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Smart Garden

A full-stack local web-app in Orange Pi Zero and Rust to manage home garden watering schedule.
Your IP Address will be shown in the form of QR Code in the OLED display, make sure your smartphone/laptop is connected to the same Wi-Fi network as the Orange Pi Zero.

• Computer: Orange Pi Zero
• OS: Armbian Bionic/Armbian Buster
• Language: Rust
• Database: SQLite

Steps to get this running:

1. Install Armbian Bionic or Armbian Buster for Orange Pi Zero, burn the image to SD card with Etcher
2. Log into Orange Pi Zero with USB to TTL converter such as CH340 or CP2102 (Use screen /dev/ttyUSB0 115200 for Linux or Putty for Windows) or through router (use ssh root@<opi_ip_address> for Linux or Putty for Windows). Password is 1234
3. Configure Wi-Fi with nmtui

nmtui

4. Install required software & configure:

• Configure mosquitto to use Websockets
• Set timezone to Asia/Jakarta & synchronize hardware clock with NTP

apt update &&\
apt install nginx mosquitto cmake libssl-dev -y &&\
echo $'port 1883\nlistener 9001\nprotocol websockets' > /etc/mosquitto/conf.d/websockets.conf &&\
timedatectl set-timezone Asia/Jakarta &&\
timedatectl set-local-rtc 1 &&\
timedatectl set-ntp true

5. Compile rust code, install Rust

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
git clone https://github.com/vmasdani/smart-garden
cd smart-garden
sudo cp www/* /var/www/html
cargo build --release

6. Enable /dev/i2c-1 through armbian-config

armbian-config

7. Add systemd service with ExecStart of produced binary target/release/smart_garden to /etc/systemd/system/smart-garden.service

Use your favorite text editor (nano, vim, etc.)

smart-garden.service

```sh
[Unit]
Description=Smart Garden Service
After=network.target network-online.target mosquitto.service nginx.service 
StartLimitIntervalSec=0

[Service]
Type=simple
Restart=always
RestartSec=1
User=root
ExecStart=/root/smart-garden/target/release/smart_garden

[Install]
WantedBy=multi-user.target

8. Run the systemd script
```sh
systemctl start smart-garden &&\
systemctl enable smart-garden

Congratulations, the smart garden IoT system is now active!