HardLabs

DC31 CHV Badge Board

car-hacking-village·DC31_CHV_Badge_Board

DC31 CHV Badge Board layout, top view — open source RP2040/RP2350 board by car-hacking-village

About the DC31 CHV Badge Board

DC31 CHV Badge Board is an open source RP2040/RP2350 PCB design by car-hacking-village, published on GitHub. It is a 2-layer board measuring 137.3 × 128.4 mm, with 100 components from 32 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the W25Q16JVUXIQ TR, MCP2558FD-xMNY, XC6220B331MR and HT75xx-1-SOT89. By type, the board carries 28 resistors, 26 capacitors, 19 diodes, 8 ICs, 8 switches and 6 connectors.

It belongs with the wearables designs in this gallery.

Main components on the DC31 CHV Badge Board

W25Q16JVUXIQ TRMCP2558FD-xMNYXC6220B331MRRP2040HT75xx-1-SOT89

DC31 CHV Badge Board bill of materials (BOM)

100 components, 32 distinct parts.

QtyPartRefs
1
W25Q16JVUXIQ TR
W25Q16JVUXIQ_TR
IC1
4
MCP2558FD-xMNY
U1, U4, U5, U6
1
XC6220B331MR
U2
1
RP2040
U3
1
HT75xx-1-SOT89
U7
1
PMOS
Q1
1
XYDBPCNANF-12MHz
Y1
1
USB_C_Receptacle_USB2.0
J1
1
Conn_01x02
J2
3
Conn_02x03_Odd_Even
J3, J4, J5
1
Conn_01x03
J6
1
Battery
BT1
1
Fiducial
FID1
2
PTS526 SK15 SMTR2 LFS
PTS526_SK15_SMTR2_LFS
S1, S2
6
MK-12C02-G020
S3, S4, S5, S6, S7, S8
6
D_Schottky
D1, D3, D6, D9, D11, D13
4
LED
D2, D10, D12, D14
9
LED
D15, D16, D17, D18, D19, D20, D21, D22 +1
1
100uH
L1
18
100nF
C1, C3, C4, C7, C8, C9, C11, C12 +10
Show 12 more
QtyPartRefs
3
1uF
C2, C5, C6
1
10uF
C10
2
12pF
C17, C18
1
74uF
C25
1
100uF
C26
2
120
R1, R23
7
10k
R2, R7, R9, R11, R18, R20, R22
2
5.1k
R3, R4
2
27
R5, R6
13
R
R8, R17, R19, R21, R24, R25, R26, R27 +5
1
1k
R10
1
100k
R12

DC31 CHV Badge Board design files

The KiCad project lives in the car-hacking-village/DC31_CHV_Badge_Board repository on GitHub; these links point at the commit this page was built from.

DC31 CHV Badge Board: common questions

What microcontroller does the DC31 CHV Badge Board use?

The DC31 CHV Badge Board is built around the RP2040, from the RP2040/RP2350 family.

How big is the DC31 CHV Badge Board?

The DC31 CHV Badge Board measures 137.3 × 128.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the DC31 CHV Badge Board?

100 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the DC31 CHV Badge Board design files?

From the car-hacking-village/DC31_CHV_Badge_Board repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the DC31 CHV Badge Board design in my own project?

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

Can I test firmware for the DC31 CHV Badge Board without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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