Logic Probe Circuit Schematic Diagram

Posted on Feb 6, 2014

The following instructions will allow you to build a practical test tool for troubleshooting and analyzing digital and microcontroller circuits. The complete Assembly and Instruction Manual can be downloaded from the the following web link: Don`s Projects Snap a 9V Battery to the battery clip. The Letter L should be displayed on the 7 Segment LED

Logic Probe Circuit Schematic Diagram
Click here to download the full size of the above Circuit.

Display. Next soldered a red wire on the pcb where "Probe" is located. Last, soldered a black wire next to the black wire attached to the 9V Battery Clip. Now, the Logic Probe is ready to trouble or analyze digital or microcontroller circuits.

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