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General| Microcontroller | ATSAMD51J19 |
|---|---|
| Clock Speed | 120 MHz |
| Flash Memory | 512 KB |
| SRAM | 192 KB |
| Digital I/O Pins | 20 |
| Analog Input Pins | 6 |
| Analog Output Pins | 1 |
| I2C | Yes |
| SPI | Yes |
| Operating Voltage | 3.3V |
| Power Supply | USB or LiPo battery |
| Serial | Yes |
| USB | Native USB |
| Dimensions | 51mm x 23mm |
Explains the function of GND, BAT, USB, EN, and 3V pins for power management.
Introduces general purpose I/O pins and 3.3V logic for microcontroller interaction.
Presents different header soldering options for breadboard and FeatherWing compatibility.
Details the two primary ways to power the Feather: MicroUSB and LiPo battery.
Shows how to fade an LED using PWM with a fixed frequency.
Guides on verifying sensor wiring and detecting it on the I2C bus.
Details how to log CPU temperature to a file by connecting a pin to ground.
Describes the process of entering bootloader mode by double-tapping the reset button.
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