Now we can turn on or off led depending on button state. gpio/interrupt: program that based on gpio/led_blink. Now we can toggle led state depending on logic level on INT0 using interrupts.

The 8-bit data chunks he sent can only make up 256 unique messages, so he pre-generated them. However, the DAC tried to be clever and do some interpolation with the signal – great for audio, not ...

There are two files for this. Pi_UART.py sends a string over the serial bus, and needs to be run on the Pi.FeatherOLEDUART.ino is the code I've been running on the Feather328p with OLED Featherwing.

[Jacob Geigle] had a problem. A GPS unit and a Bluetooth-to-serial were tying up all the hardware UARTs on an AVR Arduino project. “Software serial”, I hear you say. But what if I told you ...