What is SIT

The word SIT is derived from Solar Internet of Things. It’s a Monitoring & Controlling tool for Solar Inverter.

SIT Capabilities

• Inverter Data Read / Write
• Dashboard: Web based & Dedicated Display
• Data Logging
• Further Development
• Multiple devices for remote monitoring/controlling
• OTA updates

Compatibility

• Voltronix based Inverters with RS232 communication port
• Tested with VM-III (Should be compatible with many models)
• Check links on left for pictorial and listed capabilities
• Download Test Software to check if this will work with your inverter (Testing needs minimum hardware [given below] in addition to test software)

Disclaimer

• SIT is result of DIY project
• No responsibility of any kind whether financial or technical or otherwise is assumed/accepted – You should use it at your own risk(s)
• Guarantee of any or all features is not provided
• Future updates (free / paid) are not committed
• Any amount paid, is non-refundable (Pl register & download free test Software before payment)

Hardware Requirements (definitely in addition to Solar Inverter)

Minimum [DIY Hardware. You need to arrange hardware yourself (At least for time being)]. (Software will be provided)
• ESP32 microcontroller
• RS232 – TTL Adapter
• LAN to RS232 Cable (Generally supplied with Inverter)
• Micro USB Power Adapter to power Microcontroller – Phone Charger Works Fine
• A PC with programming Software and usb data cable for writing initial program to microcontoller

Optional
• Matrix / LCD Display (If live data need to be displayed)
• SD Card Module & SD Card (If Data logging is required)
• 5V Buzzer – if Audio beep responses are required
• Veroboard
• Case – can be 3D Printed
• Additional ESP32 microcontrollers – if Remote display / data logging or webserver is required
• LAN to RS232 Cable (Generally supplied with Inverter)
• Micro USB Power Adapter to power Microcontroller – Phone Charger Works Fine recommended 2A at least