flasghinh info

README.md

@@ -32,6 +32,17 @@ To flash you will also need to compile `minichlink`. Included in the `ch32fun` r
 
 Or just use PlatformIO idc. We have the file for that too. It has debugging.
 
+## How flash?
+
+Use wlink-e programmer. Connect GND, power (?) and SWIO to PD1 and use `minichlink` to program, it's included in the `ch32fun` repo.
+
+```bash
+minichlink -w fan_controller.bin flash -b
+```
+
+You could also `make flash`
+
+
 ## Pins
 
 For the TSSOP20 package, CH32V003FxPx