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Adafruit Feather 32u4 RFM96W LoRa 433MHz - LoRa radio development board
ID: 561601
5902186333796
zł173.57
Tax included
zł141.11 tax excl.
Development board with the ATmega32u4 microcontroller and an integrated RFM96W LoRa 433MHz radio module, USB interface, and LiPo battery charging circuit, intended for building long-range wireless communication systems with low power consumption. Adafruit 3079
Description
The Adafruit Feather 32u4 RFM96W LoRa 433MHz is designed for developing portable and stationary data transmission systems using LoRa technology in the 433MHz band. The board integrates an ATmega32u4 microcontroller clocked at 8MHz and operating with 3.3V logic, enabling native USB communication without the need for an external USB-to-UART converter, as well as support for HID-class devices including keyboards, mice, and USB MIDI interfaces.
The integrated RFM96W radio module based on the SX1276 chipset implements long-range LoRa packet transmission intended for sending small amounts of data in telemetry, control, and monitoring systems. Software-configurable transmit power up to 100mW and high receiver sensitivity enable communication distances exceeding 2 km under line-of-sight conditions.
The board includes a 3.7V lithium-polymer battery charging circuit with charge status indication and automatic power source switching between USB and battery. The battery voltage is routed to an analog input, enabling monitoring of the charge level within the user application and implementation of power management functions.
The Adafruit Feather 32u4 RFM96W LoRa 433MHz provides 20 GPIO lines, hardware UART, I2C, and SPI interfaces, PWM outputs, and analog inputs, enabling integration with sensors, actuators, and other embedded system components. The board is supplied fully assembled and tested, ready for programming using the Arduino IDE.
A video presenting the product is available.
Pinout definition
Features
- Microcontroller: ATmega32u4
- Clock frequency: 8MHz
- Logic level and power: 3.3V
- Flash memory: 32kB
- SRAM: 2.5kB
- Wireless connectivity: LoRa 433MHz
- Radio module: RFM96W
- Radio chipset: SX1276
- RF transmit power: +5dBm to +20dBm
- Transmission technology: LoRa
- Radio interface: SPI
- Current consumption in sleep mode: approximately 300µA
- Current consumption during +20dBm transmission: approximately 120mA
- Current consumption in receive mode: approximately 40mA
- Antenna connection: solder pad for wire antenna, footprint for u.FL connector
- GPIO pins: 20
- PWM outputs: 7
- Analog inputs: 10
- Communication interfaces: USB, UART, I2C, SPI
- Battery charging circuit: LiPo 3.7V, 100mA charge current
- Charging status indication: LED
- 3.3V voltage regulator: up to 500mA peak output current
- Reset button: yes
- User LED: pin 13
- Mounting holes: 4
- Dimensions: 51 x 23 x 8 mm
- Weight: 5.5g
- RoHS compliant: yes
Kit includes
- Adafruit Feather 32u4 RFM96W LoRa 433MHz board
- Set of solderable pin headers
561601
Data sheet
- Microcontroller
- ATmega32u4
- Flash memory
- 32kB
- Number of I/O
- 20
- Ethernet
- none
- WiFi/BT module
- No
- Bluetooth module
- No
- MicroSD slot
- No
- Length
- 51mm
- Width
- 23 mm
- USB connector type
- microUSB type B
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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