To start with something simple, let’s measure voltageusing a multi-meter: Pull out your multi-meter and plug the black probe into COM (‘common’) jack and the red probe into mAVΩ. Set the multi-meter to “2V” in the DC range (DC is a straight line, AC is the wavy line). Squeeze the probes with a little pressure against the positive and negative terminals of the AA battery. The black probe is customarily connected to ground or ‘-‘ and red goes to power or ‘+’. If you’ve got a fresh battery, you should see around 1.5V on the display!
A multimeter can be a hand-held device useful for basic fault finding and field service work, or a bench instrument which can measure to a very high degree of accuracy. They can be used to troubleshoot electrical problems in a wide array of industrial and household devices such as electronic equipment, motor controls,domestic appliances, power supplies, and wiring systems.
These are the necessities:
• Continuity testing with PCB board and wire connection
• Resistance test down to 10 ohm (or lower) and up to 1 Megaohm (or higher)
• DC voltage test down to 100mV (or lower) and up to 50V
• Diode testing
These are things that really use in your project.
- 1 x Wire stripper
- 1 x 9v battery and Adaptor
- 1 x Bread Board
- 1 x Wire cutter
- Connecting wire(3 different colors pack of 10)
- 1 x Multimeter
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