Heltec WiFi LoRa 32 Expansion Kit Heltec V4 ESP32S3 SX1262 928MHz GPS Module Tempered Glass/Touch Screen For Meshtastic LoRaWANNote: This product does not include batteries!!! (We recommend that you choose a 18650 lithium ion battery with a voltage of 3. 7V and a capacity of 2800mAh) Hello, Thank you for choosing the Heltec V4 expansion board. Please note that the hardware of the V4 development board has been upgraded from version 4. 2 to version 4. 3. For the best user experience, if you have purchased this expansion kit and need to refresh the latest firmware version,
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