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https://github.com/chl33/plant133

Firmware, circuit design, and 3D-printable components for an automated plant-watering system.
https://github.com/chl33/plant133

esp32 kicad openscad plant-watering platformio

Last synced: about 2 months ago
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Firmware, circuit design, and 3D-printable components for an automated plant-watering system.

Host: GitHub
URL: https://github.com/chl33/plant133
Owner: chl33
License: mit
Created: 2024-07-06T14:43:50.000Z (7 months ago)
Default Branch: main
Last Pushed: 2024-11-07T23:39:53.000Z (3 months ago)
Last Synced: 2024-12-03T09:34:30.711Z (2 months ago)
Topics: esp32, kicad, openscad, plant-watering, platformio
Language: C++
Homepage: https://selectiveappeal.org/posts/plant1337/
Size: 4.04 MB
Stars: 0
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE

Awesome Lists containing this project

README

        # Plant133

This is a full distribution of the Plant133 plant-watering device.  This device can monitor and water up to 4 plants at a time.  This repository hosts the firmware, PCBA design, and OpenSCAD code for the all components.

A writeup about this project is at "[Plant1337: "Water 4 plants](https://selectiveappeal.org/posts/plant1337/)."

![Plant133 device](images/plant1337_deployed_trim-1400x600.webp)

## Setup

Please see the [instructions](instructions.md) for how to setup a Plant133 device if you are lucky enough to have one.

## PCBA

The full [KiCAD](https://www.kicad.org/) project for the printed circuit board is in the [KiCAD](KiCAD/) subdirectory.  KiCAD is a cross platform, open source electronics design system.

![Plant1337 PCBA rendered by KiCAD](images/plant1337-board-kicad.png)

## Components which can be printed with a 3D printer

Several components for the Plant133 device are printed with a 3D printer. These are designed as 3D geometry descriptions in [OpenSCAD](https://openscad.org/).  The code for these are in the [scad](scad/) subdirectory.

### Project box

OpenSCAD code for the project box housing the PCBA is in the [scad/box/](scad/box/) subdirectory.  It requires the library at https://github.com/chl33/ProjectBox.

![EBox design in OpenSCAD](images/scad-plant133-ebox.png)

### Project box reservoir hanger

Code for a plate which allows you to hang the EBox on the side of a water reservoir is in [scad/ebox_hook](scad/ebox_hook). This is screwed to the bottom part of the EBox.

![Reservoir hanger](images/ebox-reservoir-hook.png)

### Reservoir insert

Inside the water reservoir, an insert holds a float for detecting the water level and 1-4 aquarium pumps for watering the plants.  The code for this insert is in [scad/reservoir_insert](scad/reservoir_insert).

![Reservoir insert with 2 pumps](images/scad-insert-2-pumps.png)

### Moisture sensor cap

A cap for the moisture sensor can hold the end of the watering tube in place in the plant's pot, for when the watering spike is not used.

![Moisture sensor cap top](images/scad-moisture-sensor-cap-4.png)

![Moisture sensor cap bottom](images/scad-moisture-sensor-cap-bot.png)

### Watering spike

The end of the watering tube can be inserted into a 3D-printed spike with holes in it, which can be inserted into the soil in the plant pot to spread water through the pot.

The spike is printed in two halves which can be epoxied together.

![Watering spike half](images/scad-spike.png)

![Spike photo](images/spike.jpg)

## Software

This project is built using my C++ framework for ESP devices.

- [og3](https://github.com/chl33/og3) My application framework.

- [og3x-oled](https://github.com/chl33/og3x-oled) Support for the OLED screen I use with this project

- [og3x-shtc3](https://github.com/chl33/og3x-shtc3) Support for the SHTC3 temperature/humidty sensor used by this project.