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Cvra cape

cvra·cvra-cape

Cvra cape PCB layout, top view — open source board by cvra

About the Cvra cape PCB

Cvra cape is an open source PCB design by cvra, published on GitHub. It is a 2-layer board measuring 86.4 × 54.6 mm, with 160 components from 42 distinct parts.

Other key parts include the BEAGLEBONE, MCP2515_TSSOP, SN65HVD256, BQ32000 and PCA9685. By type, the board carries 65 resistors, 18 capacitors, 16 switches, 7 ICs, 6 diodes and 5 transistors.

It belongs with the robotics & motion designs in this gallery.

From the project

Beaglebone black cape extension board for CVRA

A Beaglebone black extension board for robots used at CVRA.

Cvra cape, from the project README
From the project README

Main components on the Cvra cape

BEAGLEBONEMCP2515_TSSOPSN65HVD256BQ32000PCA9685LTC4362

Cvra cape bill of materials (BOM)

160 components, 42 distinct parts.

QtyPartRefs
1
BEAGLEBONE
U1
1
MCP2515_TSSOP
U2
2
SN65HVD256
U3, U4
1
BQ32000
U5
1
PCA9685
U6
1
LTC4362
U7
5
MBT3904DW1T1
Q1, Q2, Q3, Q4, Q5
1
8Mhz
X1
1
32768Hz
X2
13
SERVO
0, 1, 2, 3, 4, 5, 6, 7 +5
1
ML621
BT1
1
I2C
CONN1
1
UART
CONN2
2
CAN1
CONN3, CONN4
2
CAN2
CONN5, CONN6
6
ADC_2PIN
CONN7, CONN8, CONN9, CONN10, CONN11, CONN12
4
GPI
CONN13, CONN14, CONN15, CONN16
10
LOAD
CONN17, CONN18, CONN19, CONN20, CONN25, CONN26, CONN31, CONN32 +2
1
RGB
CONN40
16
MicroSwitch
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +8
Show 22 more
QtyPartRefs
1
CAN_PWR
D1
4
3.3V
D2, D3, D4, D5
1
DB2J314
D6
2
30p
C1, C3
4
100n
C2, C4, C5, C17
2
33n
C6, C12
5
TBD
C7, C8, C9, C10, C11
1
1u
C13
1
220n
C14
2
10p
C15, C16
1
10u
C18
2
4.7k
R1, R2
1
0
R3
2
330
R4, R5
18
10k
R6, R11, R12, R13, R14, R19, R20, R21 +10
1
8.2k
R7
7
820
R8, R16, R18, R26, R28, R36, R38
2
120
R9, R10
15
TBD
R15, R17, R25, R27, R35, R45, R46, R50 +7
1
4.2k
R37
15
1k
R39, R40, R41, R42, R43, R44, R48, R49 +7
1
910
R65

Cvra cape design files

The KiCad project lives in the cvra/cvra-cape repository on GitHub; these links point at the commit this page was built from.

Cvra cape: common questions

How big is the Cvra cape PCB?

The Cvra cape measures 86.4 × 54.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cvra cape?

160 components, from 42 distinct parts. The full bill of materials is listed on this page.

Where can I download the Cvra cape design files?

From the cvra/cvra-cape repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Cvra cape design in my own project?

The repository has no license, so all rights stay with cvra. Use it as a reference, and ask the author before reusing the design.

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