Things are progressing, albeit slowly.
We've redesigned the controller as a
shield that fits an Arduino Mega2560 R3 that we have lobotomized, replacing the Arduino bootloader with a ZBasic bootloader and installing our compiled ZBasic firmware. The cost for Arduino + PLC Shield will be about the same as we projected for a standalone controller but the new approach is an order of magnitude more powerful, allowing simultaneous highspeed USB, RS232, WiFi and Bluetooth links, nearly 10 times the firmware capacity and some
51 50 excess MCU pins (15 ADC,
36 35 DIO) that we have yet to find a use for as well as I2C and SPI. Our goal is to minimize cost while maximizing utility and versatility.
The webpage has been updated.
http://davehouston.org/ultimate-X10.htmIt will be another 6-8 weeks before beta units will be ready.