HardLabs

Soil Sensor Hub

ArtoLabs·Sensi-pot·Soil_Sensor_Hub/Hardware/Kicad/Soil_Sensor_Hub.kicad_pcb

Soil Sensor Hub PCB layout, top view — open source ESP8266 board by ArtoLabs

About the Soil Sensor Hub PCB

Soil Sensor Hub is an open source ESP8266 PCB design by ArtoLabs, published on GitHub under the MIT license. It is a 2-layer board measuring 98 × 91.1 mm, with 74 components from 25 distinct parts.

Its main chip is the ESP-01, from the ESP8266 family. Other key parts include the ATmega328P-PU, LM317_TO3, Winbond_W25Q32BV, 74hc125 and 74HC245. By type, the board carries 37 resistors, 12 capacitors, 11 ICs, 11 connectors, 1 crystal and 1 switch.

It belongs with the sensors, iot & wireless and displays & leds designs in this gallery.

From the project

Collection of modules for indoor/outdoor gardening automation and environmental control

This is the first Sensi-Pot open source automation device made for regulating the temperature and humidity of an enclosed space, including greenhouses. Marijuana grows best when the environment is kept at a perfect balance, and this device can maintain a perfect 55% humidity and 75 degrees fahrenheit, which is perfect for marijuana. The controller can be adjusted to regulate any temperature or level of humidity. At the heart of the device is the custom circuit board, which can be ordered using the open source Gerber files, or by ordering through PCBway.com (see below for more info).

Main components on the Soil Sensor Hub

ATmega328P-PULM317_TO3ESP-01Winbond_W25Q32BV74hc12574HC24574LS25174LVC1G04

Soil Sensor Hub bill of materials (BOM)

74 components, 25 distinct parts.

QtyPartRefs
1
ATmega328P-PU
U1
1
LM317_TO3
U2
1
ESP-01
U3
1
Winbond_W25Q32BV
U4
4
74hc125
U5, U6, U8, U9
1
74HC245
U7
1
74LS251
U10
1
74LVC1G04
U11
1
Crystal
Y1
8
USB A 3.0
J1, J3, J4, J6, J8, J9, J10, J11
1
Barrel_Jack_MountingPin
J2
1
Conn_01x03
J5
1
Conn_01x05
J7
1
SW_DPDT_x2
SW1
1
LM2596
L1
2
CP1uF
C1, C5
2
C22pF
C2, C3
8
C0.1uF
C4, C6, C7, C8, C9, C10, C11, C12
2
R1k
R1, R8
1
R240
R2
Show 5 more
QtyPartRefs
1
R390
R3
10
R10K
R4, R5, R24, R25, R26, R27, R28, R29 +2
19
R50
R6, R11, R12, R14, R15, R16, R17, R18 +11
3
R100
R7, R10, R13
1
R2K
R9

Soil Sensor Hub design files

The KiCad project lives in the ArtoLabs/Sensi-pot repository on GitHub; these links point at the commit this page was built from.

Soil Sensor Hub: common questions

What microcontroller does the Soil Sensor Hub use?

The Soil Sensor Hub is built around the ESP-01, from the ESP8266 family.

How big is the Soil Sensor Hub PCB?

The Soil Sensor Hub measures 98 × 91.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Soil Sensor Hub?

74 components, from 25 distinct parts. The full bill of materials is listed on this page.

Where can I download the Soil Sensor Hub design files?

From the ArtoLabs/Sensi-pot repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Soil Sensor Hub design in my own project?

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

Can I test firmware for the Soil Sensor Hub without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.

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