HELTEC LoRa32 V3.1 can install the Meshtastic firmware as a development board which is a highly integrated product based on ESP32(including WiFI and BLE), Li-Po battery management system,0.96” OLED also included.
Features:
MCU:
ESP32-S3FN8 (WiFi & Bluetooth)
LoRa Transceiver:
Semtech SX1262
Frequency Options:
433 MHz
470 - 510 MHz
863 - 870 MHz
902 - 928 MHz
Connectors:
USB-C
Antenna:
Dedicated 2.4 GHz metal spring antenna for WiFi/Bluetooth
U.FL/IPEX antenna connector for LoRa
Built in 0.96 inch OLED display
User and Reset Buttons
No GPS
Meshtastic I2C Definitions
SDA: GPIO41
SCL: GPIO42
Specifications
Parameters |
Description |
Master Chip |
ESP32-S3FN8(Xtensa®32-bit lx7 dual core processor) |
USB to Serial Chip |
CP2102 |
WiFi |
802.11 b/g/n, up to 150Mbps |
Bluetooth LE |
Bluetooth 5, Bluetooth mesh |
Hardware Resource |
7*ADC1+2*ADC2; 7*Touch; 3*UART; 2*I2C; 2*SPI, etc. |
Memory |
384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SiP Flash |
Interface |
Type-C USB; 2*1.25 lithium battery interface; 2*18*2.54 Header Pin |
Battery |
3.7V lithium battery power supply and charging |
Power Consumption |
Deep Sleep 10uA |
Operating Temperature |
-20~70℃ |
Dimensions |
50.2 * 25.5* 10.2 mm |
Package Include:
x1 - Heltec WiFi LoRa 32 (V3) Pre-flashed with Meshtastic
x1 - LoRa Antenna
x1 - SH1.25×2 Battery Connector
x2 - Pin Headers
Useful Link:
Meshtastic Supported Hardware
Heltec ESP(ESP32&ESP8266) framework
Datasheet
Schematic diagram