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A simple and cost-effective water level indicator circuit can be designed using this schematic. This water level indicator utilizes a CMOS IC CD4066 to indicate the amount of water present in an overhead tank and to provide an alarm...
Controlling the speed of a three-phase AC motor is achieved by regulating the frequency of the power supply, as the motor operates in synchronization with the line frequency. A three-phase AC motor speed controller functions as a three-phase sine...
This controller consists of three pairs of LED sensors arranged in a 3G-bridge configuration. The driver is capable of operating three actuators, with the motors connected in a Delta configuration. The apexes of the delta are linked to the...
This is the design of a bias current compensation circuit. This circuit can operate with medium wattage source resistances while maintaining a minimal increase in the equivalent offset voltage. It is based on the LM11 operational amplifier. The circuit...
Selecting the appropriate DC motor is essential for constructing mobile robots. Testing DC motors is straightforward and can be accomplished by assembling a basic DC motor circuit. The components needed for this circuit include a DC motor, a battery...
A gas sensor (TGS823 from Allegro Electronics, Cornwall Bridge, CT 06754) conducts in the presence of explosive gases. U5 is a voltage-to-frequency converter that produces a frequency proportional to the sensor conductance. The output frequency ranges from 100 Hz...
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