ZENONE LABS
iGrow Mini Irrigation

IoT/2025

iGrow Mini Irrigation

iGrow Mini Irrigation is the watering edge of the iGro stack: main pump and up to four valves, pressure safety, local TFT/keypad UI, and Azure IoT connectivity for modes, schedules, special control, and OTA.

Problems

Farms needed compact irrigation hardware with pressure safety and reliable schedules—even when the network is unreliable.

Solution

Local schedule and special modes with make-before-break valve overlap and pressure cutoffs, plus MQTT twin/direct methods for cloud control and OTA.

Outcomes

4

Valve channels

Pressure

ADS1115 safety

Offline

RTC + LittleFS

IoT devices

One device. Hardware in the field.

01Edge hardware · watering

iGrow Mini Irrigation

Single-module irrigation scheduler controlling a main pump and up to 4 valves, ADS1115 pressure cutoffs, TFT/keypad local UI, DS3231 RTC + LittleFS, and Azure IoT MQTT D2C/C2D.

  • 01

    Main pump + up to 4 valves (15 bitmask combinations)

  • 02

    ADS1115 pressure cutoffs and make-before-break overlap

  • 03

    TFT/keypad local UI with DS3231 RTC + LittleFS

  • 04

    Azure IoT MQTT D2C/C2D for modes, schedules, and OTA

Engineered with

ESP32Azure IoTADS1115MQTT

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