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  • 7 segment rolling display using PC

    It is very interesting and convenient to be able to control everything while sitting at your PC terminal. Here, a simple hardware circuit and software is used to interface a 7-segment based rolling display. VN:F [1.6.9_936]please wait…Rating: 3.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • PC based Frequency Meter

    Here is a simple technique for measuring frequencies over quite a wide frequency range and with acceptable accuracy limits using a PC. VN:F [1.6.9_936]please wait…Rating: 0.0/10 (0 votes cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • Simple Analog to Digital Converter

    Normally analogue-to-digital con-verter (ADC) needs interfacing through a microprocessor to convert analogue data into digital format. This requires hardware and necessary software, resulting in increased complexity and hence the total cost. VN:F [1.6.9_936]please wait…Rating: 5.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • Control electrical appliances using PC

    Here is a circuit for using the printer port of a PC, for control application using software and some interface hardware. VN:F [1.6.9_936]please wait…Rating: 3.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: -1 (from 1 vote)