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LoRa32u4 II Lora SX1276 868MHZ /915MHz Development Board for Arduino
  • LoRa32u4 II Lora SX1276 868MHZ /915MHz Development Board for Arduino

LoRa32u4 II Lora SX1276 868MHZ /915MHz Development Board for Arduino

DWM17120401
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LoRa32u4 II is a light and low consumption board based on the Atmega32u4 and SX1276 868MHZ /915MHz LoRA module.

Center frequency

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$25.90
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Description

Description:
LoRa32u4 II is a light and low consumption board based on the Atmega32u4 and HPD13  868MHZ /915MHz  LoRA module and an 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 ATmega32u4 is clocked at 8868MHZ /915MHz and 3.3 V. This chip has 32 K of flash, 2 K of RAM and built-in USB to Serial communication, debugging and programming capabilities without the need for an external FTDI chip, it can also act as an HID device (mouse, keyboard, USB MIDI device, etc).
This board is also equipped with a LiPo and Liion 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 used for charging status.

HPD13 wireless module, using high-performance, highly integrated RF transceiver chip SX1276 design. Advanced LoRaTM spread spectrum communication technology to ensure that the module communication distance and anti-jamming capability greatly improved, and also achieved a very low current consumption. In the LoRaTM mode, the HPD13 provides higher reception sensitivity performance, more robust anti-jamming capability, and improved communication distance and reliability compared to the same transmit and receive modules on the market. In normal (G) FSK mode, it also provides industry-specific receiver sensitivity, as well as very high communication rates.  

  • ATmega32u4 @ 8MHz with 3.3V logic/power
  • 3.3V regulator with 600mA peak current output
  • USB native support, comes with USB bootloader and serial port debugging
  • Built in 100mA (can be set up to 1A by resistor) liPO (lithium polymer) charger with charging status indicator LED
  • Reset button

 

HPD13:

  • Receive current (HPD13 module) : 10 ~ 14mA
  • Interface Type: SPI
  • Operating temperature: -40 ° C to + 85 ° C
  • Digital RSSI function
  • Automatic frequency correction
  • Automatic gain control
  • Radio wake-up function
  • Low voltage detection and temperature sensor
  • Fast wakeup with frequency hopping
  • Highly configurable packet handlers

 

Download

Arduino Hardware folder (unzip and place in documents/Arduino/hardware, crete folder if non existing) 

Datasheet  

Pinout diagram 

Driver windows 

Package includes:
1 X LoRa32U4 II Lora Module development board
1 X Antenna

Product Details
DWM17120401
198 Items
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RFM69CW / RFM69HCW SX1231H 433MHz /868MHz /915MHz HopeRF transceiver rf module

RFM69CW / RFM69HCW SX1231H 433MHz /868MHz /915MHz HopeRF transceiver rf module

The RFM69CW /RFM69HCW are built in by SX1231and SX1231H which is ISM Free band  transceiver module capable of operation over a wide frequency range, including the 433MHz,868MHz and 915MHz.

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