In this video tutorial we will see how to make a logic tip, on a printed circuit, with the integrated circuit sn7404, a 7-segment display, the transistor 2n3904 and other electronic components, from the defunct cekit magazine, but with a pcb design of our own.
What is a logical tip?A logic probe is an instrument that detects the presence of high and low levels, or pulse signals at any point in a digital circuit.
Electronic componentsAn integrated circuit sn7404Description
IC INVERTER 6CH 6-INP 14DIP
Data sheetPinoutDescription
DISPLAY 7SEG 0.56″ SGL RED 18DIP
Detailed description
Display Modules – LED Character & Numeric Red 7-Segment 1 Character Common Anode 1.75V 10mA 0.750″ H x 0.500″ W x 0.325″ D (19.05mm x 12.70mm x 8.25mm) 10-DIP (0.600″, 15.24mm)
Data sheetPinoutDescription
SMALL SIGNAL BIPOLAR TRANSISTOR
Detailed description
Transistors – Bipolar (BJT) – Single NPN 40 V 200 mA 300 MHz 625 mW Through Hole TO-92-3
Data sheetPinoutDownload –> logical tip
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