1 / 12

How to Control Your Own Apparatus using PC Printer Port

How to Control Your Own Apparatus using PC Printer Port. Viraj Vishwakantha Jayaweera. Printer Port. 1000 * 0 = 0 100 * 1 = 100 10 * 6 = 60 1 * 4 = 4 = 164. 8 * 1 = 8 4 * 1 = 4 2 * 0 = 0 1 * 1 = 1 = 13. Decimal & Binary Number Systems. Decimal. Binary. 10. 2.

dysis
Télécharger la présentation

How to Control Your Own Apparatus using PC Printer Port

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. How to Control Your Own Apparatus using PC Printer Port Viraj Vishwakantha Jayaweera

  2. Printer Port

  3. 1000 * 0 = 0 100 * 1 = 100 10 * 6 = 60 1 * 4 = 4 = 164 8 * 1 = 8 4 * 1 = 4 2 * 0 = 0 1 * 1 = 1 = 13 Decimal & Binary Number Systems Decimal Binary 10 2 1000 100 1 8 4 1 103 102 101 100 23 22 21 20 1 1 0 1 2 1 6 4 We use Ten Symbols 0 1 2 3 4 5 6 7 8 9 We use Two Symbols 0 1 or On Off or Hi Low or 0V 5V

  4. Auto Feed Data 0 Data 1 Initialize Printer Data 2 Error Data 3 Select Input Data 4 Data 5 Data 6 Data 7 Strobe ACK Busy Paper Empty Select Printer Port Pin Assignment 1 14 Input Output Output Pins 18 – 25 Ground Input 13 25 8 Data Outputs (378 H) 4 Other Outputs (379 H) 5 Data Inputs (37a H)

  5. 1 14 13 25 Directly Connect LED to Printer Port VCC LED 5V - + 470 ohm Printer Port

  6. 1 14 13 25 Directly Connect LED to Printer Port LED 470 ohm Printer Port D0 D1 D2 D7 5 V

  7. 230 V AC L N X D1 R1 1N4007 10kohm K2 From Printer Port Y R3 RELAY D400 10kohm 230V AC Motor R2 R5 100kohm 3.3kohm Output Signal Amplifier VCC 12V R4 3.3kohm 5 IN+ 2 A IN- 4 Comparator ¼ LM339 VA = R5 / (R1 + R5) VA = 3.3 / 13.3 = 2.9 V

  8. LM339 Quad Voltage Comparators IC

  9. 1 14 13 25 Simple method of use Signal Input line Printer Port Switch

  10. 12V LDR 100kohm 10kohm ¼ LM339 5 To Printer Port Input IN+ 2 IN- 4 Comparator 1 M Preset 100kohm 5.6kohm Input Detectors 100 k Preset

More Related