ESP32-PoE Rev M1
About the ESP32-PoE Rev M1 PCB
ESP32-PoE Rev M1 is an open source ESP32 PCB design by OLIMEX, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 28 × 80 mm, with 130 components from 75 distinct parts.
Its main chip is the ESP32-WROOM-32E-N4, from the ESP32 family. Other key parts include the CH340X(MSOP-10), TP4054-42-SOT25-R(SOT23-5), LAN8710A-EZC(QFN32), TX4138(ESOIC-8) and TPS62A02ADRLR(SOT-563-6). By type, the board carries 51 resistors, 27 capacitors, 9 diodes, 8 ICs, 5 inductors and 4 LEDs.
It belongs with the iot & wireless and dev boards & breakouts designs in this gallery.
From the project
ESP32 IoT development board with 100Mb Ethernet and 802.3 Power Over Ethernet (POE)
ESP32-PoE is an IoT WIFI/BLE/Ethernet development board with Power-Over-Ethernet feature.
The Si3402-B chip is IEEE 802.3-compliant, including pre-standard (legacy) PoE support.
Perfect solution for Internet-of-Things that can be expanded with sensors and actuators taking power from Ethernet cable.
Low-power design consuming less then 100uA in deep sleep mode!
Product page: https://www.olimex.com/Products/IoT/ESP32/ESP32-POE/open-source-hardware
Main components on the ESP32-PoE Rev M1
ESP32-PoE Rev M1 bill of materials (BOM)
130 components, 75 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CH340X(MSOP-10) | MSOP-10_Pitch-0.5mm_3.00x3.00x1.00mm | U1 |
| 1 | TP4054-42-SOT25-R(SOT23-5) | SOT-23-5 | U3 |
| 1 | LAN8710A-EZC(QFN32) | QFN32_EP(33)_5.00x5.00x0.90mm_Pitch_0.50mm | U4 |
| 1 | TX4138(ESOIC-8) | ESOIC-8 | U5 |
| 1 | ESP32-WROOM-32E-N4 | ESP32-WROVER_MODULE | U6 |
| 1 | TPS62A02ADRLR(SOT-563-6) | SOT-563-6 | U7 |
| 1 | NA(SN74LVC1G04DBVR(SOT23-5)) | SOT-23-5 | U8 |
| 1 | TPS2378DDAR(HSOIC-8) | ESOIC-8 | U9 |
| 2 | BC817-40(SOT23) | SOT23 | Q2, Q3 |
| 1 | DW02S | LIPO_BAT_VERTICAL_DW02S | BAT1 |
| 1 | Opened | SJ_1_SMALLER | BAT_SENS_E1 |
| 2 | IT1185AU2 | IT1185AU2_V2 | BUT1, RST1 |
| 1 | Closed | SJ_Closed | Class4_EN1 |
| 2 | NS(HN1x10) | HN1x10 | EXT1, EXT2 |
| 3 | WPM2015-3/TR | SOT23 | FET1, FET2, FET3 |
| 1 | RJP-003TC1(LPJ4112CNL) | RJP-003TC1(LPJ4112CNL) | LAN_CON1 |
| 3 | Mounting_Hole_NPTH | NPTH_2.2mm | MH1, MH2, MH3 |
| 1 | TFC-9P-1.7H(ATFFS150A01BR016) | uSD(TFC-9P-1.xH(ATFFS150A01BR016)) | MICRO_SD1 |
| 3 | RA1206_(4X0603)_4B8_2.2k | R_MATRIX_4 | RM1, RM2, RM3 |
| 1 | LMUN2211LT1G(SOT-23) | SOT23 | T1 |
Show 55 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESDS314DBVR(SOT-23-5) | SOT-23-5 | TVS1 |
| 2 | NA(GG0402052R542P) | D_0402_5MIL_DWS | TVS2, TVS3 |
| 1 | P-B-V-10-LF | GBH-254-SMT-10 | UEXT1 |
| 1 | MISB-SWMM-5B-LF(USB_MICRO) | USB-MICRO_MISB-SWMM-5B_LF | USB-UART1 |
| 2 | LED/YELLOW/0603 | LED_0603_KA | ACT1, CHRG1 |
| 1 | LED/GREEN/0603 | LED_0603_KA | LNK1 |
| 1 | LED/RED/0603 | LED_0603_KA | PWR1 |
| 2 | 1N5822/SS34/SMA | SMA-KA | D1, D3 |
| 1 | BAT54C(SOT23-3) | SOT23-3 | D2 |
| 4 | 1N5819S4(SOD-123) | SOD-123_1C-2A_KA | D4, D6, D7, D9 |
| 1 | SS510/100V/5A/0.85V/DO214AB(SMC) | DO214AB(SMC)_1(K)-2(A) | D5 |
| 1 | SMAJ58A/SMA | SMA-KA | D8 |
| 3 | FB0805/600R/2A | L_0805_5MIL_DWS | L1, L3, L5 |
| 1 | 1.0uH/4.2A/DCR=35mR/20%/2.00x1.60x1.00mm/L2016(PIM201610-1R0MTS00) | L_2016_MM | L2 |
