Circuit Lake

Electronic Project and Circuit Collection

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Raspberry Pi & Arduino based Smart Fishtank

November 25, 2013 By: admin Category: Arduino, Control, Monitoring, Raspberry Pi No Comments →

Arduino Smart Aquarium

Hayden has built the internet enabled fishtank with so many features. It has automatic feeding, timer enabled LED lights, matrix display with scrolling messages, ultrasonic depth monitor, thermometer, LCD, underwater cam, speaker, filter and buble control using servo, custom messages and voice, also web based monitor and control.

Arduino Lightweight Two Wheel Balancer Robot

May 22, 2013 By: admin Category: Arduino, Control, Robotic No Comments →

Two Wheel Balancing Robot

VertiBOT is lightweight balancing robot based on Arduino Nano. This educational project was built to investigate and understand sensor fusion using kalman and complementary filter algorithm and PID control in an unstable system.


Liquid Supply Controller

April 08, 2013 By: admin Category: Control, Measurement, Project No Comments →

simple liquid supply meter and controller

This liquid controller project can be used to measure & supply exact amount of liquid like water, petrol, kerosene, juice, cold-drinks etc. It uses simple set up for the hardware – an AT89S52 Atmel microcontroller, motor relay, 16×2 LCD and three buttons for input. The system uses time value rather debit counter to measure and […]

555 Fully Automatic Emergency Light

April 06, 2013 By: admin Category: Control, Miscellaneous No Comments →

Automatic Emergency Light Schematic

This circuit shows you how to build simple Automatic Emergency Light using IC 555. This emergency light automatically turns on when mains fails and turn off when mains power is available. Its charging circuit stops automatically when the battery is fully charged. So you can leave the emergency light connected to AC mains overnight without […]