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4 layers100 × 100 mmLb mp1, the printed circuit board in 3D

Lb mp1

vbalsan/OzzyBoard4

Allwinner V3s prototype SBC

Full screenGitHub.kicad_pcb
Size
100 × 100 mm
Copper layers
4
Thickness
4.69 mm
Parts
300
Nets
271
Pads
1,207
Tracks, vias
3,096, 322
Pours
10
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
7 Mar 2023
Updated
25 Aug 2025

Overview

Lb mp1 is an open-source printed circuit board by vbalsan, from the vbalsan/OzzyBoard repository on GitHub, published under the GPL-2.0 licence. It is a 4-layer board of 100 × 100 mm with 300 parts on 271 nets, routed with 3,096 tracks and 322 vias.

It is built around the SY7200AABC, CH340N and 74HC595, with the AXP209, NS2009 and ESD5451X-2/TR among its other parts. Its parts include 115 capacitors, 73 resistors, 37 diodes, 9 connectors and 8 ICs.

Main components

7

README

hardware/RevB/README.md

OzzyBoard

Allwinner V3s prototype SBC RevB

  • Changed the Ethernet port , also this time it is right side
  • Changed power supply of Serial to USB chip for the board own power, no accidental pull down now
  • USB ports are more on board
  • Heartbeat led added on PF6
  • battery pins are bigger, JST model
  • Added port for +5V
  • UART serial port is now near serial usb
  • Added func button
  • Pull-up for i2c
  • Added leds for CPU and Memory activity, through shift register

