This device is based on ATtiny13A with closed-source firmware with author's features. It is not DS2423 or its replacement, but it is developed to be possible to use it with a lot of software written for DS2423 (such as OWFS or Linux kernel modules).
- electricity, water, heat, gas accounting
- direct connection of analog sensors (no need in comparators)
- integrated battery backup
- low power consumption even with connected sensors
- internal pull-ups with pulse mode operation
- sensors' power supply with pulse mode operation
- adjustable parameters