The high pulse voltage low power supply can be built with fly-back transformer as a converter. Generation by using fly-back converter is a significant method which can be improved the circuits of the device to make it simpler, and occupies a smaller space, and cheaper. The study aimed to study and develop a device that will obtain a high pulse voltage low power supply. The results of the study obtained are, the high pulse voltage has reached 50 kV at the frequency of 100 kHz. In addition, when the high pulse voltage is fed to the plane parallel, then at the distance of 50 cm there is a spark, which means it is can generate high pulsed electric fields, it was 50kV/cm.
A simple structure to measure the viscosity of a cookie jam has been built. The purpose is to help home industries to judge the right time to stop heating and stirring. The value is used in order to get the optimum result of jam for a good taste and economically considered. The load cell is applied to measure the viscosity by fixing it to the stirrer wing and converting the viscosity directly as weight. The number of the viscosity is compared to the OIL SAE commercial standard number and programmed in the microcontroller to display the corresponding values as approximation. The structure and the system can be easily adapted for other kind of purposes with similar interest
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