WiFi LoRa 32
WiFi LoRa 32 is a classic IoT dev-board designed & produced by HeltecAutomation(TM), it’s a highly integrated product based on ESP32-S3 + SX1262, it has Wi-Fi, BLE, LoRa functions, also Li-Po battery management system, 0.96” OLEDarealso included. It’s the best choice for smart cities, smart farms, smart home, and IoT makers.
Version Comparison
Feature Item |
V3 Version |
V4 Version |
|---|---|---|
MCU |
ESP32-S3N8 |
ESP32-S3R2 |
Flash |
8MB integrated |
External 16MB Flash |
Charging Chip |
Standard Li-ion battery |
Support solar charging |
Solar Input Port |
/ |
New SH1.25-2P port |
LoRa TX Power |
21±1 dBm |
28±1 dBm |
2.4G Antenna |
Metal spring antenna |
FPC antenna + IPEX port |
USB-UART Chip |
Integrated CP2102 |
Removed CP2102 |
GPS Port |
/ |
New SH1.25-8Pin port |
Expansion Pins |
36P |
40P |
Screen Connection |
Welding |
B2B Connector |
Pins |
Silver plating |
Immersion gold |
Screen Frame |
Partial protection |
Full protection |
Note
V4 builds upon V3 with multiple functional improvements, but the fundamental operation remains consistent between the two.
Important Resources
Get Start
Application and Extension
Frequently Asked Questions
Hardware Update Log
Heltec General Docs
–>[General Docs]<– <https://docs.heltec.org/general/index.html>