| 1 | 33uH/2.1A/DCR=0.1R/20%/DBS135(PD3316MT330) | DBS135 | L4 |
| 7 | 22uF/6.3V/20%/X5R/C0603 | C_0603_5MIL_DWS | C1, C6, C7, C9, C10, C13, C22 |
| 1 | 1nF/2000V/10%/X7R/C1206 | C_1206_5MIL_DWS_ISO | C2 |
| 1 | 47uF/6.3V/20%/X5R/C0805 | C_0805_5MIL_DWS | C3 |
| 6 | 100nF/10V/20%/X5R/C04020 | C_0402_5MIL_DWS | C8, C11, C14, C15, C16, C18 |
| 2 | 100nF/100V/10%/X7R/C0603 | C_0603_5MIL_DWS | C12, C24 |
| 1 | 2.2uF/6.3V/10%/X5R/C0603 | C_0603_5MIL_DWS | C17 |
| 1 | 1nF/50V/10%/X7R/C0402 | C_0402_5MIL_DWS | C19 |
| 1 | 1uF/10V/20%/X5R/C0603 | C_0603_5MIL_DWS | C20 |
| 1 | NA(10uF/6.3V/20%/X5R/C0603) | C_0603_5MIL_DWS | C21 |
| 1 | 12pF/50V/5%/COG/C0402 | C_0402_5MIL_DWS | C23 |
| 1 | 470uF/10V/20%/Low_ESR/RM2.5/6.0x11mm | CPOL-RM2.5mm_6.3x11mm_PTH | C25 |
| 1 | NA(220pF/100V/C0603) | C_0603_5MIL_DWS | C26 |
| 1 | 15uF/100V/20%/RM2.5/6.3x11mm(Farnell:1281844) | CPOL-RM2.5mm_6.3x11mm_PTH | C27 |
| 1 | NA(100nF/10V/20%/X5R/C04020) | C_0402_5MIL_DWS | C28 |
| 1 | NA(120pF/50V/5%/C0G/C0402) | C_0402_5MIL_DWS | C29 |
| 11 | 10k/R0402 | R_0402_5MIL_DWS | R1, R2, R6, R18, R19, R25, R32, R36 +3 |
| 3 | 1k/R0402 | R_0402_5MIL_DWS | R3, R20, R21 |
| 1 | 47k/R0402 | R_0402_5MIL_DWS | R4 |
| 7 | 2.2k/R0402 | R_0402_5MIL_DWS | R5, R8, R14, R15, R31, R35, R41 |
| 2 | 9.1k/R2512 | R_2512_MM_DWS | R7, R42 |
| 1 | 100k/R0402 | R_0402_5MIL_DWS | R9 |
| 4 | 49.9R/1%/R0402 | R_0402_5MIL_DWS | R10, R11, R12, R13 |
| 1 | NA(10k/R0402) | R_0402_5MIL_DWS | R16 |
| 2 | 470k/R0402 | R_0402_5MIL_DWS | R17, R22 |
| 3 | 220R/R0402 | R_0402_5MIL_DWS | R24, R46, R47 |
| 1 | 12.1k/1%/R0402 | R_0402_5MIL_DWS | R26 |
| 1 | 0.03R/1%/R1206 | R_1206_5MIL_DWS | R28 |
| 1 | 220k/R0402 | R_0402_5MIL_DWS | R29 |
| 1 | 49.9k/1%/R0402 | R_0402_5MIL_DWS | R30 |
| 1 | 4.7R/R0402 | R_0402_5MIL_DWS | R33 |
| 1 | 5.23k/1%/R0402 | R_0402_5MIL_DWS | R34 |
| 1 | 30.1k/1%/R0402 | R_0402_5MIL_DWS | R38 |
| 1 | 10R/R0402 | R_0402_5MIL_DWS | R40 |
| 1 | NA(22R/R0603) | R_0603_5MIL_DWS | R43 |
| 2 | NA/R0402 | R_0402_5MIL_DWS | R44, R49 |
| 1 | NA(10R/R0402) | R_0402_5MIL_DWS | R45 |
| 1 | 24.9k/1%/R0402 | R_0402_5MIL_DWS | R52 |
| 1 | 1.27k/1%/62.5mW/R0402 | R_0402_5MIL_DWS | R53 |
| 1 | NA(66.5R/1%/125mW/R0805) | R_0805_5MIL_DWS | R54 |
| 1 | 4.7k/R0402 | R_0402_5MIL_DWS | R55 |
ESP32-PoE Rev M1 design files
The KiCad project lives in the OLIMEX/ESP32-POE repository on GitHub; these links point at the commit this page was built from.
ESP32-PoE Rev M1: common questions
What microcontroller does the ESP32-PoE Rev M1 use?
The ESP32-PoE Rev M1 is built around the ESP32-WROOM-32E-N4, from the ESP32 family.
How big is the ESP32-PoE Rev M1 PCB?
The ESP32-PoE Rev M1 measures 28 × 80 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the ESP32-PoE Rev M1?
130 components, from 75 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 ESP32-PoE Rev M1 design files?
From the OLIMEX/ESP32-POE 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 ESP32-PoE Rev M1 design in my own project?
Yes, under the terms of its Apache-2.0 license, which OLIMEX chose for the repository.
Can I test firmware for the ESP32-PoE Rev M1 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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