This is a circuit for a microcontroller based water level controller that turns the motor on/off depending on the water level in tank and turns off the motor in case of power fluctuations or dry run.
This is a circuit for a microcontroller based DC motor controller that can regulate the speed, direction of rotating, the running mode of motor and display messages accordingly on a LCD.
This is a circuit for a microcontroller based security system that can restrict access to a specific area only to authorised persons and locks itself in case of entering invalid passwords continuosly only to be unlocked by master user himself.
This is a circuit for a microcontroller based digital speedometer cum odometer for a bike that can show the speed and the distance travelled by a bike.
This is a microcontroller based circuit that uses real time clock to remotely control 24 electrically operated devices which can be switched on/off at precise times. The microcontroller can be programmed using a normal tv remote control.
This is a circuit that can control the temperature of a device according to its requirement and displays the temperature in the range of –55°C to +125°C on four 7-segment displays.
The idea of microcontroller is based according to working of human brain, while the working of human brain is developed according to age step by step. While in microcontrollers, the programs are downloaded at a single instance.
Many of the problems that appear out of Murphy’s box upon transforming a design from the mythical world of textbooks and SPICE to the real world emanate from the non-ideal power supply. Real power supplies can cause noise and spurious oscillations that can force the designer into a frustrating glitch hunt. Rules of thumb can usually be applied successfully to simple problems, but a little understanding and forethought will usually provide clean solutions to even the more obscure problems.