Reference layout

SpiCy BEXUS BOARD2

EggiEl-SpiCy-BEXUS-board2-SpiCy-BEXUS-layout

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EggiEl-SpiCy-BEXUS-board2-SpiCy-BEXUS-layout

The project archive carries the board, its project file and the upstream licence. The archive is zstd-compressed (tar.zst).

256Placed parts
188Nets
4Copper layers
97.28 × 82.04 mmBoard size
yesRouted
KiCad 8File format

Bill of materials

247 distinct parts

171 resolve to something in the catalog — click through to the footprint.

RefValueFootprintQty
5sys0APTD2012LCGCKSamacSys_Parts:LEDC2012X120N
5sys201APTD2012LCGCKSamacSys_Parts:LEDC2012X120N
BUCK201TPS62933DRLRSamacSys_Parts:SOTFL50P160X60-8N
BUCK601TPS62933DRLRSamacSys_Parts:SOTFL50P160X60-8N
BuckJmp201Conn_01x03Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical
BuckJmp601Conn_01x03Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical
C2010.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C20210uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C20310uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C20410u/30VCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C205DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C206DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C2070.1u/30VCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C208DNPCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C20933nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C21022uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C21122uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C212DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C21310uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C21410uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C2150.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C21610uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C21710uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C218DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C3012u2Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C3020.1uFCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3030.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3042u2Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C3050.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3060.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3072u2Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C3082u2Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C3090.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3100.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3110.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3120.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3130.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3140.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C3150.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C31615p 5%Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
Show the other 207
C31715p 5%Capacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C40110uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C402DNPCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C4030.1uFCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C40410nCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C5012u2Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C5020.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C5030.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C5040.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C5050.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C5060.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C5070.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C5080.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C50910uF/16VCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C51018pCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C51118pCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C5120.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C51310uF/16VCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C51422nFCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C5156.8nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C5161nF/200VCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C5176.8nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C51810nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C5194.7uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C52010nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C6010.1uCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C6041u/30V DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C6050.1u/30V DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C606DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C607DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C60810u/30VCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C6090.1u/30VCapacitor_SMD:C_0402_1005Metric_Pad0.74x0.62mm_HandSolder
C61033nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C61122uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C61222uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
C613DNPCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder
D201RBR2LB60BTBR1SamacSys_Parts:DIOM5336X245N
D202RBR2LB60BTBR1SamacSys_Parts:DIOM5336X245N
D203RBR2LB60BTBR1SamacSys_Parts:DIOM5336X245N
F601MF-FSML100_8-2SamacSys_Parts:FUSC1608X70N
F602MF-FSML100_8-2SamacSys_Parts:FUSC1608X70N
F603MF-FSML100_8-2SamacSys_Parts:FUSC1608X70N
F604MF-FSML100_8-2SamacSys_Parts:FUSC1608X70N
F605MF-FSML100_8-2SamacSys_Parts:FUSC1608X70N
F606MF-FSML100_8-2SamacSys_Parts:FUSC1608X70N
F607MF-FSML100_8-2SamacSys_Parts:FUSC1608X70N
F608MF-FSML100_8-2SamacSys_Parts:FUSC1608X70N
FB501BLM18SP102SZ1DSamacSys_Parts:BLM18SP221SN1B
FLA301W25Q128JVSSamacSys_Parts:SOIC127P790X216-8N
G***LOGOSamacSys_Parts:Logo
G***LOGOLOGO
GPIO301502352-0400SamacSys_Parts:5023520400
GPIO302502352-0400SamacSys_Parts:5023520400
H0_M101MountingHoleMountingHole:MountingHole_3.2mm_M3_Pad_Via
H2_M101MountingHoleMountingHole:MountingHole_3.2mm_M3_Pad_Via
H2_M102MountingHoleMountingHole:MountingHole_3.2mm_M3_Pad_Via
H3_M101MountingHoleMountingHole:MountingHole_3.2mm_M3_Pad_Via
HEAT_CON601502352-0200SamacSys_Parts:5023520200
HEAT_CON602502352-0200SamacSys_Parts:5023520200
HEAT_CON603502352-0200SamacSys_Parts:5023520200
HEAT_CON604502352-0200SamacSys_Parts:5023520200
HEAT_CON605502352-0200SamacSys_Parts:5023520200
HEAT_CON606502352-0200SamacSys_Parts:5023520200
HEAT_CON607502352-0200SamacSys_Parts:5023520200
HEAT_CON608502352-0200SamacSys_Parts:5023520200
IC201INA240A3EDRQ1SamacSys_Parts:SOIC127P600X175-8N
J00Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
J2010Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
J4010Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
J50Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
J501J1B1211CCDSamacSys_Parts:J1B1211CCD
J60Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
J70Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
J701502352-0400ALibaryLoader:5023520400
J702502352-0400ALibaryLoader:5023520400
J703502352-0400ALibaryLoader:5023520400
J704502352-0400ALibaryLoader:5023520400
J705502352-0400ALibaryLoader:5023520400
J706502352-0400ALibaryLoader:5023520400
JB_or_U201Conn_01x03Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical
JH501Jumper_3_Bridged12SamacSys_Parts:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels
JH502Jumper_3_Bridged12SamacSys_Parts:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels
