No hidden charges. No surprise bills. Cancel anytime.
Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
Start Free
Earn up to 16% annual interest with Nexo.
More flexibility. More control.
Generate interest, access liquidity without selling, and execute trades seamlessly. All in one platform.
Geographic restrictions, eligibility, and terms apply.
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...
A aquarium computer designed for small reef aquariums. The computer is based on a module from GHI that utilises the Microsoft Micro Framework .NET. The hardware layouts, PCBs and firmware (C#) will be released under Creative Commons Lic. (by-nc-sa).