To measure the distance I’ve chosen an analog sensor (Sharp GP2Y0A21YK) because it has the best results when compared to other distance sensors. The TEMT6000 recognizes typical human visible spectrum with light wavelengths in the range of 390–700 nm. visible light emitted by a source, measured in lm) divided by an area in m². Illuminance is a measure of total luminous flux (i.e. The graph below shows a relationship between the current and illuminance perceived by the TEMT6000. The output pin SIG works as a transistor, so the greater the light applied near the sensor, the higher the voltage is on the output of the pin. Wiring this sensor to the Arduino Board is quite simple: the VCC to the 5V pin GND to board’s GND pin and the SIG needs to be connected to an Analog Input. TEMT6000 light sensor has 3 pins: SIG GND VCC. It’s important to distinguish the two in order to determine when and how often we release the food. We’ll be using SparkFun Ambient Light Sensor TEMT6000 to detect if it’s Day or Night. Today we’ll make a smart automatic pet feeder using Arduino Uno! The key components of the project include an RTC module to track time and manage feeding schedule, distance sensor to monitor food level, light sensor to distinguish day/night, and RFID to identify our pet. Do you ever get lazy feeding your pets? Sure, we love our pets, but just sometimes we wish we could make it automatic.
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