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LAN-Module-PoE

jorticus·esp32-poe-dev

LAN-Module-PoE layout, top view — open source ESP32 board by jorticus
Simulate this board

About the LAN-Module-PoE

LAN-Module-PoE is an open source ESP32 PCB design by jorticus, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 25.3 × 61 mm, with 100 components from 43 distinct parts.

Its main chip is the ESP32-U4WDH, from the ESP32 family. Other key parts include the Si3404, LV2842XLVDDCR and RTL8201F. By type, the board carries 30 resistors, 29 connectors, 27 capacitors, 4 ICs, 4 inductors and 3 diodes.

It belongs with the dev boards & breakouts and iot & wireless designs in this gallery.

From the project

Compact ESP32 PoE dev board

WARNING: PoE is NOT ISOLATED! Be careful what you attach.

See jared.geek.nz/esp32-poe-devboard for the story.

LAN-Module-PoE, from the project README
From the project README

Main components on the LAN-Module-PoE

ESP32-U4WDHSi3404LV2842XLVDDCRRTL8201F

LAN-Module-PoE bill of materials (BOM)

100 components, 43 distinct parts.

QtyPartRefs
1
ESP32-U4WDH
U1
1
Si3404
U2
1
LV2842XLVDDCR
U3
1
RTL8201F
U4
1
40MHz
Y1
1
HY931147C
J1
28
ProtoCastellatedHeader
J2, J3, J4, J5, J6, J7, J8, J9 +20
1
RESET
SW1
1
TP
TP1
1
SL310A
D1
1
B5819W
D2
1
Green
D3
2
FB 600R@100MHz 1.3A
L1, L3
1
10uH 1A
L2
1
33uH
L4
11
100n
C1, C2, C3, C9, C17, C19, C20, C23 +3
1
1u
C4
2
10u
C5, C14
1
1nF
C6
2
100n
C8, C22
Show 23 more
QtyPartRefs
3
1u
C10, C11, C21
2
22p
C12, C13
1
3.3n
C15
1
10n
C16
2
2.2u
C18, C29
1
22u
C27
5
10k
R1, R9, R10, R11, R12
1
2k
R2
1
20K
R3
2
510R
R4, R22
1
24.3k 1%
R6
1
DNP
R7
1
2.49k 1%
R8
4
50R 1%
R13, R14, R17, R18
2
270R
R15, R16
1
0R
R19
1
0.62R
R20
1
33k
R21
2
1k
R23, R28
1
8.2k
R24
1
33k 1%
R26
1
10k 1%
R27
4
50R
R29, R30, R31, R32

LAN-Module-PoE design files

The KiCad project lives in the jorticus/esp32-poe-dev repository on GitHub; these links point at the commit this page was built from.

LAN-Module-PoE: common questions

What microcontroller does the LAN-Module-PoE use?

The LAN-Module-PoE is built around the ESP32-U4WDH, from the ESP32 family.

How big is the LAN-Module-PoE?

The LAN-Module-PoE measures 25.3 × 61 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LAN-Module-PoE?

100 components, from 43 distinct parts. The full bill of materials is listed on this page.

Where can I download the LAN-Module-PoE design files?

From the jorticus/esp32-poe-dev repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the LAN-Module-PoE design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which jorticus chose for the repository.

Can I test firmware for the LAN-Module-PoE 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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