HardLabs

FOSSerZero

E440QF·FOSSerZero·flipper_main/flipper_main.kicad_pcb

FOSSerZero PCB layout, top view — open source STM32 board by E440QF

About the FOSSerZero PCB

FOSSerZero is an open source STM32 PCB design by E440QF, published on GitHub. It is a 4-layer board measuring 95.4 × 36.2 mm, with 258 components from 95 distinct parts.

Its main chip is the STM32WB55RGV6TR, from the STM32 family. By type, the board carries 90 capacitors, 75 resistors, 20 inductors, 8 switches, 7 crystals and 2 antennas.

From the project

An Open-Hardware remake of the FlipperZero made with KiCAD

FOSSerZero bill of materials (BOM)

258 components, 95 distinct parts.

QtyPartRefs
1
105450-0101
X1
1
FH34SRJ-30S-0.5SH(50)
X5
1
FH34SRJ-18S-0.5SH(50)
X6
1
5033981892
X7
1
2.54-WT-1X10
X8
1
2.54-WT-1X8
X9
1
DF13A-3P-1.25H(21)
X10
1
1001312
ANT1
1
Sub-1GHz Antenna A5
ANT2
1
LP5562TMX/NOPB
DA4
1
RS3221-3.3YF3
DA5
2
LM3281YFQR
DA6, DD7
1
STM32WB55RGV6TR
DD1
1
CC1101RGPR
DD2
1
BQ27220YZFR
DD5
1
BQ25896RTWR
DD6
1
NC7SZ32M5X
DD8
1
LFL182G45TC1A108
FLT1
1
B0310J50100AHF
FLT2
1
ERB-RD2R00X
FU4
Show 75 more
QtyPartRefs
1
ERC12864FAMF03-1-S7
HG3
2
BGS13S4N9E6327XTSA1
SW1, SW2
6
SKRMAAE010
SW3, SW4, SW5, SW6, SW7, SW8
17
ESD230B1W0201E6327XTSA1
VD1, VD2, VD3, VD11, VD13, VD14, VD15, VD16 +9
14
ESD241B1W0201E6327XTSA1
VD5, VD6, VD7, VD8, VD9, VD10, VD12, VD26 +6
4
1N4148X-TP
VD28, VD31, VD32, VD36
1
DNP
VD37
1
DMP1045U-7
VT1
1
MMDT2907A-7-F
VT2
1
DMN313DLT-7
VT5
1
FC-135 32.7680KA-A3
ZQ1
1
CXD2-032000000-1010B
ZQ2
1
ECS-260-8-36-CKY-TR
ZQ3
1
LTST-C19HE1WT
VD4
2
2.7nH
L1, L11
1
3 nH
L2
1
10uH
L3
1
3.3nH
L4
1
6.8nH
L5
5
0R
L6, L7, L8, L18, L20
1
2.2nH
L9
1
DNP
L10
1
1uH
L12
3
470nH
L13, L14, L15
1
56nH
L16
1
22nH
L17
1
27nH
L19
18
0.1uF
C1, C12, C13, C14, C18, C22, C24, C25 +10
16
DNP
C2, C3, C31, C39, C40, C44, C50, C51 +8
2
18pF
C4, C10
1
0.8pF
C5
1
0.3pF
C6
1
1.5pF
C7
1
DNP
C8
5
10uF
C9, C80, C83, C86, C87
6
4.7uF
C15, C19, C20, C73, C77, C81
6
1uF
C16, C21, C59, C63, C74, C75
3
10nF
C17, C46, C47
3
100pF
C23, C29, C38
1
1.2pF
C32
1
0.6pF
C33
2
9pF
C34, C35
2
10pF
C42, C43
1
8.2pF
C45
8
10uF
C48, C60, C61, C67, C68, C70, C71, C72
7
2.2uF
C54, C58, C66, C76, C78, C79, C82
1
DNP
C62
1
47nF
C64
1
470nF
C65
1
1uF
C69
1
22pF
C91
2
5K1
R1, R2
4
100K
R3, R4, R60, R64
11
DNP
R5, R17, R18, R43, R52, R65, R66, R67 +3
6
51R
R6, R7, R24, R26, R28, R29
2
22R
R8, R9
4
WA04X510JTL
R10, R11, R32, R33
2
0R
R12, R15
1
56K
R13
7
330R
R14, R54, R55, R56, R57, R58, R59
2
1R5
R16, R70
6
0R
R19, R20, R25, R27, R30, R72
3
47K
R21, R22, R68
2
150R
R23, R31
11
10K
R34, R35, R44, R46, R47, R49, R50, R51 +3
1
470R
R36
1
0R01
R37
1
5K23
R38
1
30K1
R39
2
1K5
R40, R41
1
4K7
R42
1
100R
R45
2
3R3
R48, R71
1
510R
R63
1
1K
R69

FOSSerZero design files

The KiCad project lives in the E440QF/FOSSerZero repository on GitHub; these links point at the commit this page was built from.

FOSSerZero: common questions

What microcontroller does the FOSSerZero use?

The FOSSerZero is built around the STM32WB55RGV6TR, from the STM32 family.

How big is the FOSSerZero PCB?

The FOSSerZero measures 95.4 × 36.2 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the FOSSerZero?

258 components, from 95 distinct parts. The full bill of materials is listed on this page.

Where can I download the FOSSerZero design files?

From the E440QF/FOSSerZero repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the FOSSerZero design in my own project?

The repository has no license, so all rights stay with E440QF. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the FOSSerZero 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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