HardLabs

Fountain

extsui·GardeningBoard·PCB/Fountain/Fountain.kicad_pcb

Fountain PCB layout, top view — open source ESP32 board by extsui

About the Fountain PCB

Fountain is an open source ESP32 PCB design by extsui, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 86.6 mm, with 14 components from 12 distinct parts.

Its main chip is the XIAO-ESP32-C3, from the ESP32 family. Other key parts include the AE-PCA9306. By type, the board carries 3 connectors, 3 switches, 2 ICs, 2 resistors, 1 buzzer and 1 capacitor.

From the project

KawaiiMakeMYBoard

Main components on the Fountain

XIAO-ESP32-C3AE-PCA9306

Fountain bill of materials (BOM)

14 components, 12 distinct parts.

QtyPartRefs
1
XIAO-ESP32-C3
IC1
1
AE-PCA9306
IC2
1
Conn_01x05_Female
CN1
1
CardEdgeConnector5P
CN2
1
JTAG
CN5
1
Buzzer
BZ1
2
(TBD)
SW1, SW2
1
DIPSW-4P
SW3
2
(TBD)
VOL1, VOL2
1
CP
C1
1
10k
R1
1
1k
R2

Fountain design files

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

Fountain: common questions

What microcontroller does the Fountain use?

The Fountain is built around the XIAO-ESP32-C3, from the ESP32 family.

How big is the Fountain PCB?

The Fountain measures 100 × 86.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Fountain?

14 components, from 12 distinct parts. The full bill of materials is listed on this page.

Where can I download the Fountain design files?

From the extsui/GardeningBoard repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Fountain design in my own project?

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

Can I test firmware for the Fountain 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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