Other
“Everyone with pet fish, either in a pond or an aquarium, has had the issue of not being able to feed them when on holiday. To solve this, I decided to make an automatic fish feeder. Since my fish are …
“This motor-driver is an H-bridge circuit that was designed to drive a single DC motor at up to 30amps at 24vdc. It incorporates a simple design utilizing parallel mosfets to allow a higher amperage rating and requires 4 wires to …
“If you want to learn about saving water, talk to a farmer. California farmers, including myself, voluntarily aim to reduce agricultural water consumption by 25%. This reduction (25% of 42 million acre feet/year) is more than the annual urban …
“Have you ever dreamt of having your own IC tester at home? Not just a gadget that can test IC, but a “programmable” machine that feels like one of the flagship product of the biggest players in the semicon test …
“There is one thing missing from all my projects so far…..Something that moves. Bristle bots are very similar to hex bugs but are built from toothbrush heads and pager motors. I thought the idea of bristle bots was cool …
“PROBLEM: We moved into a new house a couple of years ago, and it already had a security system installed. Problem was that nobody knew the password! The previous owners never used it, and the manufacturer had gone out of …
“During experiments with digital voice mode in hamradio I discovered a nice project describing an adapter for D-Star, DMR and other digital modes based on an Arduino Due and a little PCB to be put on top. This unit is …