The PICAXE-28X1 IC is a tiny single-chip computer that you can program in a graphical flowchart-like language or easy to learn BASIC. The 28X1 is a newer revision offering expanded memory.
The PICAXE-40X1 IC is the biggest, baddest PICAXE made. LOTS of power, memory, and ability, all programmable in a graphical flowchart-like language or easy-to-learn BASIC.
The PICAXE-28X1 is powerful, but how about being powerful AND tiny? Here's the surface-mount version!