WN90LP RS485 Modbus
1. ECOWITT Firmware
ZIP
WN90LP Accessory – USB Adapter Driver and Installation Steps
11/19/2025
Download
PDF
WS90 Series Firmware Release Notes
11/26/2025
Download
PDF
WS90&WN90LP Upgrade Toolkit Linux/MacOS
6/2/2023
Download
ZIP
WS90&WN90LP Upgrade Toolkit Windows PCs
4/9/2025
Download
ZIP
WS90 series Firmware V1.5.9
11/26/2025
Download
2. ECOWITT user\'s manual
PDF
WN90LP Manual
11/18/2025
PDF
WN90LP ModbusRTU_V1.0.6
11/18/2025
3. ECOWITT PC software
ZIP
Modbus RTU Setup
9/11/2023
Download
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