• ATmega32u4 + LoRA 433MHz RA02 Module

ATmega32u4 + LoRA 433MHz RA02 Module

  • Product Code: LORA32U4
  • Location: X345
  • Availability: In Stock
  • R225.00 (price excl. VAT)


ATmega32u4 + LoRA 433MHz RA02 Module

LoRa32u4 is a light and low consumption board based on the Atmega32u4, a 433MHz LoRA module RA02 from AI-Thinker and an LiPo/Li-ion USB battery charging circuit. Ideal for creating long range wireless networks that can exceed 2.4 GHz 802.15.4 and similar, it is more flexible than Bluetooth LE, does not require high power unlike WiFi and offers long range.

The RA02 LoRa module is fitted with an U.FL (IPX) external antenna connector. The ATmega32u4 is clocked at 8 MHz and 3.3 V. This chip has 32 K of flash, 2 K of RAM and built-in USB to Serial communication allowing debugging and programming capabilities without the need for an external FTDI chip, it can also act as an USB HID device (mouse, keyboard, USB MIDI device, etc). This board is equipped with a LiPo and Li-ion charging circuit and a standard battery interface. It is fully compatible with Arduino. A white user led is tied to pin 13. An orange LED is showing battery charging status.

Programming in Arduino IDE, in fact you cannot use Leonardo because the LoRa32u4 is also based on Atmega 32u4 but it is a 3.3V device and as such the bootloader is different than Leonardo boot loader

Quick Spec

  • ATmega32u4 @ 8MHz with 3.3V logic/power
  • 3.3V regulator with 500mA peak current output
  • USB native support, comes with USB bootloader and serial port debugging
  • 20 GPIOs
  • Hardware Serial, hardware I2C, hardware SPI support
  • Built in 100mA lipoly charger with charging status indicator LED
  • Power/enable pin
  • 4 mounting holes
  • Reset button
  • SX1278 RA02 LoRa® based module with SPI interface
  • 8 x PWM pins
  • 10 x analog inputs
  • Packet radio with ready-to-go Arduino libraries
  • License-free ISM bands (ITU "Europe" @ 433MHz)
  • +5 to +20 dBm up to 100 mW Power Output Capability (selectable in software)
  • ~300uA during full sleep
  • ~120mA peak during +20dBm transmit
  • ~40mA during active radio listening.
  • U.FL (IP) antenna connector
  • 1KM range

Resources

Shipping

  • 1 X DIYmall LoRa32u4 1KM Long Range Board Based ATmega32u4 433MHz LoRA RA02 Module
  • 1 X Antenna


Tags: lora32u4, 433MHz. lora, ra02

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