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CM4RadarBoard

inventor02·low-cost-mmwave·pcbs/CM4RadarBoard/CM4RadarBoard.kicad_pcb

CM4RadarBoard PCB layout, top view — open source Raspberry Pi board by inventor02
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About the CM4RadarBoard PCB

CM4RadarBoard is an open source Raspberry Pi PCB design by inventor02, published on GitHub. It is a 6-layer board measuring 83.8 × 65.2 mm, with 242 components from 68 distinct parts.

Its main chip is the ComputeModule4-CM4, from the Raspberry Pi family. Other key parts include the AP64500SP-13, FSUSB42MUX and USB2514B_Bi. By type, the board carries 126 resistors, 66 capacitors, 14 connectors, 14 diodes, 5 inductors and 4 ICs.

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

From the project

University of Southampton Group Design Project: Collaborative Robot Perception with mm-Wave Radar

Collaborative Robot Perception with mm-Wave Radar, School of Electronics and Computer Science, University of Southampton

Main components on the CM4RadarBoard

AP64500SP-13FSUSB42MUXUSB2514B_Bi

CM4RadarBoard bill of materials (BOM)

242 components, 68 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
AP64500SP-13
IC1, IC2
1
FSUSB42MUX
U1
1
USB2514B_Bi
U2
2
2N7002
Q1, Q2
2
FDN340P
Q3, Q4
1
24MHz
Y1
1
QTH-030-01-L-D-A
Conn_01x22_MountingPin
J1
1
Conn_01x22_MountingPin
J2
1
2199119-3
J3
2
Conn_01x15_MountingPin
J4, J5
1
Conn_02x05_Odd_Even
J6
3
9774015360R
J7, J8, J9
1
503960-0695
J10
1
Micro_SD_Card
J11
2
USB_C_Receptacle_USB2.0_16P
J12, J13
1
Conn_01x04_Socket
J14
1
Fuse
F1
4
Coilcraft_0805USB
FL1, FL2, FL3, FL4
1
ComputeModule4-CM4
Module1
1
SW_Push
SW1
Show 48 more
QtyPartRefs
1
SW_DIP_x06
SW2
3
LED
D1, D2, D3
1
SMAJ14A
D4
1
D_Schottky
D5
3
D_Schottky
D6, D9, D12
6
ESD5Z3.3
D7, D8, D10, D11, D13, D14
3
FerriteBead
FB1, FB2, FB3
1
3u6
L1
1
3u3
L2
2
CL31A476MQHNNNE
100n
C1, C2
1
CL31A476MQHNNNE
10u
C3
17
10u
C4, C7, C8, C18, C19, C20, C21, C26 +9
19
100n
C5, C6, C9, C10, C11, C22, C23, C24 +11
6
47n
C12, C13, C14, C15, C16, C17
4
NF
C30, C31, C40, C41
2
56p NF
C36, C37
2
2n7
C38, C39
6
22u
C42, C43, C44, C45, C46, C47
1
10u
C48
4
33p
C52, C53, C55, C56
2
12p
C57, C58
51
0R
R1, R2, R4, R5, R6, R7, R8, R9 +43
6
0R NF
R3, R16, R29, R32, R39, R40
1
12K
R28
2
3k
R41, R42
1
2k
R43
15
0R
R62, R63, R64, R68, R72, R73, R74, R75 +7
4
2K7 NF
R65, R66, R67, R71
4
0R NF
R69, R70, R114, R116
2
1K
R81, R82
6
10K
R83, R84, R85, R86, R89, R91
4
NF
R87, R88, R90, R92
2
200k
R93, R94
1
15k8
R95
1
10k5
R96
1
43K
R97
1
8K2
R98
1
69k8
R99
1
22k1
R100
1
0R
R101
3
1Meg
R102, R103, R104
1
2K2 NF
R105
1
2K2
R106
4
5K1 <10%
R107, R108, R109, R110
3
0R NF
R111, R112, R117
4
36K
R118, R119, R120, R121
1
12K 1%
R122
4
10k NF
R123, R124, R125, R126

CM4RadarBoard design files

The KiCad project lives in the inventor02/low-cost-mmwave repository on GitHub; these links point at the commit this page was built from.

CM4RadarBoard: common questions

What microcontroller does the CM4RadarBoard use?

The CM4RadarBoard is built around the ComputeModule4-CM4, from the Raspberry Pi family.

How big is the CM4RadarBoard PCB?

The CM4RadarBoard measures 83.8 × 65.2 mm, has 6 copper layers and is 1.5584 mm thick.

How many components are on the CM4RadarBoard?

242 components, from 68 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the CM4RadarBoard design files?

From the inventor02/low-cost-mmwave repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the CM4RadarBoard design in my own project?

The repository has no license, so all rights stay with inventor02. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the CM4RadarBoard without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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