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For over a decade, HotSpot AG has partnered with eze System to deliver smarter, simpler, and more connected farming. This long-standing collaboration powers HotSpot AG’s portfolio of innovative agtech solutions, bridging agronomy, irrigation and business operations to boost efficiency and profitability.
At the core is the ezeio® platform, a secure, cloud-native Industrial IoT system that unifies monitoring, control, and automation across any remote site or equipment. Its plug-and-play simplicity, scalability, and internet-native design make it the ideal foundation for modern, data-driven agriculture.
The HotSpot agtech solution engines are built directly on top of this robust ezeio platform, combining the strong, proven foundation of the ezeio with HotSpot AG’s deep domain expertise to create powerful and highly scalable system solutions for agricultural automation. This makes it a unique hassle-free solution for farmers and users, cutting all distractions so they can focus on their domain – Farming!
The ezeio® mkII hardware
Combining all hardware and firmware components needed to make IIoT work, 100% remotely managed, configured, and synchronized:
- Input/Output Unit
- Data Logger
- Modem (LTE Cat M1) & Gateway
- PLC (edge processing)
- System functionality
An ezeio is included with every HotSpot Hardware Product.

Technology that makes SMART Irrigation possible!
TAC- Box
A versatile enclosure that allows growers to monitor and control their farming operations in real-time!
Pump Automation
Automated solutions that retrofits into existing pumping operations for full remote control.
Fertigation Skid
Designed to simplify the execution and reporting of your nutrient management program.
TAC- Box
- 3 analog/pulse inputs for monitoring pressure, flow, water level applications
- 2 outputs for control of latching solenoid valves
- 1 Modbus connection for monitoring and controlling Engine Control Units (ECUs), VFDs, and utility energy/power
- 1 CANBus connection for monitoring diesel/natural gas ECUs
- 1 SDI-12 connection for soil moisture or weather monitoring
Supported Third Party Sensors
- Flowmeters
- Pressure
- Energy monitoring
- VFD Integration
- Weather Stations
- Soil Moisture
- Valve Control
Pump Automation
- Control and monitor multiple pumps and VFDs
- Monitor filter pressure, pressure differential, and flow
- Monitor utility voltage, energy, and power consumption
- Monitor reservoir, tank, and groundwater levels
- Monitor Pump Efficiency % and Energy Efficiency (kWh/acft)
- Enable pumps to automatically fill reservoirs
Supported Third Party Sensors
- Flow List
- Pressure
- Energy Monitoring
- VFD Integration
- Static Water Level
- Pumping Water Level
Fertigation Skid
- Schedule fertigations and vary injection rates based on crop needs
- Included flowmeter measures volume applied
- Internal VFD adjusts motor load to inject at desired injection rate
- Select fertilizer type within software and record fertilizer applications by volume and type
- Utilizes 120 VAC 20 AMP non-gfi power source
The software behind HotSpot AG’s Technology
The software behind HotSpot AG’s innovative solutions empower growers to address everyday challenges in real time. When retrofitted into existing irrigation operations, growers can utilize the following software capabilities:
- View real-time flow, energy, and pressure
- Remote on/off control
- Scheduling irrigation and fertigation days, weeks or months in advance. Schedules are saved to each controller to function in the event of connection loss
- Time of Use (TOU) Prevention
- Energy efficiency monitoring (kWh/ac-ft)
- Real-time pump efficiency (with groundwater monitor)
- Automated “Off-Peak” reservoir fill
- CSV file downloads available for all recorded data

Tutorial Videos
Alarm Management
Click to discover the full capabilities of HotSpot AG’s Alarms!
No more guess work, see your potential savings below!
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Step 3: See your savings!
Changing an Active Irrigation Schedule in HotSpot AG’s System
How to Change VFD
Pressure Setpoints
Downloading Historical Data from Your HotSpot AG Dashboard
Changing Fertilizer Inside
Your HotSpot Dashboard
Visalia, CA 93291 United States
Fresno, CA 93702 United States
Turlock, CA 95380 United States
Santa Rosa, CA 95404 United States
Paso Robles, CA 93446 United States


















