Software engineers are divided into two specialties: computer application engineers and computer systems engineers. Computer application engineers analyze the needs of the user to design, create and maintain broad-focused computer application software or specific use programs.
Measure Temperature using Thermistor Thermistors are widely used because of their sensitivity, small size, ruggedness and low cost.Thermistors have an electrical resistance that varies non-linearly with temperature.easure Temperature using Thermistor Thermistors are widely used because of their sensitivity, small size, ruggedness and low cost.Thermistors have an electrical resistance that varies non-linearly with temperature.
PTC stands for âPositive Temperature Coefficientâ. PTC thermistors are resistors with a positive temperature coefficient, which means that the resistance increases with increasing temperature. PTC thermistors are divided into two groups, based on the materials used, their structure and the manufacturing process. The first group of PTC thermistors is comprised of silistors, which use silicon as the semiconductive material. They are used as PTC temperature sensors for their linear characteristic. The second group is the switching type PTC thermistor. This type of PTC thermistors is widely used in PTC heaters, sensors etc. Polymer PTC thermistors, made of a special plastic, are also in this second group, often used as resettable fuses. The switching type PTC thermistor has a highly nonlinear resistance-temperature curve.