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HP34401a-OLED-HW

openscopeproject·HP34401a-OLED-HW

HP34401a-OLED-HW PCB layout, top view — open source STM32 board by openscopeproject

About the HP34401a-OLED-HW PCB

HP34401a-OLED-HW is an open source STM32 PCB design by openscopeproject, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 30 × 33.5 mm, with 25 components from 16 distinct parts.

Its main chip is the STM32F103C8Tx, from the STM32 family. Other key parts include the LM1117-3.3 and AT24C02. By type, the board carries 9 resistors, 7 capacitors, 3 ICs, 3 diodes, 2 connectors and 1 crystal.

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

From the project

HP34401a DMM OLED display mod hardware

This is repository for hardware part of the mod.

See firmware repository for more information.

This board was designed in KiCad 5 and uses exclusively standard KiCad libraries.

HP34401a-OLED-HW, from the project README
From the project README

Main components on the HP34401a-OLED-HW

STM32F103C8TxLM1117-3.3AT24C02

HP34401a-OLED-HW bill of materials (BOM)

25 components, 16 distinct parts.

QtyPartRefs
1
STM32F103C8Tx
U1
1
LM1117-3.3
U2
1
AT24C02
U3
1
8M
Y1
1
USB_B_Micro
J1
1
DISPLAYPWR
J5
1
PWR
D1
1
STATUS
D2
1
BAT54C
D3
2
47uF
C1, C2
5
0.1uF
C3, C4, C5, C6, C7
3
100k
R1, R7, R8
1
1K5
R2
2
1K
R3, R4
2
22R
R5, R6
1
10K
RN1

HP34401a-OLED-HW design files

The KiCad project lives in the openscopeproject/HP34401a-OLED-HW repository on GitHub; these links point at the commit this page was built from.

HP34401a-OLED-HW: common questions

What microcontroller does the HP34401a-OLED-HW use?

The HP34401a-OLED-HW is built around the STM32F103C8Tx, from the STM32 family.

How big is the HP34401a-OLED-HW PCB?

The HP34401a-OLED-HW measures 30 × 33.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HP34401a-OLED-HW?

25 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the HP34401a-OLED-HW design files?

From the openscopeproject/HP34401a-OLED-HW repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the HP34401a-OLED-HW design in my own project?

Yes, under the terms of its CERN-OHL-1.2 license, which openscopeproject chose for the repository.

Can I test firmware for the HP34401a-OLED-HW 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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