MichaelNuroSpetas/Adjustable-RGB-LED-for-Aquarium
Created for a 52 liter aquarium with plants.
Ultrasonic range finder, RGB led and a buzzer
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Created for a 52 liter aquarium with plants.
Two microprocessors communicating via a 433MHz transmitter and reciever. The transmitter has a SR04 ultrasonic sensor which sends the distance to reciever and displays it on a 5110 Nokia LCD.
controlling 10A 250v relays with an android phone via bluetooth
Relay controled by a temperature and or IR remote. Temp displayed and relay state displayed on the LCD