Device Type:misc
Electrical Standard:global
Board:rtl87xx
Difficulty:Disassembly required (3/5)
Project URL:https://github.com/hn/ginlong-solis
Solis S3 WiFi Stick
General Notes
This configuration is for the Solis S3 WiFi Stick which reads usage data from Ginlong Solis solar inverters.
Flashing Instuctions
This device uses a MXCHIP EMW3080-E MCU (RTL8710BN clone), supported by LibreTiny. With ltchiptool one can flash a .UF2 firmware generated by ESPHome via a USB-to-serial converter connected to the test points on the board.
GPIO Pinout
| Pin | Function |
|---|---|
| PA00 | HW watchdog reset |
| PA05 | Status LED green |
| PA08 | Reset button |
| PA12 | Status LED orange |
| PA18 | ModBus UART RX |
| PA19 | ModBus Flow Ctrl |
| PA23 | ModBus UART TX |
Basic Configuration
Please see the project page as there a multiple options and packages.