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Feather 32U4 Bluefruit Le
AdafruitATmega32u4
A portable microcontroller board with built-in Bluetooth Low Energy (BLE) and USB support, suitable for IoT projects.
In stock
Specifications
5- Mcu
- ATmega32u4 @ 8MHz, 3.3V logic/power, 500mA peak current output, USB native support with bootloader and serial port debugging, 32K flash, 2K RAM, built-in USB-to-Serial program & debug capability, can act as mouse, keyboard, USB MIDI device, etc.
- Dimensions
- 2.0" x 0.9" x 0.28" in
- Battery
- Lipoly battery support with charging circuitry
- Power
- 3.3V, 500mA peak current output from 3.3V regulator
- Connectivity
- Bluetooth Low Energy (BLE), USB
Pinout
14| Pin | Name | Functions | Notes |
|---|---|---|---|
| 0 | RX | GPIO | Serial1 input |
| 1 | TX | GPIO | Serial1 output |
| 2 | SDA | I2C | I2C data, no pull-up by default |
| 3 | SCL | I2C | I2C clock, no pull-up by default |
| 5 | GPIO #5 | PWM | |
| 6 | GPIO #6 | PWMADC | Analog input A7 |
| 9 | GPIO #9 | PWMADC | Analog input A9, battery voltage divider |
| 10 | GPIO #10 | PWMADC | Analog input A10 |
| 11 | GPIO #11 | PWM | |
| 12 | GPIO #12 | ADC | Analog input A11 |
| 13 | LED | GND | Red LED, connected to USB jack |
| 8 | CS | SPI | Bluefruit LE module chip select |
| 7 | IRQ | SPI | Bluefruit LE module interrupt request |
| 4 | RESET | SPI | Bluefruit LE module reset |
Interactive pinout
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ATmega32u4
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