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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2022-05-06 13:21:34 -07:00
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sidebar_position: 6
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2022-01-01 22:54:49 -08:00
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---
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2022-09-24 08:05:17 -07:00
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## WiFi LoRa 32 (V2) * Not Recommended - Support may be dropped
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It continues to be a struggle to support this very old ESP32 chip, not officially supported in 1.3 / 2.0 and support may be dropped completely.
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Using this device with a battery is not recommended.
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2022-01-01 22:54:49 -08:00
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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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2022-04-22 16:09:23 -07:00
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2022-01-01 22:54:49 -08:00
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- Firmware file: `firmware-heltec-1.x.x.bin`
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2022-04-22 16:09:23 -07:00
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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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2022-04-22 16:09:23 -07:00
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There are two versions of the Heltec (V2). Below is a picture highlighting the visual differences:
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2022-01-01 22:54:49 -08:00
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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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2022-10-24 11:58:05 -07:00
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- See [hardware update log](https://docs.heltec.org/en/node/esp32/dev-board/hardware_update_log.html) for more details
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