The Stone of Rome was a modern interpretation of Bocca della Verità that invited participants to insert their hand into its mouth, tell a lie, and receive a penance. The exterior was constructed of epoxy resin and interior components included proximity sensors, LEDs, and a speech chip. The program was written in BASIC and installed on a PICAXE microcontroller.
Sculpted form
Building the silicone mold
Rolling the epoxy around
The mold release did not
First few lines of the program
It speaks. Sort of...
The full sequence
Determining optimal solar exposure
Fully installed
Close enough
Put your hand in my mouth