Parts

300
QtyValueFootprintReferences
40100nCapacitor_SMD:C_0402_1005MetricC21, C33, C37, C39, C40, C41, C43, C48, C50, C100, C109, C110, C111, C112, C113, C115 +24
1910uFCapacitor_SMD:C_0402_1005MetricC2, C5, C12, C13, C16, C17, C20, C23, C25, C26, C31, C35, C44, C69, C80, C104 +3
1510kResistor_SMD:R_0402_1005MetricR10, R18, R20, R24, R28, R39, R40, R41, R44, R51, R53, R57, R60, R63, R72
151uFCapacitor_SMD:C_0402_1005MetricC18, C19, C22, C29, C63, C66, C68, C73, C83, C86, C88, C89, C98, C103, C107
14TestPointTestPoint:TestPoint_Pad_D1.0mmTP2, TP3, TP4, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15, TP17, TP18
134.7uFCapacitor_SMD:C_0402_1005MetricC8, C14, C24, C30, C32, C42, C45, C90, C94, C97, C105, C106, C108
11ESD5451X-2/TRESD:ESD5451X-2D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22
10LEDLED_SMD:LED_0603_1608MetricD7, D8, D24, D25, D26, D27, D28, D29, D30, D31
94k7Resistor_SMD:R_0402_1005MetricR27, R34, R61, R65, R67, R68, R69, R73, R74
71kResistor_SMD:R_0402_1005MetricR1, R3, R21, R25, R26, R30, R31
618pfCapacitor_SMD:C_0402_1005MetricC36, C38, C62, C67, C71, C72
64.7uH 1.1A 0.1RInductor_SMD:L_Bourns-SRN4018L1, L2, L3, L4, L5, L7
5100pFCapacitor_SMD:C_0402_1005MetricC4, C11, C47, C49, C53
510uFCapacitor_SMD:C_0603_1608MetricC27, C54, C58, C99, C114
41kResistor_SMD:R_0603_1608MetricR6, R37, R45, R71
42k2Resistor_SMD:R_0402_1005MetricR7, R8, R22, R23
449.9Resistor_SMD:R_0603_1608MetricR32, R33, R35, R46
4ACTcustom:led_0603_no_silkscreenD4, D33, D34, D35
4LEDcustom:led_0603_no_silkscreenD36, D37, D38, D39
4MountingHoleMountingHole:MountingHole_3.2mm_M3H1, H2, H3, H4
3100kResistor_SMD:R_0402_1005MetricR9, R14, R48
31N5819WSDiode_SMD:D_SOD-123D6, D9, D23
31RResistor_SMD:R_0402_1005MetricR54, R55, R56
333RResistor_SMD:R_0402_1005MetricR47, R49, R50
347kResistor_SMD:R_0402_1005MetricR4, R5, R12
3tooling_holecustom:tooling holeJ12, J13, J14
210nFCapacitor_SMD:C_0402_1005MetricC1, C101
210uF/50VLED_SMD:LED_1206_3216MetricC60, C93
212pFCapacitor_SMD:C_0402_1005MetricC15, C46
21kResistor_SMD:R_Array_Concave_4x0603RN1, RN2
21nFCapacitor_SMD:C_0402_1005MetricC3, C10
2220nFCapacitor_SMD:C_0402_1005MetricC28, C34
22kResistor_SMD:R_0402_1005MetricR15, R16
232.768khzCrystal:Crystal_SMD_MicroCrystal_CC7V-T1A-2Pin_3.2x1.5mm_HandSolderingY2, Y4
26k8Resistor_SMD:R_0402_1005MetricR43, R59
2ACTLED_SMD:LED_0603_1608MetricD5, D48
2SY7200AABCPackage_TO_SOT_SMD:SOT-23-6U6, U12
10.03RResistor_SMD:R_1206_3216MetricR13
10RResistor_SMD:R_0603_1608MetricR52
1100uFCapacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-BC6
110MResistor_SMD:R_0402_1005MetricR42
110RResistor_SMD:R_0603_1608MetricR29
110kResistor_SMD:R_Array_Concave_4x0402RN5
110uHInductor_SMD:L_1206_3216MetricL6
111kResistor_SMD:R_0603_1608MetricR62
116MHzCrystal:Crystal_SMD_3225-4Pin_3.2x2.5mmY1
12.2uFCapacitor_SMD:C_0603_1608MetricC102
1200kResistor_SMD:R_0402_1005MetricR11
1200k 1%Resistor_SMD:R_0805_2012MetricR2
1220RResistor_SMD:R_0402_1005MetricR17
122RResistor_SMD:R_0603_1608MetricR58
1240RResistor_SMD:R_0603_1608MetricR38
124MHzCrystal:Crystal_SMD_2520-4Pin_2.5x2.0mmY3
13.3LED_SMD:LED_0603_1608MetricD2
1390RResistor_SMD:R_0603_1608MetricR36
14148Diode_SMD:D_SOD-323D32
147RResistor_SMD:R_0402_1005MetricR19
1560kResistor_SMD:R_0603_1608MetricR66
174HC595Package_SO:SOIC-16_3.9x9.9mm_P1.27mmU15
18k2Resistor_SMD:R_0402_1005MetricR64
1AButton_Switch_SMD:SW_SPST_TL3342SW5
1AXP209Allwinner:AXP209-QFN48U2
1AudioJack4_SwitchTR1Connector_Audio:Jack_3.5mm_PJ311_HorizontalJ9
1BButton_Switch_SMD:SW_SPST_TL3342SW6
1BATTConnector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_VerticalJ3
1BOOTButton_Switch_SMD:SW_SPST_TL3342SW4
1CButton_Switch_SMD:SW_SPST_TL3342SW7
1CH340NPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU4
1CHGLED_SMD:LED_0603_1608MetricD1
1Conn_02x16_Odd_EvenConnector_PinHeader_2.54mm:PinHeader_2x16_P2.54mm_VerticalJ1
1DButton_Switch_SMD:SW_SPST_TL3342SW8
1DC POWERTerminalBlock:TerminalBlock_bornier-2_P5.08mmJ11
1EEPROMPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU13
1FPC_40Connector_FFC-FPC:Hirose_FH12-40S-0.5SH_1x40-1MP_P0.50mm_HorizontalU10
1FUNCButton_Switch_SMD:SW_SPST_TL3342SW9
1FerriteBeadResistor_SMD:R_0805_2012MetricFB1
1LOGOLOGOG***
1Molex-5033981892custom:MOLEX_503398-1892J6
1NS2009Package_SO:MSOP-10_3x3mm_P0.5mmU7
1POWERConnector_USB:USB_Micro-B_Molex-105017-0001J4

The 282 most common of 300 parts.

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Questions

How big is the Lb mp1 PCB?

It measures 100 × 100 mm and has 4 copper layers, 4.69 mm thick.

What parts does the Lb mp1 use?

300 parts, built around the SY7200AABC, CH340N, 74HC595 and AXP209. 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 Lb mp1 KiCad files?

From the vbalsan/OzzyBoard repository on GitHub, at the commit this page was made from: the board is hardware/RevB/lb_mp1.kicad_pcb and its schematic hardware/RevA/Audio_Video.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Lb mp1 design in my own project?

Its repository publishes it under the GPL-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).