Video lectures on Electronic subjects
Part 1: http://www.electronicsforu.com/newelectronics/articles/hitscc.asp?id=12590&group_type=cool_stuff
Part 2: http://www.electronicsforu.com/newelectronics/articles/hitscc.asp?id=12609&group_type=cool_stuff
Part 3: http://www.electronicsforu.com/newelectronics/articles/hitscc.asp?id=12981&group_type=cool_stuff
Part 4: http://www.electronicsforu.com/newelectronics/articles/hitscc.asp?id=13019&group_type=cool_stuff
Part 2: http://www.electronicsforu.com/newelectronics/articles/hitscc.asp?id=12609&group_type=cool_stuff
Part 3: http://www.electronicsforu.com/newelectronics/articles/hitscc.asp?id=12981&group_type=cool_stuff
Part 4: http://www.electronicsforu.com/newelectronics/articles/hitscc.asp?id=13019&group_type=cool_stuff
Water Pump Controller
Here is a circuit that automatically controls the water pump motor. The motor gets automatically switched on when water in the overhead tank (OHT) falls below the lower limit. Similarly, it gets switched off when the tank is filled up. Built around only one NAND gate IC (CD4011), the circuit is simple, compact and economical. It works off a 12V DC power supply and consumes very little power.
http://electronicsforu.com/newelectronics/lab/freecircuitslist.asp?title=Automatic+Water+Pump+Controller&id=1020
http://electronicsforu.com/newelectronics/lab/freecircuitslist.asp?title=Automatic+Water+Pump+Controller&id=1020
DTMF Based ROBO Car
#DTMF based #phones to communicate with a #robocar. Can you do it?
http://www.engineersgarage.com/contribution/dtmf-based-robo-car
http://www.engineersgarage.com/contribution/dtmf-based-robo-car
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