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Interfacing 7-segment display using 7447 decoder

Circuit diagram for interfacing Common Anode 7-Segment Display Monday, August 17th, 2009  »  Posted By  »  Total 38 Comments

The Light Emitting Diode (LED), finds its place in many applications in this modern electronic fields. One of them is the Seven Segment Display. Seven-segment displays contains the arrangement of the LEDs in “Eight” (8) passion, and a Dot (.) with a common electrode, lead (Anode or Cathode). The purpose of arranging it in that [...]

Digital IC Tester

Digital IC Tester Thursday, November 20th, 2008  »  Posted By  »  Total 237 Comments

Unlike the IC testers available in the market today which are usually expensive, this IC tester is affordable and user-friendly. This IC tester is constructed using 8951 microcontroller along with a keyboard and a display unit. It can test digital ICs having a maximum of 24 pins.

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