LoRa Node 433 & 868 Mhz ESP32 SX1276 WIFI Bluetooth Heltec Heltec Tracker HELTEC-LORA-868-TRACKER2-883 View larger

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LoRa Node 433 & 868 Mhz ESP32 SX1276 WIFI Bluetooth Heltec

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This LoRaWAN network node is an IoT development board for LoRa 433Mhz or 868Mhz (depending on the model) with WIFI 802.11 b/g/n/e/i, Bluetooth/BLE and 2.4cm OLED display.

Compatible with the Arduino environment, Windows, Linux, Mac and based on the microprocessor ESP32 (32-bit dual-core) and LoRa chip SX1278 (433Mhz version) or SX1276 (868Mhz version).

Integrates battery management system, charging and discharging, overload protection, automatic switching of USB power / battery.

Delivered with: 1 LoRa ESP32 V2 node, 1 lora antenna 433 or 868, 2 headers (soldering), battery and micro-USB cable not included.

More details

28,90 € tax incl.

Out of stock

  • 433 Mhz
  • 868 Mhz

More info

Specifications lorawan Node ESP32

Microprocessor

ESP32 (240MHz LX6 dual-core), 520KB, Wi-Fi, Bluetooth BLE)

LoRa chip

SX1276 (868 version) and SX1278 (433 version)

LoRa bands

EU_433, EU_863_870

LoRa max.output power   

18dB ± 2dB

Hardware resources

UART x 3; SPI x 2; I2C x 2; I2S x 1

12 – bits ADC; 8 – bits DAC

29 general GPIO

Display

0.96 inch 128*64 OLED display

FLASH

8MB(64M-bits) SPI FLASH

interface

Micro USB x 1; LoRa antenna interface(IPEX) x 1

Size

50.2 x 25.5 x 9.74 mm

USB to UART Bridge

CP2102 (drivers)

Battery Type

3.7V Lithium (SH1.25 x 2)

Low power design

Deep Sleep 800uA

Electrical characteristics

  

Minimum

Typical

Maximum

 

Power Supply

USB powered(≥500mA)

4.7V

5V

6V

Lithium powered(≥250mA)

3.3V

3.7V

4.2V

3.3V(pin)powered(≥150mA)

2.7V

3.3V

3.5V

5V(pin)powered(≥500mA)

4.7V

5V

6V

Power consumption(mA)  

WIFI scan

 

115mA

 

WIFI AP

 

135mA

 

LoRa 10dB emission

 

50mA

 

LoRa 12dB emission

 

60mA

 

LoRa 15dB emission

 

110mA

 

LoRa 20dB emission

 

130mA

 

Documentation Heltec WiFi LoRa 32

How to make a serial connection between your ESP32 card on Windows, Mac, or Linux

Arduino Library for Heltec ESP32 (or ESP32 + LoRa) devboards on Github

Pinout diagram ESP32 LoRa V2

diagram pinout lora esp32 heltec

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Delivery Europe & Overseas

Stock and shipped from France

Product return

14 days to return, 2 warranty

Email support

Response within 24h to 72h

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