HardLabs

Family monitor

SomniumUrani·secure-family·hardware/family-monitor/family-monitor.kicad_pcb

Family monitor PCB layout, top view — open source STM32 board by SomniumUrani

About the Family monitor PCB

Family monitor is an open source STM32 PCB design by SomniumUrani, published on GitHub. It is a 4-layer board measuring 20.5 × 41.2 mm, with 33 components from 18 distinct parts.

Its main chip is the STM32U031C6U6, from the STM32 family. Other key parts include the MAX30102, MAX14595ETA+T, MAX1921EUT18+T, RAK3172-9-SM-NI and TPS7A0233DBVR. By type, the board carries 15 capacitors, 10 resistors, 6 ICs, 1 connector and 1 inductor.

It belongs with the rf & radio and wearables designs in this gallery.

From the project

A heart rate monitorization system based on LoRa signals for health alarms.

A solution for monitoring your beloved ones with low cost and reliable connection independent from saturated and targeted frequencies and proprietary software.

An entrepreneurship project for a university incubation program.

- [x] Mechanical - [x] PCB design - [ ] Software CANCELLED - [ ] Firmware CANCELLED

Family monitor, from the project README
From the project README

Main components on the Family monitor

MAX30102MAX14595ETA+TMAX1921EUT18+TSTM32U031C6U6RAK3172-9-SM-NITPS7A0233DBVR

Family monitor bill of materials (BOM)

33 components, 18 distinct parts.

QtyPartRefs
1
MAX30102
U1
1
MAX14595ETA+T
U2
1
MAX1921EUT18+T
U3
1
STM32U031C6U6
U4
1
RAK3172-9-SM-NI
U5
1
TPS7A0233DBVR
U6
1
USB_C_Receptacle_PowerOnly_6P
J1
1
4.6uH
L1
2
0.1uF
C1, C2
5
1uF
C3, C4, C9, C14, C15
2
4.7uF
C5, C7
1
5.6nF
C6
4
100nF
C8, C10, C12, C13
1
10nF
C11
5
4k7
R1, R2, R3, R4, R5
1
R
R6
2
10k
R7, R8
2
5k1
R9, R10

Family monitor design files

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

Family monitor: common questions

What microcontroller does the Family monitor use?

The Family monitor is built around the STM32U031C6U6, from the STM32 family.

How big is the Family monitor PCB?

The Family monitor measures 20.5 × 41.2 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Family monitor?

33 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the Family monitor design files?

From the SomniumUrani/secure-family repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Family monitor design in my own project?

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

Can I test firmware for the Family monitor 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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