A,Test a purpose 1, the function and plait distance method of further understanding DAC0832. 2, understand the basic method of direct current electrical engineering control. Two,Test a contents 1, press the figure 55 circuits to connect line.The CS of DAC0832 connects a 290 Hs~297 Hs, the Ub connects a DJ socket.8255The CS connects a 288 Hs~28 FHs. 3,Weave a distance to make use of DAC0832 to output a string of pulse, after enlarging, drive small direct current electrical engineering, make use of 0~ K5s of switch Ks control change output pulse of the electricity is even and keep on time, attain to make the electrical engineering accelerated, decelerate of purpose. Three,Test principle Jian Shu Small direct current electrical engineering s turning soon to output sharing of pulse from the Ub is empty ratio to decide, just to share empty compare more and greatly become soon more quick, whereas more slow.See the underneath diagram example: In this experiment, imitate quantity exp

小直流电机转速控制实验
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