Feather Bluefruit LE 4.1 32u4 - compatible with Arduino - Adafruit 2829

Product Code: AN-06566
Availability: Temporarily Out Of Stock
Ex Tax: 38.60€
A small module with a microcontroller AVR Atmega 32u4 known from the Arduino Leonardo known from Bluetooth BLE 4.1. Feather is designed for portable projects. On board is also a microUSB connector, through which the system can be programmed via the Arduino IDE environment. Board has a small size (51 x 23 x 8 mm) and can be powered by voltage from the USB port or from a rechargeable Li-Pol battery of 3,7 V Li-Pol. The module has built-in Bluetooth 4.1 BLE, so it can become the wireless control center.

  • Supply Voltage: Li-Pol 3.7 V or USB 5 V slot
  • Microcontroller AVR Atmega32u4 3.3 V:
    • Flash memory: 32 KB (2.75 kB of which is occupied by the bootloader)
    • SRAM: 2 KB
    • Clock frequency: internal oscillator 8 MHz
  • Built-in Bluetooth BLE 4.1
  • Driver: Bluetooth systemNordic nRF51822
  • Installed Arduino bootloader
  • Works with a modified version of the Arduino IDE
  • Connector microUSB for programming
  • Installed 3.3 V voltage regulator with current delivery up to 500 mA
  • Power supply from the USB port or with a Li-Pol battery 3.7 V
  • 20 GPIO pins
  • 8 PWM pins
  • 10 analog inputs (one for the battery voltage measurement)
  • Interfaces: UART, I2C, SPI
  • Built-in li-pol charging module 100 mA with LED indicator, which informs about the status
  • LED for pin 13
  • The reset button
  • Included are goldpin strips for self-soldering
  • Dimensions: 51 x 23 x 8 mm
  • Weight: approx. 5.7 g

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You can claim your purchased items within 1 - 4 work days after making an order (if product is in local warehouse).

Please wait for an email notification regarding Your order status update.

Vilnius Store address: Vytenio g. 20, LT-03229 Vilnius, Lietuva

Kaunas Store address: Pramonės pr. 4D, LT-51329, Kaunas, Lietuva

Local delivery

Purchased items are delivered locally through Venipak service. Depending on availability of items, orders are processed within 1-3 work days. Orders made until 1AM are shipped the same day.

Local delivery  (1-2 w.d.) price for items of any size is through through courier service is 4.50€ (incl. VAT). 

Local delivery price to Venipak parcel terminals (1-3w.d.) is 2.50€ incl. VAT.

Local delivery price to Omniva parcel terminals (1-3w.d.) is 3.50€ incl. VAT.

Payment on delivery +2.00€ (incl. VAT).

You can pay for the goods at the time of delivery to the courier in cash or by credit card. Payment to Omniva parcel terminals is only possible by bank card.

International delivery pricing through courier service

International shipping prices depend on geographic location:

Latvia - 5.50€ (incl. VAT)

Estonia - 6.50€ (incl. VAT)

other - negiotiated individually.

International delivery pricing to Omniva parcel terminals

Latvia - 6.00€ (incl. VAT)

Estonia - 8.50€ (incl. VAT)


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Paid orders of more than 100€ are shipped for free to Baltic countries.

Product availability status meaning:

Vilnius Store In Stock - the product is at the store, Vytenio str. 20 in Vilnius and can be picked up / purchased the same day;

Kaunas Store In Stock - the product is at the store, Pramonės pr. 4D in Kaunas and can be picked up / purchased the same day;

Central Warehouse In Stock - In stock, product will be shipped in a short time 1-2 work days, there is no possibility to pickup on the spot;

1-2 work days - product will be shipped in a short time - 1-2 business days;

1-2 work days – we don’t have selected product in stock. Shipping time is only 1-2 work days;

3-5 work days – we don’t have selected product in stock. Shipping time is between 3-5 work days;

3-7 work days – we don’t have selected product in stock. Shipping time is between 3-7 work days;

Out of Stock – selected product is sold out at the moment, but you can apply for automatic alert by email when product will be in stock.