Is this kit compatible with arduino uno r3 or mega?

Sure. All sensors in this kit are compatible with arduino most controllers such as uno r3, mega, leonardo, nano etc. and also work with raspberry pi. Note we only provide arduino code example. If have any other concerns, feel free to contact us via email kyymx1601@163.com Thank you.

Will these work with rasberry pi pico

Yes, all sensors in this kit list are compatible with raspberry pi. So you are able to order them work with pico.

Will these work on a standard arduino uno? does it need the arduino mega r3?

All sensor modules can work on a standard arduino uno or the arduino mega r3. You will need to prepare the arduino controller separately.

what abou the main controller, is included?

This kit not includes the main controller. It contains 37 kinds of sensors modules, easy to use and program in arduino software. All sensors modules are compatible with both arduino and raspberry pi. Please note we only provide arduino tutorials, projects code and connection diagrams. If need any help, welcome contact us via email kyymx1601@163.com Thank you.