DESCRIPTION :
WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation(TM), it’s a highly integrated product based on ESP32 + SX127x, it has Wi-Fi, BLE, LoRa functions, Li-Po battery management system and 0.96 OLED. It’s the best choice for smart cities, smart farms, smart home, and IoT makers.
FEATURES :
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Microprocessor: ESP32(dual-core 32-bit MCU + ULP core), with LoRa node chip SX1276/SX1278.
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Micro USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
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Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching).
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Onboard 0.96-inch 128*64 dot matrix OLED display can be used to display debugging information, battery power, and other information.
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Integrated WiFi, LoRa, Bluetooth three network connections, onboard Wi-Fi, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX (U.FL) interface for LoRa use.
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Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.
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Support the Arduino development environment.
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With good RF circuit design and basic low-power design(sleep current ≤ 800uA).
Parameters
Description
Master Chip
ESP32 (240MHz Tensilica LX6 dual-core+1 ULP, 600 DMIPS)
LoRa Node Chip
SX1276/SX1278
USB to Serial Chip
CP2102
Frequency
470~510MHz, 863~923MHz
Max. TX Power
19±1dBm
Receiving sensitivity
-135dBm
Wi-Fi
802.11 b/g/n, up to 150Mbps
Bluetooth
Bluetooth V4.2 BR/EDR and Bluetooth LE specification
Hardware Resource
22*GPIO; 3*UART; 2*I2C; 2*SPI;
Memory
520KB internal SRAM; 8MB Spi Flash
Interface
Micro USB x 1; LoRa ANT(IPEX1.0); 2*18*2.54 Header Pin
Battery
3.7V lithium (SH1.25 x 2 socket)
Operating Temperature
-20 ~ 70 ℃
Dimensions
51 * 25.5* 10.6 mm







