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Feather 32U4 Radio With Rfm69Hcw Module
AdafruitATmega32u4
A portable microcontroller board with an RFM69HCW radio module for long-range packet transmission.
In stock
Specifications
6- Operating Voltage
- 3.3V logic, 500mA peak current output from 3V regulator
- Flash
- 32K bytes
- Ram
- 2K bytes
- Gpio Count
- 20
- Dimensions
- 2.0" x 0.9" x 0.28" inches
- Connectivity
- USB, I2C, SPI, UART
Pinout
26| Pin | Name | Functions | Notes |
|---|---|---|---|
| GND | GND | POWER | Common ground for all power and logic |
| BAT | BAT | POWER | Positive voltage to/from the JST jack for the optional LiPo battery |
| USB | USB | POWER | Positive voltage to/from the micro USB jack if connected |
| EN | EN | POWER | 3.3V regulator's enable pin, pulled up by default |
| 3V | 3V | POWER | Output from the 3.3V regulator, can supply 500mA peak |
| 0 / RX | GPIO #0 | GPIO | Receive (input) pin for Serial1 and Interrupt #2 |
| 1 / TX | GPIO #1 | GPIO | Transmit (output) pin for Serial1 and Interrupt #3 |
| 2 / SDA | GPIO #2 | I2C | I2C data pin, no pull-up by default |
| 3 / SCL | GPIO #3 | I2C | I2C clock pin, no pull-up by default |
| 5 | GPIO #5 | PWM | Can also do PWM output |
| 6 | GPIO #6 | PWM | Analog input A7, can also do PWM output |
| 9 | GPIO #9 | PWM | Analog input A9, can also do PWM output |
| 10 | GPIO #10 | PWM | Analog input A10, can also do PWM output |
| 11 | GPIO #11 | PWM | Can do PWM output |
| 12 | GPIO #12 | PWM | Analog input A11, can also do PWM output |
| 13 | GPIO #13 | PWM | Connected to the red LED next to the USB jack, can do PWM output |
| A0 | A0 | ADC | Analog input and digital I/O pin |
| A1 | A1 | ADC | Analog input and digital I/O pin |
| A2 | A2 | ADC | Analog input and digital I/O pin |
| A3 | A3 | ADC | Analog input and digital I/O pin |
| A4 | A4 | ADC | Analog input and digital I/O pin |
| A5 | A5 | ADC | Analog input and digital I/O pin |
| SCK | SPI SCK | SPI | Hardware SPI clock pin, used by the RFM radio module |
| MOSI | SPI MOSI | SPI | Hardware SPI MOSI pin, used by the RFM radio module |
| MISO | SPI MISO | SPI | Hardware SPI MISO pin, used by the RFM radio module |
| CS | RFM CS | SPI | Chip select pin for the RFM radio module |
Interactive pinout
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ATmega32u4
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