HardLabs

Drum

eddyem·STM8_samples·DRUM/schematics/drum.kicad_pcb

Drum PCB layout, top view — open source STM32 board by eddyem

About the Drum PCB

Drum is an open source STM32 PCB design by eddyem, published on GitHub. It is a 2-layer board measuring 57 × 34 mm, with 36 components from 9 distinct parts.

Its main chip is the STM8S105BOARD, from the STM32 family. By type, the board carries 21 connectors, 6 transistors, 4 resistors, 2 capacitors and 1 crystal.

From the project

Some code samples and ready projects based on STM8 (deprecated)

Drum bill of materials (BOM)

36 components, 9 distinct parts.

QtyPartRefs
6
2N7002
Q1, Q2, Q3, Q4, Q5, Q6
1
STM8S105BOARD
X1
1
CONN_10
P7
20
CONN_1
P8, P9, P10, P11, P12, P13, P15, P16 +12
1
TDA2822
DA1
1
CD74HC154
DD1
2
100u
C3, C4
3
10k
R1, R2, R4
1
3.3k
R3

Drum design files

The KiCad project lives in the eddyem/STM8_samples repository on GitHub; these links point at the commit this page was built from.

Drum: common questions

What microcontroller does the Drum use?

The Drum is built around the STM8S105BOARD, from the STM32 family.

How big is the Drum PCB?

The Drum measures 57 × 34 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Drum?

36 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Drum design files?

From the eddyem/STM8_samples repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Drum design in my own project?

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

Can I test firmware for the Drum 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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