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8-Channel-Wireless-EEG

unaldevelopment·8-Channel-Wireless-EEG

8-Channel-Wireless-EEG PCB layout, top view — open source STM32 board by unaldevelopment

About the 8-Channel-Wireless-EEG PCB

8-Channel-Wireless-EEG is an open source STM32 PCB design by unaldevelopment, published on GitHub under the MIT license. It is a 2-layer board measuring 81.5 × 54.9 mm, with 132 components from 38 distinct parts.

Its main chip is the STM32F446RE, from the STM32 family. Other key parts include the ADS1299-8CHANNEL, LD39050PU33R, TPS60403DBVT, TPS73225DBVT and TPS72325DBVT. By type, the board carries 77 capacitors, 28 resistors, 8 connectors, 7 ICs, 5 diodes and 4 inductors.

It belongs with the iot & wireless designs in this gallery.

8-Channel-Wireless-EEG, from the project README
From the project README

Main components on the 8-Channel-Wireless-EEG

STM32F446READS1299-8CHANNELLD39050PU33RTPS60403DBVTTPS73225DBVTTPS72325DBVTRN4678-V_RM100

8-Channel-Wireless-EEG bill of materials (BOM)

132 components, 38 distinct parts.

QtyPartRefs
1
STM32F446RE
U1
1
ADS1299-8CHANNEL
U2
1
LD39050PU33R
U3
1
TPS60403DBVT
U4
1
TPS73225DBVT
U5
1
TPS72325DBVT
U6
1
RN4678-V_RM100
U12
1
16.00Mhz
Y1
4
Conn_01x05_Male
J1, J2, J3, J4
1
Conn_01x10
J5
2
Conn_01x10_Male
J6, J7
1
USB_B_Mini
J10
1
2.048mhz
HC7361
1
EVQ-Q2K03W
SW3
5
LED
D1, D2, D3, D4, D7
4
3.3uH
L1, L2, L4, L5
10
10uF
C1, C20, C104, C105, C109, C110, C114, C115 +2
18
4.7nF
C2, C3, C4, C5, C6, C7, C8, C9 +10
16
1uF
C40, C48, C49, C50, C54, C58, C63, C66 +8
16
0.1uF
C41, C52, C53, C56, C57, C59, C61, C64 +8
Show 18 more
QtyPartRefs
1
2.2uF
C42
1
1.5nF
C51
1
100uF
C62
1
10uF
C65
1
4.7uF
C67
1
100uF
C69
2
9pF
C80, C81
1
0.1uF
C83
2
1uF_X5R_0603
C100, C102
2
100nF
C101, C103
3
2.2uF
C113, C116, C118
1
0.01uF
C117
19
4.99k
R1, R2, R3, R4, R5, R6, R7, R8 +11
3
R_Small
R20, R21, R22
3
10K
R26, R28, R29
1
1M
R27
1
270
R31
1
270
R32

8-Channel-Wireless-EEG design files

The KiCad project lives in the unaldevelopment/8-Channel-Wireless-EEG repository on GitHub; these links point at the commit this page was built from.

8-Channel-Wireless-EEG: common questions

What microcontroller does the 8-Channel-Wireless-EEG use?

The 8-Channel-Wireless-EEG is built around the STM32F446RE, from the STM32 family.

How big is the 8-Channel-Wireless-EEG PCB?

The 8-Channel-Wireless-EEG measures 81.5 × 54.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 8-Channel-Wireless-EEG?

132 components, from 38 distinct parts. The full bill of materials is listed on this page.

Where can I download the 8-Channel-Wireless-EEG design files?

From the unaldevelopment/8-Channel-Wireless-EEG repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the 8-Channel-Wireless-EEG design in my own project?

Yes, under the terms of its MIT license, which unaldevelopment chose for the repository.

Can I test firmware for the 8-Channel-Wireless-EEG 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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