http://oberonstation.x10.mx/
Then there was the Sceptre board, but it went out quite fast.
https://www.elektormagazine.com/labs/easy-sceptre-programmin...
But given Astrobe, there are a few more boards to target.
[1] http://saanlima.com/store/index.php?route=product/product&pr...
Posting the direct link for the Oberon image.
http://www.saanlima.com/pepino/index.php?title=Pepino_Oberon
http://oberonstation.x10.mx/
Then there was the Sceptre board, but it went out quite fast.
https://www.elektormagazine.com/labs/easy-sceptre-programmin...
But given Astrobe, there are a few more boards to target.