- 1). Find a simple quartz crystal tester schematic to follow. Examples of schematics that you can use can be found in Resources, below.
- 2). Arrange the electrical components on standard printed circuit board, or PCB, and solder the components in place with a soldering iron.
- 3). Connect the wired circuit board to a 9V battery to create a powered tester. Introduce the testing switch by attaching a standard on/off button to the S1 connection on the board.
- 4). Set the crystal between the A and B terminals on the testing board, and turn the tester on with the power switch. Chart your results so you can refer to them later.
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