I have been attracted to the numerous laboratory test equipment that I came in contact with while being an engineer, but couldn’t justify purchasing them. Recently I came across reasonably priced ‘build your own’ kits, and have enjoyed playing with them:
The Power Supply above will provide 0 to 12 volts DC to the red & black clips, added features are a continuity tester with buzzer (green), a square wave generator (yellow), and a logic probe (white). And all for about $14.
The signal generator above will produce square, sine, or triangular waves with frequencies from 1 to 1MHz. For approximately $13.
The oscilloscope above also functions as a frequency counter and will display a single channel input. For approximately $20.
The component tester above will measure resistance, induction, capacitance, frequency and voltage while testing transistors. Additionally it will generate square waves and a pulse width modulation signal. And all for approximately $15.
I’ve had the fun of building them and am now looking for uses.
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