Module sender 

Built-in sender

If you want to create a new sender, you will need to implement SendCommand trait

Structs

I2cSender

I2cSender is the I2C interface with an adapter board to drive LCD1602

ParallelSender

ParallelSender is the parallel interface to drive LCD1602

Traits

IfReadable

IfReadable trait is a simple const bound trait

SendCommand

SendCommand is the trait a sender should implement to communicate with the hardware