kopia lustrzana https://github.com/helium/longfi-arduino
63 wiersze
2.5 KiB
Markdown
63 wiersze
2.5 KiB
Markdown
# Heltec WiFi LoRa 32 V2
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This example demonstrates sending a simple data packet using a Heltec Wifi LoRa 32 V2 development board. Please follow every instruction step below from top to bottom.
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[Heltec LoRa 32 V2 Product Page](https://heltec.org/project/wifi-lora-32/)
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[Heltec LoRa 32 V2 Docs](https://heltec-automation-docs.readthedocs.io/en/latest/esp32/index.html)
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## Installing the Heltec ESP32 Library
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From the Arduino IDE, open the Library Manager (Sketch->Include Library->Manage Libraries). In the search box, type Heltec ESP32 and look for `Heltec ESP32 Dev-Boards`. Select the latest version and install.
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## Install Serial Driver
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Find Directions [here](https://heltec-automation-docs.readthedocs.io/en/latest/general/establish_serial_connection.html).
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## Install Arduino-ESP32 Board Support
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Find Directions [here](https://heltec-automation-docs.readthedocs.io/en/latest/esp32+arduino/quick_start.html#via-arduino-board-manager)
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## Select Board
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Arduino IDE:
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1. Select Tools -> Board: -> WiFi LoRa 32(V2)
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## Select Region
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Arduino IDE:
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1. Select Tools -> LoRaWAN Region: -> REGION_US915
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## Obtain Heltec License Key
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### Upload `GetChipID` example
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Arduino IDE:
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1. Select File -> Examples -> ESP32 -> ChipID -> GetChipID
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2. Select Tools -> Port: "COM# or ttyACM#"
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3. Select Sketch -> Upload
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4. Wait for Done uploading message
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5. Select Tools -> Serial Monitor
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Serial Monitor Window
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1. Select 115200 baud from bottom right dropdown.
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2. You should see something that looks like this every second `ESP32 Chip ID = ############`
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3. Save this Chip ID
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### Obtain License Key with Chip ID
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1.Go to [resource.heltec.cn/search](http://resource.heltec.cn/search)
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2. Enter ChipID
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3. Save license field, will look like `0x########,0x#########,0x########,0x########`
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## Upload `OTAA_OLED` example
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Arduino IDE:
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1. Select File -> Examples -> ESP32_LoRaWAN -> OTAA_LED
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2. Enter License Key at line 32
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```
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uint32_t license[4] = {`0x########,0x#########,0x########,0x########};
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```
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3. Enter DevEUI(msb), AppEUI(msb), and AppKey(msb) from Helium Console, at lines 34,35,36.
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```
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uint8_t DevEui[] = { FILL_ME_IN };
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uint8_t AppEui[] = { FILL_ME_IN };
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uint8_t AppKey[] = { FILL_ME_IN };
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```
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4. Select Sketch -> Upload.
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5. Wait for Done uploading message
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6. Select Tools -> Serial Monitor
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Serial Monitor Window
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1. Select 115200 baud from bottom right dropdown.
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2. Wait for device to successfully join, may take 1-3 min, and show several failures. Do not be alarmed by the failures, it is expected. |