CatWAN Farmer by Electronic Cats

CatWAN Farmer, a grower's water saving project

Monitoring soil moisture at different depths to determine when to irrigate, and - more importantly - how much water is needed. Save 25%!

Main characteristics

• Provide low cost, easy to build, and rugged components for optimizing agricultural irrigation.
• DIY calibrated gypsum soil moisture sensors (Watermark SS200 is also supported).
• Hand held sensor reader (soil moisture, soil/water salinity, water pressure).
• Solar powered remote sensor platform.
• 4 electrically separated inputs for soil moisture sensors.
• LoRa module for long range (6 miles).
• temperature/humidity sensors.
• Solar battery charger.
• Real time clock for sleep mode power saving and precise irrigation timing.
• Gateway to connect multiple LoRa end nodes to the Internet.
• Supports packet mode LoRa® (package mode) or LoRaWAN ™ Class A, B and C.
• Compatible with Beelan, The Things Network and other LoRaWAN networks.
• Easy reprogramming compatible with Arduino and Circuit Python.

Specifications

• 32-bit ARM Cortex-M0+ processor with 256KB flash, 32KB SRAM, and an operating speed of up to 48MHz.
• Connectivity: USB 2.1.
• Vin: 4.2V-6.0V for charger - otherwise 3.5V-6.0V
• VBATT: 3.7V Lipo
• VCC: 600mA @3.3V
• Receiver Sensitivity: down to -146 dBm.
• TX Power: adjustable up to +18.5 dBm.
• Range: up to 15 km coverage in suburban and up to 5 km coverage.
• Watermark SS200 soil water tension sensor (4 x).
• Capacitive (FDR) volumetric soil moisture sensors (3x).
• Temperature and humidity.
• Compatible LoRa 915 and 868 Mhz.

LICENSE

Hardware released under an CERN Open Hardware Licence v1.2. See the LICENSE_HARDWARE file for more information.

Designed by Electronic Cats.

Electronic Cats is a registered trademark, please do not use if you sell these PCBs.

Electronic Cats invests time and resources providing this open source design, please support Electronic Cats and open-source hardware by purchasing products from Electronic Cats!