* added function `spi_read_byte` enabling the user to read SPI register.
0.0.25
* added function `analog_read` enabling the user to read analog signals.
0.0.24
* added `i2c_read_payload and` `i2c_write_payload functions` which allows users to read and write a contiguous payload of bytes
0.0.23
* Ensure compatibility with pyserial 3.X * Power a ``start_poweroff`` parameter to ``TeensyPower`` to start the device in the on state. * Added the ability to close and open the device without deleting the python object.
0.0.22
* Added the ability to control a power switch that is connected to the nominally on port.
0.0.21
* Add support for I2C on the Teensy4 through the use of [Richard Gemmell's library](https://github.com/Richard-Gemmell/teensy4_i2c/).