Heltec WiFi LoRa 32 V4
The successor to the Heltec V3: an ESP32-S3 board with an SX1262 LoRa radio, a 0.96in OLED in a protective case, USB-C and a battery connector, in the V3's size and pinout. The high-power version reaches about 28 dBm.
Specifications
| M C U | ESP32-S3R2 (V4) or ESP32-S3R8 (V4-R8) |
| Lo Ra | SX1262, up to 28 dBm (high-power version) |
| Bands | 863–928 MHz (high-power) or 433–510 MHz (low-power) |
| Extras | OLED, solar and GNSS connectors |
Projects Using Heltec WiFi LoRa 32 V41
Illustration
ESP32ESP32-S3
A tiny LoRa board that sleeps until you press its button, then sends one encrypted text on a private Meshtastic channel so the phones on your mesh get the alert. Not a certified safety device.
Intermediate·Code
8 parts listed
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Compatible Alternatives
Heltec WiFi LoRa 32 V3
Same size and nearly the same pinout, lower LoRa power. Heltec says V3 and V4 are interchangeable in most cases.
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