SIP Pi HAT

Raspberry Pi HAT for the SIP (Smart Irrigation Program) irrigation controller.

Features

• Designed to interface with SIP irrigation controller on Raspberry Pi
• Outputs for relay control of up to 16 stations with 74HC595 output header for more
• XAIO ESP32C3 module for flow sensor monitoring with inputs for hall flow sensor. Designed to work with the flow plugin
• Communicates flow sensor data to Pi via UART
• 5v I2c headers. Great for LCD plugin.

Hardware

This project contains KiCad 7+ design files:

• SIP_Hat.kicad_sch - Schematic
• SIP_Hat.kicad_pcb - PCB layout
• SIP_Hat.kicad_pro - Project file
• Gerber/ - Manufacturing files

Firmware

The ESP32C3 firmware is available in the companion repository: flow-sensor-esp32

Bill of Materials

See SIP_Hat.csv for the complete BOM.

Related Projects

• SIP Irrigation Controller
• SIP Plugins
• ESP32C3 Flow Sensor Firmware

License

This hardware design is licensed under CC BY-SA 4.0.

You are free to share and adapt this work, provided you give appropriate credit and distribute your contributions under the same license.