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Espamp

marmbrus·circuits·espamp/espamp.kicad_pcb

Espamp PCB layout, top view — open source ESP32 board by marmbrus
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About the Espamp PCB

Espamp is an open source ESP32 PCB design by marmbrus, published on GitHub. It is a 4-layer board measuring 68.8 × 135.2 mm, with 101 components from 35 distinct parts.

Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the TPD6S300A, TPS25730D, TPS54202DDC, CYA1040-15UH and TAS5825MRHB. By type, the board carries 43 capacitors, 28 resistors, 11 ICs, 9 LEDs, 4 inductors and 2 transistors.

Main components on the Espamp

ESP32-S3-WROOM-1TPD6S300ATPS25730DTPS54202DDCCYA1040-15UHTAS5825MRHBMPP684J2S1001TPS73733DCQ_C5220270

Espamp bill of materials (BOM)

101 components, 35 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-S3-WROOM-1
U201
1
TPD6S300A
U301
1
TPS25730D
U302
1
TPS54202DDC
U401
1
CYA1040-15UH
U402
1
TAS5825MRHB
U501
4
MPP684J2S1001
U502, U503, U504, U505
1
TPS73733DCQ_C5220270
U701
2
BSS138
Q701, Q702
1
C160390
BM04B-SRSS-TB(LF)(SN)
CN701
2
KEY-SMD_B3U-1000PM
SW201, SW202
1
TYPE-C-31-M-12
USBC301
9
WS2812B-2020
LED201, LED202, LED203, LED204, LED205, LED206, LED207, LED208 +1
4
SL1040-100M
L501, L502, L503, L504
9
1UF
1uF
C201, C302, C502, C503, C506, C516, C701, C703 +1
9
22UF
22uF
C202, C312, C313, C404, C405, C507, C508, C514 +1
9
100NF
100nF
C203, C301, C303, C306, C402, C403, C504, C505 +1
4
10UF
10uF
C204, C309, C311, C401
3
4.7UF
4.7uF
C304, C310, C501
2
330PF
330pF
C305, C307
Show 15 more
QtyPartRefs
2
10NF
10nF
C308, C702
1
75PF
75pF
C406
4
MPP474J2A0701
C509, C510, C511, C512
15
10K
10k
R201, R202, R203, R204, R302, R311, R312, R313 +7
1
1M
R301
1
162K
162k
R303
1
37.4
R304
2
191K
191k
R305, R308
2
9.31K
9.31k
R306, R307
1
196K
196k
R309
1
2.2K
2.2k
R310
1
49.9
R401
1
100K
100k
R402
1
13.3K
13.3k
R403
1
0
R505

Espamp design files

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

Espamp: common questions

What microcontroller does the Espamp use?

The Espamp is built around the ESP32-S3-WROOM-1, from the ESP32 family.

How big is the Espamp PCB?

The Espamp measures 68.8 × 135.2 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Espamp?

101 components, from 35 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Espamp design files?

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

Can I use the Espamp design in my own project?

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

Can I test firmware for the Espamp without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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