The design of the guiding idea is to use infrared emission infrared LED and infrared receiver to receive the infrared control and its amplification, rectification form a line level signal. When there is someone or something to block infrared light, the receiver does not receive infrared control signals, the amplifier output low, while the level control signals into single chip count, and driven by the decoding circuit to digital display value. This will be the number of persons or things to statistics.

d2009042316063174.doc

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．