# The company Credits has demonstrated the work of the basic LED lamp interacting with the blockchain technology through the API of the Credits platform for external systems.
As the base metric, which determines the correctness of the blockchain performance, the number of the last block in the chain of records was selected, which increases by the results of each round.
Does the demonstrated work scheme have direct prerequisites for the launch of the platform on the IOT market and their recent collaboration with Lenovo Vision? Let’s analyze in a more detailed way the processes of interaction between the lamp and the platform, and what tools were used to do this, article published on the CREDITS developer portal will help us.
Link to full article https://developers.credits.com/en/Articles/a118