HardLabs

Garden133

chl33·Garden133·KiCAD/Garden133/Garden133.kicad_pcb

Garden133 PCB layout, top view — open source ESP32 board by chl33

About the Garden133 PCB

Garden133 is an open source ESP32 PCB design by chl33, published on GitHub under the MIT license. It is a 4-layer board measuring 71.1 × 39.4 mm, with 54 components from 35 distinct parts.

Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the SHTC3, RFM95W-915S2, NCP114ASN330T1G, DW01A and TP4056. By type, the board carries 6 ICs, 5 resistors, 4 diodes, 2 transistors, 2 connectors and 1 fuse.

It belongs with the iot & wireless, rf & radio and power & battery designs in this gallery.

From the project

A solar-powered board for monitoring garden soil moisture levels.

Garden133 is a solar and battery-powered device for monitoring garden soil moisture levels. It reads the moisture level of soil using a capacitive moisture sensor and transmits data via LoRa.

Please see the Introducing Garden133 blog post for a project overview.

- PCB Design: KiCAD files are available in KiCAD/Garden133/. - Enclosure: OpenSCAD files for the waterproof enclosure and mounts are in OpenSCAD/.

Garden133, from the project README
From the project README

Main components on the Garden133

SHTC3RFM95W-915S2NCP114ASN330T1GESP32-WROOM-32DW01ATP4056

Garden133 bill of materials (BOM)

54 components, 35 distinct parts.

QtyPartRefs
1
SHTC3
U1
1
RFM95W-915S2
U2
1
NCP114ASN330T1G
U3
1
ESP32-WROOM-32
U4
1
DW01A
U5
1
TP4056
U6
1
FS8205A
Q1
1
AO3401A
Q2
1
USB_B_Micro
J1
1
Edge2x6_Connector
J2
4
100nF
Ca1, Ca2, Ca6, Ca7
5
100nF
Ca3, Ca4, Ca5, Ca8, Ca10
1
100nF
Ca9
2
10uF
Cb1, Cb2
2
1uF
Cu1, Cu2
1
0.5A
F1
1
Conn_01x02_Pin
JB1
1
Conn_01x02_Pin
JS1
1
Conn_01x03_Male
J_MOIST1
4
1k
RL1, RL2, RL4, Rl3
Show 15 more
QtyPartRefs
1
1.2k
RPROG1
2
2.2k
Rf1, Rf2
1
470
Rt1
5
10k
Ru1, Ru2, Ru3, Ru5, Ru7
1
20k
Ru8
1
100k
Rv1
1
SW_DPDT
S_debug1
1
SW_DPDY
S_mcu1
1
GRN
D1
1
RED
D2
1
UPS115UE3/TR7
D3
1
YLW
D4
1
100
R1
1
20k
R2u1
3
200k
R2v1, R2v2, R2v3

Garden133 design files

The KiCad project lives in the chl33/Garden133 repository on GitHub; these links point at the commit this page was built from.

Garden133: common questions

What microcontroller does the Garden133 use?

The Garden133 is built around the ESP32-WROOM-32, from the ESP32 family.

How big is the Garden133 PCB?

The Garden133 measures 71.1 × 39.4 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Garden133?

54 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the Garden133 design files?

From the chl33/Garden133 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Garden133 design in my own project?

Yes, under the terms of its MIT license, which chl33 chose for the repository.

Can I test firmware for the Garden133 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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