The Au and Cu are available from SparkFun https://www.sparkfun.com/categories/tags/alchitry
They’re currently out of stock due to chip shortages though. You’d have to contact them to know when more will be available.
The Au and Cu are available from SparkFun https://www.sparkfun.com/categories/tags/alchitry
They’re currently out of stock due to chip shortages though. You’d have to contact them to know when more will be available.