Logic probe circuit using CD4001 IC

Logic probe circuit using CD4001 IC

Logic probe circuit with CD4001 IC

This logic probe circuit is useful for people who needs an instrument to measure the logic levels on digital circuits. This circuit is implemented with CMOS IC technology and is recommended for testing circuits using the same technology

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Logic Probe with 7 Segment Display

Logic Probe with 7 Segment Display

Logic point using 7 segment display

This logic probe with 7 segment display is designed with TTL technology and does not use LEDs to display the high and low logic levels found in many of the logical probes on the market. The circuit shows the capital letter “H” when there is a logical “1” or the letter “L” when there is a logical “0”.

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