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STM-32 Based Waveform Generator

devjamescollier·STM-32_Based_Waveform_Generator·Hardware/KiCad_Files/STM32-Based_Programmable_Waveform_Generator.kicad_pcb

STM-32 Based Waveform Generator PCB layout, top view — open source STM32 board by devjamescollier

About the STM-32 Based Waveform Generator PCB

STM-32 Based Waveform Generator is an open source STM32 PCB design by devjamescollier, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 52 × 48 mm, with 48 components from 30 distinct parts.

Its main chip is the STM32C031K6Tx, from the STM32 family. Other key parts include the MCP4901, LM1117IMP-3.3/NOPB and TLV2372. By type, the board carries 14 resistors, 11 capacitors, 5 diodes, 4 ICs, 4 test points and 3 connectors.

It belongs with the test & measurement designs in this gallery.

From the project

USB-powered programmable function generator built around an STM32C031K6T6 microcontroller and MCP4901 DAC. Generates clean sine, triangle, and square waveforms with amplitude control via potentiometer, mode selection via buttons, and visual feedback through status/signal LEDs.

USB-powered programmable function generator built around an STM32C031K6T6 microcontroller and MCP4901 DAC. Generates clean sine, triangle, and square waveforms with amplitude control via potentiometer, mode selection via buttons, and visual feedback through status/signal LEDs.

Designed for lab and bench use with an SWD programming header, multiple test points, and robust power protection.

STM-32 Based Waveform Generator, from the project README
From the project README

Main components on the STM-32 Based Waveform Generator

STM32C031K6TxMCP4901LM1117IMP-3.3/NOPBTLV2372

STM-32 Based Waveform Generator bill of materials (BOM)

48 components, 30 distinct parts.

QtyPartRefs
1
STM32C031K6Tx
U1
1
MCP4901
U2
1
LM1117IMP-3.3/NOPB
U4
1
TLV2372
U5
2
IRLML0030
Q3, Q4
1
Conn_01x05
J1
1
USB_B_Micro
J2
1
Conn_01x02
J3
1
R_Potentiometer
RV1
1
SIGNAL_SW
SW1
1
RESET_SW
SW2
1
SETTINGS_SW
SW3
1
Polyfuse
TH1
4
TestPoint
TP1, TP2, TP3, TP4
1
LED_SIGNAL_1
D1
1
LED_SIGNAL_2
D2
1
LED_SIGNAL_3
D3
1
LED_SETTINGS_1
D4
1
LED_SETTINGS_2
D5
6
100n
C1, C3, C4, C5, C9, C10
Show 10 more
QtyPartRefs
1
10u
C2
1
10u
C6
2
10u
C7, C8
1
100nF
C11
1
560
R1
2
4k6
R2, R4
1
6.8k
R3
4
10k
R5, R7, R9, R11
5
220
R6, R10, R12, R13, R14
1
5k6
R8

STM-32 Based Waveform Generator design files

The KiCad project lives in the devjamescollier/STM-32_Based_Waveform_Generator repository on GitHub; these links point at the commit this page was built from.

STM-32 Based Waveform Generator: common questions

What microcontroller does the STM-32 Based Waveform Generator use?

The STM-32 Based Waveform Generator is built around the STM32C031K6Tx, from the STM32 family.

How big is the STM-32 Based Waveform Generator PCB?

The STM-32 Based Waveform Generator measures 52 × 48 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the STM-32 Based Waveform Generator?

48 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the STM-32 Based Waveform Generator design files?

From the devjamescollier/STM-32_Based_Waveform_Generator repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the STM-32 Based Waveform Generator design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which devjamescollier chose for the repository.

Can I test firmware for the STM-32 Based Waveform Generator 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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