Posted in Arduino Hacks, Tool Hacks Tagged arduino, constant current, constant voltage, load, programmable load ← The BitBox Console Gets Upgraded BRAIGO – A Lego Braille Printer → ...

Using the ever-popular Arduino Uno, the feeder is connected to a platform that uses load cells to detect the pet’s weight. The weight data is then used to identify which animal is looking for food.

The first version (v1.0) of my USB Dummy Load circuit presented here is a cheap and cheerful solution for testing USB chargers and USB power banks/batteries. The simple design uses power resistors to ...