HardLabs

H3S-Dev-V1

hobbyiot·H3S-Dev-V1·HW/H3S-Dev-V1/H3S-Dev-V1.kicad_pcb

H3S-Dev-V1 PCB layout, top view — open source ESP32 board by hobbyiot

About the H3S-Dev-V1 PCB

H3S-Dev-V1 is an open source ESP32 PCB design by hobbyiot, published on GitHub under the MIT license. It is a 2-layer board measuring 85 × 56 mm, with 79 components from 33 distinct parts.

Its main chip is the ESP32-S3-WROOM-1U-N16R8, from the ESP32 family. Other key parts include the Ra-01SH-P, LTC4054ES5-4.2, USBLC6-2SC6, SY8089AAAC and L96-M33. By type, the board carries 41 resistors, 15 capacitors, 7 diodes, 6 ICs, 6 connectors and 2 switches.

It belongs with the rf & radio, power & battery and dev boards & breakouts designs in this gallery.

From the project

LoRa Node Development board with ESP32, SX1262, GNSS and more

H3S-Dev-V1, from the project README
From the project README

Main components on the H3S-Dev-V1

Ra-01SH-PLTC4054ES5-4.2USBLC6-2SC6ESP32-S3-WROOM-1U-N16R8SY8089AAACL96-M33

H3S-Dev-V1 bill of materials (BOM)

79 components, 33 distinct parts.

QtyPartRefs
1
Ra-01SH-P
U1
1
LTC4054ES5-4.2
U2
1
USBLC6-2SC6
U3
1
ESP32-S3-WROOM-1U-N16R8
U4
1
SY8089AAAC
U5
1
L96-M33
U6
1
DMP3099L
Q1
1
USB_C_Receptacle_USB2.0_16P
J1
1
Conn_01x02
J2
1
Conn_Coaxial
J3
2
Conn_01x04
J4, J5
1
Conn_01x02
J6
2
SW_Push
SW1, SW2
4
LED
D1, D2, D4, D7
3
1N5819WS
D3, D5, D6
1
22uH
L1
6
100n
C1, C2, C3, C9, C13, C15
2
22u
C4, C5
1
22p
C6
2
22u
C7, C14
Show 13 more
QtyPartRefs
2
1u
C8, C12
2
NA
C10, C11
6
470k
R1, R2, R3, R4, R39, R40
2
2.2k
R5, R6
2
5.1k
R7, R8
1
220k/1%
R9
1
49.9k/1%
R10
9
10k
R11, R12, R13, R14, R15, R20, R21, R22 +1
10
0
R16, R17, R19, R28, R29, R30, R31, R32 +2
1
0
R18
5
20
R23, R24, R25, R26, R27
2
22
R35, R36
2
1.5k
R37, R38

H3S-Dev-V1 design files

The KiCad project lives in the hobbyiot/H3S-Dev-V1 repository on GitHub; these links point at the commit this page was built from.

H3S-Dev-V1: common questions

What microcontroller does the H3S-Dev-V1 use?

The H3S-Dev-V1 is built around the ESP32-S3-WROOM-1U-N16R8, from the ESP32 family.

How big is the H3S-Dev-V1 PCB?

The H3S-Dev-V1 measures 85 × 56 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the H3S-Dev-V1?

79 components, from 33 distinct parts. The full bill of materials is listed on this page.

Where can I download the H3S-Dev-V1 design files?

From the hobbyiot/H3S-Dev-V1 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the H3S-Dev-V1 design in my own project?

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

Can I test firmware for the H3S-Dev-V1 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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