Power HAT Case for Raspberry Pi 4 altimeter You don't have to use

You don't have to use Android Things with your Rainbow HAT

All of the Raspberry Pi’s GPIO pins are broken out along a row of numbered through-holes just below the 40-pin GPIO connector

so you can tell broadly if the three groups of gases are increasing or decreasing in abundance

It is made with the latest technology and twice as bright as 'standard' 2

Power HAT Case for Raspberry Pi 4 altimeter You don't have to useThe Power HAT Black Case has been specifically designed for use with the Raspberry Pi 4 Model B with power switch feature. This comes in Black colour. Features an integrated power switch on top for safe startup & shutdown. Two color LED for power status; green for startup, red for shutdown Power Hat power switch comes with PCB that simply attaches to the GPIO to provide power. Simple two line installation script to enable button functionality Space