U-19mmK_TAB1
1Ulocallib:MX-1U-19mmK_U1
1Uplocallib:MX-1U-19mmK_UP1
1Vlocallib:MX-1U-19mmK_V1
1Wlocallib:MX-1U-19mmK_W1
1Winlocallib:MX-1U-19mmK_WIN1
1Xlocallib:MX-1U-19mmK_X1
1Ylocallib:MX-1U-19mmK_Y1

The 163 most common of 167 parts.

Questions

How big is the Board arm PCB?

It measures 311.5 × 96 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Board arm use?

167 parts, built around the STM32F072CBT6 and PRTR5V0U2X. 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 Board arm KiCad files?

From the adrientetar/660m repository on GitHub, at the commit this page was made from: the board is board_arm.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Board arm design in my own project?

Its repository states no licence, so its author keeps all rights: ask adrientetar before reusing the design.

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