A simple number-based layered menu system for Arduino with digital rotary encoder.
Have you ever wondered how to build a system that changes the water in your fish aquarium automatically and maintains the water level, freeing you from the hassle and mess associated with changing water? Besides describing the working principles and various ways to control the system, this article outlines the how-to and my experience in constructing such a fully automated system using Arduino and 3D printed as well as off-the-shelf parts.
The EHEIM Twin automatic fish feeder is a wonderful auger/screw based feeder that ensures consistency. However the augers that came with the feeder do not work well with smaller pallet sizes. 0.5mm micro pallet causes the augers to jam. This article outlines a custom designed auger that is capable of delivering extremely small quantity of micro-size pallet and even grounded pallet, at a consistent and reliable rate.
September 2015, Jing and I took a roadtrip to the Seattle. This film is compiled with footage all shot on an iPhone, a film experimenting with the capability of mobile smartphone camera and testing the limit of the mobile editing software and filters.
September 2015, Jing and I went on a road trip to Seattle. This video was entirely shot and edited on an iPhone 6 Plus. I experimented with the iMovie's built-in filters, and here is the result.