WiFi LoRa 32 Expansion kit Quick Start

Installing the Battery

After removing the casing, you can install the battery. Battery type: 18650 flat-top lithium battery. Be careful not to reverse the positive and negative terminals.

Power On/Off

Press and hold the Power button for 3 seconds to turn the device on or off.

Charging

You can power or charge the device via the USB-C port. The applicable voltage is 5V.

Programming & Firmware Flashing

1. Connect the device to your computer via USB-C.
2. Enter BootLoader mode: Press and hold the USER button, press RST once, then release the USER button.
3. Select the serial port to flash your code. After flashing is complete, press RST to restart.

note

• We recommend using the Flash Download Tool to flash the firmware.
• After entering Boot mode, the serial port number may change, so remember to reselect the Port.

warning

Devices with and without a touchscreen use different firmware versions. Firmware for touchscreen-enabled devices is identified by the tft tag in the filename. Please select the firmware that matches your hardware configuration.

SDK

Please refer to the: Heltec ESP32 Series Quick Start.