JH503Jumper_3_Bridged12SamacSys_Parts:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels
L101InstaLogoSamacSys_Parts:insta
L20174439346068SamacSys_Parts:74439346068
L60174439346068SamacSys_Parts:74439346068
LAN501W5500SamacSys_Parts:QFP50P900X900X160-48N
LRlan201NCP1117ST33T3GSamacSys_Parts:SOT230P700X180-4N
LRre201NCP1117ST33T3GSamacSys_Parts:SOT230P700X180-4N
LRuC201NCP1117ST33T3GSamacSys_Parts:SOT230P700X180-4N
MUX401TMUX1108PWRSamacSys_Parts:SOP65P640X120-16N
NTC401502352-0200SamacSys_Parts:5023520200
NTC402502352-0200SamacSys_Parts:5023520200
NTC403502352-0200SamacSys_Parts:5023520200
NTC404502352-0200SamacSys_Parts:5023520200
NTC405502352-0200SamacSys_Parts:5023520200
NTC406502352-0200SamacSys_Parts:5023520200
OP401OPA2377AIDSamacSys_Parts:SOIC127P600X175-8N
Q601IRLML6344TRPBFSamacSys_Parts:SOT95P237X112-3N
Q602IRLML6344TRPBFSamacSys_Parts:SOT95P237X112-3N
Q603IRLML6344TRPBFSamacSys_Parts:SOT95P237X112-3N
Q604IRLML6344TRPBFSamacSys_Parts:SOT95P237X112-3N
Q605IRLML6344TRPBFSamacSys_Parts:SOT95P237X112-3N
Q606IRLML6344TRPBFSamacSys_Parts:SOT95P237X112-3N
Q607IRLML6344TRPBFSamacSys_Parts:SOT95P237X112-3N
Q608IRLML6344TRPBFSamacSys_Parts:SOT95P237X112-3N
R0510Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R2010Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R20264.9kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R203DNPResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R20410kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R20512.4k 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R206510Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R207100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R20810kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R20910Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R30110k but unessesaryResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R30227Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R30327Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3041kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R305150Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3065.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3075.1k 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3085.1k 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3095.1k 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3105.1k 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R311no fitResistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder
R3121k 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3135.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R3145.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R40110kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R4025.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R4035.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R4045.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R4055.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R4065.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R4075.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R4085.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R4095.1kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R41051kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R41110kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R412150Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R41310kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R50110kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R50210kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R50310kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R50410kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R5051MResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R5060RResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R5070RResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R50849R9 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R50949R9 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R51010R 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R511510Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R51212.4k 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R5130RResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R514510Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R5150RResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R5160RResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R51749R9 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R51849R9 1%Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R6010Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R60264.9kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R60310Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R604DNPResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R60510kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R607220Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R608220Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R609220Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R610220Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R611220Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R612100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R613220Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R614100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R615100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R616100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R617100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R618100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R619220Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R620220Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R621100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R622100kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
R70110kResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
RT401NTCGS163JF103FT8SamacSys_Parts:THRMC1608X90N
R_shunt20110mOhmResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder
SD501693072010801SamacSys_Parts:693072010801
S_BOOT301435441019830SamacSys_Parts:435441019830
S_RES301435441019830SamacSys_Parts:435441019830
TP301TestPointTestPoint:TestPoint_Pad_D1.0mm
TP302TestPointTestPoint:TestPoint_Pad_D1.0mm
TP303TestPointTestPoint:TestPoint_Pad_D1.0mm
TP501TestPointTestPoint:TestPoint_Pad_D1.0mm
TP502TestPointTestPoint:TestPoint_Pad_D1.0mm
TP701TestPointTestPoint:TestPoint_Pad_1.5x1.5mm
TP702TestPointTestPoint:TestPoint_Pad_1.5x1.5mm
TP703TestPointTestPoint:TestPoint_Pad_1.5x1.5mm
TP704TestPointTestPoint:TestPoint_Pad_1.5x1.5mm
U701CD4097BALibaryLoader:SOIC127P1030X265-24N
USB_C301GSB1C41110SSHRSamacSys_Parts:GSB1C41110SSHR
V_BAT201502352-0200SamacSys_Parts:5023520200
Vref301LM4040BIM3-3.0_NOPBSamacSys_Parts:SOT95P237X112-3N
Vref401LM4040BIM3-3.0_NOPBSamacSys_Parts:SOT95P237X112-3N
Y301ABM8G-12.000MHZ-4Y-T3SamacSys_Parts:ABM8G
Y501ECS-250-6-33B2-CTP-TRSamacSys_Parts:ECS250633B2CTPTR
bat201APTD2012LSURCKSamacSys_Parts:LEDM2012X120N
inrushcurrentlimit201-Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder
uC301SC0914_7_SamacSys_Parts:QFN40P700X700X90-57N-D

Provenance

Commit
unknown
Licence
CC-BY-4.0

How it is used

Trace's agent reads this design as context — what parts a board like this carries, how they are grouped across sheets, what a plausible layer stack and board size look like for the job. It is not copied. The licence above is permissive, and it, the repository and the commit are recorded so the origin of anything derived from it is always answerable.