Schema
Flash the USCB Serial if you want to use the board via the USBC serial with this web tool or with another serial monitor on your PC. With this option, your VoyagerRF board won't work in the flipper (the serial monitor is only available on USBC, not in the TX/RX pins).
If you want to make your own Xiao ESP32-C3 experiments and you want to use this WebFlasher, you can hook your MicroSD card slot like depicted in the following schema:
Instructions
Step 1. Open the website and connect the board holding the ESP32C3 BOOT button (the one on the top with the "B" letter): Boot button (press, hold, and connect while holding the button, then, release):
Step 2. Select the version you want to flash and select the "USB JTAG/serial debug unit". The COM number can be different, so don't worry about that.
Step 3. Select "Install VoyagerRF Marauder vX.X.X".
Step 4. Hit next, doesn't matter if you erase the device, MicroSD card data will remain.
Step 5. Hit "Install" to perform the update.
Step 6. Wait for the process to finish. If successful, the following message will be displayed:
Now you can check the version in the reboot option in the ESP32 WiFi Marauder app in your Flipper!