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Timestamper

jelson·rulos·Schematics/Timestamper/Rev C/Timestamper.kicad_pcb

Timestamper PCB layout, top view — open source STM32 board by jelson
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About the Timestamper PCB

Timestamper is an open source STM32 PCB design by jelson, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 46 × 100 mm, with 60 components from 21 distinct parts.

Its main chip is the STM32H523CXUX, from the STM32 family. Other key parts include the LP5907MFX-3.3 and USBLC6-2SC6. By type, the board carries 16 resistors, 14 diodes, 12 capacitors, 10 connectors, 4 test points and 3 ICs.

It belongs with the displays & leds designs in this gallery.

From the project

Ravenna Ultra-Low-Altitude Operating System: An embedded OS for AVR and ARM CPUs

Main components on the Timestamper

STM32H523CXUXLP5907MFX-3.3USBLC6-2SC6

Timestamper bill of materials (BOM)

60 components, 21 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32H523CXUX
STM32H523CxUx
U1
1
LP5907MFX-3.3
U2
1
USBLC6-2SC6
U3
5
SMA TH RA
J1, J2, J3, J4, J5
1
0.1" Header
J6
2
0.1" Header
J7, J8
1
USB_C_RECEPTACLE_USB2.0
USB_C_Receptacle_USB2.0
J9
1
0.05" 5x2
J10
1
Tact buton
SW1
4
TestPoint
TP1, TP2, TP3, TP4
1
PESD5V0H1BSF
D1
5
BAT54S
D2, D3, D4, D5, D14
7
Green LED
D6, D7, D8, D9, D10, D11, D12
1
SMF5V0A
D13
9
2.2uF 10V
C1, C2, C3, C4, C6, C7, C8, C9 +1
1
1nF 50V NP0
C5
2
10uF 16V
C10, C11
5
220
R1, R2, R3, R4, R16
2
10k 0.1%
R5, R11
7
680
R6, R7, R8, R9, R10, R12, R13
Show 1 more
QtyPartRefs
2
5.1K
5.1k
R14, R15

Timestamper design files

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

Timestamper: common questions

What microcontroller does the Timestamper use?

The Timestamper is built around the STM32H523CXUX, from the STM32 family.

How big is the Timestamper PCB?

The Timestamper measures 46 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Timestamper?

60 components, from 21 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 Timestamper design files?

From the jelson/rulos 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 Timestamper design in my own project?

Yes, under the terms of its GPL-3.0 license, which jelson chose for the repository.

Can I test firmware for the Timestamper 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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