HardLabs

InclinationMeter

soldernerd·InclinationMeter·KiCad/InclinationMeter.kicad_pcb

InclinationMeter PCB layout, top view — open source STM32 board by soldernerd

About the InclinationMeter PCB

InclinationMeter is an open source STM32 PCB design by soldernerd, published on GitHub. It is a 4-layer board measuring 90 × 70 mm, with 114 components from 41 distinct parts.

Its main chip is the STM32G0B1RET6, from the STM32 family. Other key parts include the DW01A, LP5907MFX-3.3/NOPB, TP4056, SD6210A and RN4871-I/RM128. By type, the board carries 43 capacitors, 37 resistors, 12 ICs, 7 connectors, 5 transistors and 4 diodes.

It belongs with the power & battery, iot & wireless and displays & leds designs in this gallery.

From the project

A battery-powered, Bluetooth-enabled precision electronic level instrument for machine tool geometry inspection and granite surface plate qualification.

A battery-powered, Bluetooth-enabled precision electronic level instrument for machine tool geometry inspection and granite surface plate qualification.

The instrument combines a MEMS 3-axis inclinometer (Murata SCL3300) with a high-resolution pendulum-based capacitive sensor (Sciosense PCAP04), a 2.7" Sharp Memory LCD display, and a Bluetooth Low Energy interface to a companion Windows application. All precision sensing is mechanically coupled directly to a cast iron reference base, isolated from the plastic enclosure.

Main components on the InclinationMeter

DW01ALP5907MFX-3.3/NOPBTP4056SD6210ASTM32G0B1RET6RN4871-I/RM128SN74AHCT244DBR24LC256-I/STBME280SN74HC14PWRLM35

InclinationMeter bill of materials (BOM)

114 components, 41 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
DW01A
Fortune Semicon
U1
2
LP5907MFX-3.3/NOPB
TI
U2, U4
1
TP4056
TPOWER
U3
1
SD6210A
SHOUDING
U5
1
STM32G0B1RET6
U6
1
RN4871-I/RM128
Microchip
U7
1
SN74AHCT244DBR
TI
U8
1
24LC256-I/ST
Microchip
U9
1
BME280
Bosch Sensortec
U10
1
SN74HC14PWR
TI
U11
1
LM35
U12
2
DMG2305UX-13
Diodes Inc.
Q1, Q3
1
FS8205A
Fortune Semicon
Q2
2
AO3400A
Alpha & Omega Semiconductor
Q4, Q5
1
Q13FC1350000400
Seiko Epson
Y1
1
X50328MSB2GI
YXC
Y2
1
B2B-PH-K-S
JST_PH_2.0mm_1x02
JST
J1
1
TYPE-C-31-M-12
USB_C
Korean Hroparts Elec
J2
1
Header_FFC_1.0mm_06
JUSHUO
J3
1
HEADER_50MIL_2X07
Header_50mil_2x07
J4
Show 21 more
QtyPartRefs
2
Header_FFC_1.0mm_10
JUSHUO
J5, J6
1
B3B-PH-K-S
JST_PH_2.0mm_1x03
JST
J7
1
CPT-9019A-SMT-TR
CUI
BZ1
1
LS027B7DH01
Sharp
DS1
2
PEC11R-4215F-S0024
Bourns
SW1, SW2
1
KT-0603R
LED_Red_0603
KENTO
D1
2
19-217/GHC-YR1S2/3T
LED_Green_0603
EVERLIGHT
D2, D3
1
KT-0603Y
LED_Yellow_0603
KENTO
D4
3
CL21B105KBFNNNE
1u
Samsung
C1, C6, C16
24
CC0603KRX7R9BB104
100n
Yageo
C2, C3, C8, C11, C12, C13, C17, C18 +16
6
CC1206KKX7R8BB106
10u
Yageo
C4, C5, C7, C9, C10, C14
2
GCM21BR71C225KA64L
2u2
Murata
C15, C29
2
CL10C150JB8NNNC
15p
Samsung Electro-Mechanics
C19, C20
2
CL10C330JB8NNNC
33p
Samsung Electro-Mechanics
C21, C22
4
0603B103K500NT
10n
Fenghua
C24, C25, C31, C33
4
0603WAF1003T5E
100k
Uni-Royal
R1, R8, R28, R31
4
0603WAF2001T5E
2k
Uni-Royal
R2, R4, R26, R37
5
0603WAF1001T5E
1k
Uni-Royal
R3, R6, R7, R10, R11
15
0603WAF3302T5E
33k
Uni-Royal
R5, R9, R12, R13, R14, R15, R16, R17 +7
8
0603WAF5101T5E
5k1
Uni-Royal
R18, R19, R27, R29, R32, R33, R35, R36
1
0603WAF6802T5E
68k
Uni-Royal
R30

InclinationMeter design files

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

InclinationMeter: common questions

What microcontroller does the InclinationMeter use?

The InclinationMeter is built around the STM32G0B1RET6, from the STM32 family.

How big is the InclinationMeter PCB?

The InclinationMeter measures 90 × 70 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the InclinationMeter?

114 components, from 41 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 InclinationMeter design files?

From the soldernerd/InclinationMeter 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 InclinationMeter design in my own project?

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

Can I test firmware for the InclinationMeter without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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