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4 layers27.9 × 17.8 mmStm32l0 mod source, the printed circuit board in 3D

Tiny STM32 configurable LFO/ADSR/etc pcb

Size
27.9 × 17.8 mm
Copper layers
4
Thickness
1.6 mm
Parts
17
Nets
22
Pads
70
Tracks, vias
145, 10
Pours
2
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
12 Jun 2021
Updated
28 Apr 2024

Overview

Stm32l0 mod source is an open-source printed circuit board by JordanAceto, from the JordanAceto/stm32l0_mod_source repository on GitHub, published under the CC-BY-4.0 licence. It is a 4-layer board of 27.9 × 17.8 mm with 17 parts on 22 nets, routed with 145 tracks and 10 vias.

It is built around the MCP4822-E/P. Its parts include 10 capacitors, 3 connectors, 2 ICs and 1 resistor. It belongs with the audio and music boards and the STM32 boards of this library.

Main components

1

README

readme.md

Small STM32L0 based modulation source PCB

Features:

  • tiny pcb
  • four analog inputs
  • three digital input/outputs
  • two analog outputs
  • it can be configured for various modulation duties, such as
    • a dual LFO
    • a single ADSR
    • other things?
  • drop it into various projects that need a small modulation source

Status:

TaskStatus
Schematic capture☑
PCB layout☑
Test build☑
Safe to order boards☑

Parts

17
QtyValueFootprintReferences
5100nCapacitor_SMD:C_0603_1608MetricC2, C3, C4, C6, C8
21uCapacitor_SMD:C_0805_2012MetricC9, C10
22u2Capacitor_SMD:C_0805_2012MetricC1, C5
1100R @ 100MHzInductor_SMD:L_0805_2012MetricFB1
110kResistor_SMD:R_0603_1608MetricR1
110uCapacitor_SMD:C_0805_2012MetricC7
1MCP4822Package_SO:MSOP-8_3x3mm_P0.65mmU2
1STM32L031F4PxPackage_SO:TSSOP-20_4.4x6.5mm_P0.65mmU1
1SWD_headerConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ3
1inputsConnector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_VerticalJ1
1signal_outputsConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ2

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Questions

How big is the Stm32l0 mod source PCB?

It measures 27.9 × 17.8 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Stm32l0 mod source use?

17 parts, built around the MCP4822-E/P. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Stm32l0 mod source KiCad files?

From the JordanAceto/stm32l0_mod_source repository on GitHub, at the commit this page was made from: the board is kicad_6/stm32l0_mod_source.kicad_pcb and its schematic kicad_6/stm32l0_mod_source.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Stm32l0 mod source design in my own project?

Its repository publishes it under the CC-BY-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).