🌱 ESP32 Greenhouse Controller - Command Reference
⚡ System Commands
| Command |
Description |
REBOOT / RESTART |
Reboots the ESP32 immediately. |
SET_DEFAULT |
Restores all configuration to default and reboots the ESP32. |
📡 WiFi Commands
| Command |
Description |
SET_WIFI <SSID>,<PASSWORD> |
Updates WiFi credentials & saves them to EEPROM. |
SCAN_WIFI |
Scans for available WiFi networks (human-readable). |
SCAN_WIFI JSON |
Scans for WiFi networks and returns results in JSON format. |
📡 MQTT Commands
| Command |
Description |
SET_MQTT_HOST <host> |
Updates MQTT broker hostname or IP. |
SET_MQTT_PORT <port> |
Updates MQTT broker port. |
SET_MQTT_USER <username> |
Updates MQTT username. |
SET_MQTT_PASS <password> |
Updates MQTT password. |
SET_MQTT_TOPIC_ROOT <root> |
Updates MQTT topic root. |
SET_MQTT_CONN <host>,<port>,<user>,<pass>,<root> |
Sets all MQTT settings in one command. |
⚙️ Global Configuration Commands
| Command |
Description |
SET <parameter> <value> |
Updates a global configuration parameter. |
| Supported Parameters |
publishInterval, wifiReconnectInterval, mqttReconnectInterval, mixerLevelSetpoint, feederLevelSetpoint, mixerFullLevel, mixerRefillLevel, phSettlingTime, phTargetMax, phPumpDuration, mixingPumpDuration, autoMode, bypassFillInterlock |
🌱 Per-Plant Configuration Commands
| Command |
Description |
SET PLANT<index> MODE <value> |
Sets the active watering mode for a plant (index starts at 1). |
| `SET PLANT SETPOINTS <LOW |
HIGH> ` |
🔹 Example Usages:
SET_WIFI MyHomeWiFi,SecurePassword123
Output:
WiFi credentials updated: SSID=MyHomeWiFi
SCAN_WIFI JSON
Output:
{
"networks": [
{ "ssid": "HomeWiFi", "signal": -67, "security": "Protected" },
{ "ssid": "GuestWiFi", "signal": -72, "security": "Protected" }
]
}
