A waveform circuit of SPWM based on SOPC is designed. In Quartus II 9. 0 environment, Using Verilog HDL and module design method the design is completed. The selected FPGA model is EP2C35F672C6 in Cyclone series. According to the principle of sinusoidal PWM by irregular sampling, using the real-time...

Recently, many smart and network features are incorporated into electronic home appliances. As home appliances have becoming IoT products, usability issues are increasing because every home appliance has different platform and functionality. This research aims 1) to examine why the chatting-based UI...