2022-01-01 22:54:49 -08:00
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---
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id: heltec
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title: Heltec device
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sidebar_label: Heltec
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---
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## WiFi LoRa 32 (V2)
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- ESP32 - Wifi & Bluetooth
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- SX127x - LoRa Transceiver
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- Frequency options:
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- 433 MHz
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- 470-510 MHz
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- 863-870 MHz
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- 902-928 MHz
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- Built in 0.96 inch OLED display
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- U.FL antenna connector
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- Reset and Program switches
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- No GPS
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- Firmware file: `firmware-heltec-1.x.x.bin`
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2022-03-08 23:10:41 -08:00
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- [Purchase link](https://heltec.org/project/wifi-lora-32)
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2022-01-01 22:54:49 -08:00
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[<img src="Heltec WiFi LoRa 32 (V2)" src="/img/hardware/heltec-v2.png" style={{zoom:'25%'}} />](/img/hardware/heltec-v2.png)
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2022-01-27 11:31:41 -08:00
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[<img src="Heltec WiFi LoRa 32 (V2) Pinouts" src="/img/hardware/heltec_v2_pinmap.png" style={{zoom:'25%'}} />](/img/hardware/heltec_v2_pinmap.png)
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2022-01-01 22:54:49 -08:00
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- There are two versions of the Heltec (V2). Below is a picture highlighting the visual differences:
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[<img src="Heltec WiFi LoRa 32 (V2)" src="/img/hardware/heltec_v2_vs_v21.png" style={{zoom:'25%'}} />](/img/hardware/heltec_v2_vs_v21.png)
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- See [hardware update log](https://heltec-automation-docs.readthedocs.io/en/latest/esp32/wifi_lora_32/hardware_update_log.html) for more details
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