HardLabs

BAGEL Switch MK1.1

ISSUIUC·ISS-PCB·boards/BAGEL-MK1/BAGEL-MK1.1-Avocado/BAGEL-MK1.1-Avocado.kicad_pcb

BAGEL Switch MK1.1 PCB layout, top view — open source STM32 board by ISSUIUC

About the BAGEL Switch MK1.1 PCB

BAGEL Switch MK1.1 is an open source STM32 PCB design by ISSUIUC, published on GitHub. It is a 4-layer board measuring 70 × 70 mm, with 201 components from 31 distinct parts.

Its main chip is the STM32WB1MMC, from the STM32 family. Other key parts include the W25Q16JLUX, XC6223T331GR-G, TCAL9538, ISO7742 and SN74AUP1G74RSER. By type, the board carries 73 resistors, 57 capacitors, 29 ICs, 24 diodes and 18 connectors.

It belongs with the sensors designs in this gallery.

From the project

Building custom flight computers

Archive: Moved to the Archive repo... check it out! 😁 Boards: Contains all of the present boards the team is working on Docs: Contains various documents pertaining to PCB designs Libs: Contains various templates, symbols and footprints that we use when designing PCBs * Scripts: Contains various codes used in PCB development

When you commit changes to the repository, they will generally be found in the Boards folder.

Main components on the BAGEL Switch MK1.1

W25Q16JLUXSTM32WB1MMCXC6223T331GR-GTCAL9538ISO7742SN74AUP1G74RSERTPS25947

BAGEL Switch MK1.1 bill of materials (BOM)

201 components, 31 distinct parts.

QtyPartRefs
1
W25Q16JLUX
U101
1
STM32WB1MMC
U102
7
XC6223T331GR-G
TPS7A25
U103, U203, U303, U403, U503, U603, U703
2
TCAL9538
U104, U105
6
ISO7742
U201, U301, U401, U501, U601, U701
6
SN74AUP1G74RSER
U202, U302, U402, U502, U602, U702
6
TPS25947
U204, U304, U404, U504, U604, U704
14
Conn_01x02
J101, J102, J103, J104, J105, J106, J109, J110 +6
1
Conn_01x03
J107
1
Conn_01x04
J108
1
Conn_01x02
J111
1
Conn_01x04
J112
7
SDM05U40CSP-7
D101, D201, D301, D401, D501, D601, D701
8
RED
D102, D103, D202, D302, D402, D502, D602, D702
1
ORANGE
D104
7
GREEN
D105, D203, D303, D403, D503, D603, D703
1
BLUE
D106
30
100nF
C101, C103, C104, C105, C108, C109, C201, C202 +22
1
4.7uF
C102
7
1uF
C106, C204, C304, C404, C504, C604, C704
Show 11 more
QtyPartRefs
7
2.2uF
C107, C205, C305, C405, C505, C605, C705
6
100uF
C206, C306, C406, C506, C606, C706
6
22uF
C208, C308, C408, C508, C608, C708
28
10k
R101, R102, R103, R113, R201, R202, R204, R205 +20
13
4.7k
R104, R105, R106, R107, R108, R109, R112, R203 +5
2
100k
R110, R111
6
680
R206, R306, R406, R506, R606, R706
6
390k
R207, R307, R407, R507, R607, R707
6
300k
R208, R308, R408, R508, R608, R708
6
500k
R209, R309, R409, R509, R609, R709
6
1k
R210, R310, R410, R510, R610, R710

BAGEL Switch MK1.1 design files

The KiCad project lives in the ISSUIUC/ISS-PCB repository on GitHub; these links point at the commit this page was built from.

BAGEL Switch MK1.1: common questions

What microcontroller does the BAGEL Switch MK1.1 use?

The BAGEL Switch MK1.1 is built around the STM32WB1MMC, from the STM32 family.

How big is the BAGEL Switch MK1.1 PCB?

The BAGEL Switch MK1.1 measures 70 × 70 mm, has 4 copper layers and is 1.6062 mm thick.

How many components are on the BAGEL Switch MK1.1?

201 components, from 31 distinct parts. The full bill of materials is listed on this page.

Where can I download the BAGEL Switch MK1.1 design files?

From the ISSUIUC/ISS-PCB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the BAGEL Switch MK1.1 design in my own project?

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

Can I test firmware for the BAGEL Switch MK1.1 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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