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2 layers66.5 × 65 mmSoil moisture, the printed circuit board in 3D
Size
66.5 × 65 mm
Copper layers
2
Thickness
1.6 mm
Parts
9
Nets
33
Pads
51
Tracks, vias
82, 6
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
30 Mar 2025
Updated
7 Apr 2025

Overview

Soil moisture is an open-source printed circuit board by Deenaadayalan, from the Deenaadayalan/soil_sensor_management repository on GitHub. It is a 2-layer board of 66.5 × 65 mm with 9 parts on 33 nets, routed with 82 tracks and 6 vias.

It is built around the BC547. Its parts include 2 resistors, 2 connectors, 1 diode, 1 transistor and 1 switch. It belongs with the ESP32 and AVR (ATmega, ATtiny) boards of this library.

Main components

1

README

README.md

View this project on CADLAB.io.

soil_sensor_management

Parts

9
QtyValueFootprintReferences
110kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR2
11KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1
11N4007Diode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD1
1Arduino_Nano_ESP32Module:Arduino_NanoA1
1BC547Package_TO_SOT_THT:TO-92_InlineQ1
1Conn_01x02_PinConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ2
1Conn_01x03_PinConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ1
1Motor_DCConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalM1
1Relay_SPDTRelay_THT:Relay_SPDT_Finder_34.51_VerticalK1

Questions

How big is the Soil moisture PCB?

It measures 66.5 × 65 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Soil moisture use?

9 parts, built around the BC547. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Soil moisture KiCad files?

From the Deenaadayalan/soil_sensor_management repository on GitHub, at the commit this page was made from: the board is soil_moisture.kicad_pcb and its schematic soil_moisture.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Soil moisture design in my own project?

Its repository states no licence, so its author keeps all rights: ask Deenaadayalan before reusing the design.

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