PlantWatering PCB02
Benedikt3141·Smart-Irrigation-System·src/pcb/PlantWatering_PCB02/PlantWatering_PCB02.kicad_pcb
About the PlantWatering PCB02 PCB
PlantWatering PCB02 is an open source PCB design by Benedikt3141, published on GitHub under the MIT license. It is a 2-layer board measuring 109 × 55.5 mm, with 43 components from 26 distinct parts.
Other key parts include the ADS1115IDGS, CCS811, DW01A, FS8205A and DS3231MZ. By type, the board carries 17 resistors, 9 ICs, 6 capacitors, 3 diodes, 1 connector and 1 inductor.
It belongs with the sensors, displays & leds and power & battery designs in this gallery.
From the project
A smart irrigation system for irrigation of up to 6 plants. It monitors the moisture, temperature, CO2 concentration, air quality ... and displays the data on a 2.4" TFT Display using an ESP32 DevKit C as processor.
The Smart Irrigation System is a battery-powered monitoring and control system for watering up to six individual plants. Each plant is monitored by a capacitive soil moisture sensor connected to the main control unit.
The project currently focuses on the main monitoring and control unit. A separate watering unit is planned but not fully designed yet. Communication between both units is intended to use ESP-NOW.

Main components on the PlantWatering PCB02
PlantWatering PCB02 bill of materials (BOM)
43 components, 26 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | ADS1115IDGS | TSSOP-10_3x3mm_P0.5mm | U5, U6 |
| 1 | CCS811 | AMS_LGA-10-1EP_2.7x4mm_P0.6mm | U7 |
| 1 | DW01A | SOT-23-6 | U8 |
| 1 | FS8205A | SOT-23-6 | U9 |
| 1 | DS3231MZ | SOIC-8_3.9x4.9mm_P1.27mm | U10 |
| 1 | TP4056-42-ESOP8 | SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm_ThermalVias | U11 |
| 1 | AT24CS32-SSHM | SOIC-8_3.9x4.9mm_P1.27mm | U12 |
| 1 | MT3608 | SOT-23-6 | U14 |
| 1 | Conn_01x06_Socket | PinHeader_1x06_P2.00mm_Vertical | J12 |
| 6 | ~ | PJ-3126-5A | AudioJack1, AudioJack2, AudioJack3, AudioJack4, AudioJack5, AudioJack6 |
| 1 | RED | LED_0805_2012Metric | D6 |
| 1 | GREEN | LED_0805_2012Metric | D7 |
| 1 | SS14 | D_SMA | D8 |
| 1 | 22UH 22uH | L_Bourns_SRP7028A_7.3x6.6mm | L1 |
| 3 | 100NF 100nF | C_0402_1005Metric | C11, C13, C14 |
| 2 | 10UF 10uF | C_0805_2012Metric | C12, C15 |
| 1 | 22UF 22uF | C_1206_3216Metric | C16 |
| 6 | 10K 10k | R_1206_3216Metric | R16, R17, R20, R22, R31, R42 |
| 2 | 100K 100k | R_1206_3216Metric | R23, R37 |
| 3 | 1k | R_1206_3216Metric | R29, R30, R32 |
Show 6 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 0R | R_0805_2012Metric | R33 |
| 1 | 100 | R_0805_2012Metric | R34 |
| 1 | 4.7K 4.7k | R_1206_3216Metric | R35 |
| 1 | 220K 220k | R_0805_2012Metric | R36 |
| 1 | 73.2K 73.2k | R_0805_2012Metric | R41 |
| 1 | 4.7k Resistor Array | R_Array_Convex_4x0603 | RN1 |
PlantWatering PCB02 design files
The KiCad project lives in the Benedikt3141/Smart-Irrigation-System repository on GitHub; these links point at the commit this page was built from.
PlantWatering PCB02: common questions
How big is the PlantWatering PCB02 PCB?
The PlantWatering PCB02 measures 109 × 55.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PlantWatering PCB02?
43 components, from 26 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the PlantWatering PCB02 design files?
From the Benedikt3141/Smart-Irrigation-System repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the PlantWatering PCB02 design in my own project?
Yes, under the terms of its MIT license, which Benedikt3141 chose for the repository.
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