Input Plug sensors The HYT131 only option is

The HYT131 only option is just the HYT131 sensor

The BUB will upload with Optiboot with either the 5V or 3

and a few other components to create a working JeeNode USB

The PCB only variant contains just the board for the Gravity Plug

and is designed 100% for through-hole components

Input Plug sensors The HYT131 only option isDue to high demand from the Summer Sale this item is now out of stock. If you order now, you will join a FIFO queue for the next batch expected mid November. The Input Plug is a small board containing a CD4067 16 channel analog multiplexer plus a dedicated ATtiny microcontroller to take care of channel selection. It allows you to connect up to 16 analog inputs to a single AIO pin on any port. There is an InputPlug class in the JeeLib library to