A 3-channel fully automated Dew Controller (DIY project) based on Arduino Nano for telescopes. For $48 or less.
(c) Copyright Robert Brown 2014-2025. All Rights Reserved.
Permission is granted for personal and Academic use only. Code or portions of code may not be copied or used without appropriate credit given to author.
A very popular project with over 48,000 downloads.
There is a new ESP32 WiFi version at https://sourceforge.net/projects/esp32-dew-controller/
The older...
...This BACnet library provides a BACnet application layer, network layer and MAC layer communications services for systems based on the Rabbit 4000, 5000 and 6000 processors.
The rich feature set of the BACnet stack provides an ideal platform for developing Rabbit based control devices which can use the many BACnet tools out there to reduce the development time and effort.
...Includes a variety of graphics and filesystem middleware.
Please also check out FunkOS's big brother, Mark3OS. Mark3OS is slightly larger, but is more scalable, much more feature-rich, and supports a wider variety of devices.