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If you have two cats and one of them is on a diet but the other needs free food, you can build a feeder with RFID capability that only opens for the...
- A working CD player tray mechanism+motor from an old cd-rom player - Sharp GP2D120 Proximity sensor - 125KHz RFID reader (e.g. ID-innovations ID-20,...
Strip an old CD rom player until you have only the tray with the DC motor that moves it back and forth. Alternatively, any other door with a dc motor ...
To ensure that Arduino stops turning the motor when an open/close action has been performed, I mounted two pushbuttons in the tray, which get presse...
You have to be able to open the feeder without a tag, when you want to fill it with food for example. Thus, we add a switch that puts it in 'manual mo...
Hook up the IR sensor to analog ch 4, with an LED to show that it works. The schematic shows only this step, for clarity. In your Arduino code you hav...
If you use a Seeed studio RDM630: Connect the TX pin of the RDM630 to the RX (pin 0) of the Arduino Connect the +5V pin of the RDM630 to the +5V of t...
If you have a 125KHz RF reader that allows an external antenna, you can build it to fit your needs. In my case the activation tag on the cat's collar ...
By now you should have an RF reader that reads your tag, a cd tray that opens and closes automatically or manually depending on the mode switch, and a...
This shouldn't be too difficult. Wait until it is dinner time, put food in the feeder and encourage the animal to point his nose where it is likely to...
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