HardLabs

Flute

Kreyl·Flute·Flute_hw/Flute.kicad_pcb

Flute PCB layout, top view — open source STM32 board by Kreyl

About the Flute PCB

Flute is an open source STM32 PCB design by Kreyl, published on GitHub. It is a 4-layer board measuring 310.5 × 21.4 mm, with 103 components from 40 distinct parts.

Its main chip is the STM32L476RCT6, from the STM32 family. By type, the board carries 48 capacitors, 13 resistors, 7 switches, 3 inductors, 2 transistors and 2 diodes.

Flute bill of materials (BOM)

103 components, 40 distinct parts.

QtyPartRefs
2
IRLML6401
Q1, Q2
1
ANT_PCB_MONO
ANT1
1
0896BM15A0001E
BALUN868JOHANSON
BLN1
1
CS42L52
DA1
1
NCP511SN25
DA2
1
MCP1700T-3302E/TT
MCP1700
DA3
1
TP4056
DA4
1
CC1101
DD1
1
STM32L476RCT6
STM32L476Rx
DD2
1
LSM6DS3
DD3
8
HOLE_METALLED
HOLE1, HOLE2, HOLE3, HOLE4, HOLE5, HOLE6, HOLE7, HOLE8
7
BUTTON
SW1, SW2, SW3, SW4, SW5, SW6, SW7
1
TESTPOINT
TP1
1
CONN_6
XL1
1
CONN_MICROSD
XL2
1
USB_MICRO
XL3
2
CONN_1
XL4, XL5
1
CONN_1
XL6
2
CONN_1
XL7, XL8
1
12MHz
XTAL1
Show 20 more
QtyPartRefs
1
27MHz
XTAL2
1
LED
D1
1
PMEG2020
D2
1
12nH
L1
2
BLM15AG102SN1
L2, L3
1
DoNotMount
C1
1
3pF
C2
4
18pF
C3, C4, C5, C6
21
0.1u
C7, C9, C10, C11, C12, C13, C14, C15 +13
12
1u
C8, C21, C24, C25, C28, C32, C33, C37 +4
1
10n
C16
4
CL10A106MQ8NNNC
10u
C17, C29, C46, C47
2
150pF
C34, C36
2
10u
C35, C43
3
1k
R1, R2, R4
2
56k
R3, R5
2
100k
R6, R7
4
10k
R8, R9, R11, R13
1
0R2
R10
1
1.2k
R12

Flute design files

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

Flute: common questions

What microcontroller does the Flute use?

The Flute is built around the STM32L476RCT6, from the STM32 family.

How big is the Flute PCB?

The Flute measures 310.5 × 21.4 mm, has 4 copper layers and is 1.5 mm thick.

How many components are on the Flute?

103 components, from 40 distinct parts. The full bill of materials is listed on this page.

Where can I download the Flute design files?

From the Kreyl/Flute repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Flute design in my own project?

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

Can I test firmware for the Flute 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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