Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week Pros:Bright and easily readable. Blue display. Needs about 4 volts to operate. Connect the red wire to plus, black to minus, and the third one to the source you with to measure. I will built this voltmeter into my DC power source which I use in my amateur electronic... Read more
Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:Nice Size (wrong Size in discription) - Easy to connect, the reference voltage is up to 30 Volt. Blue light is easy to see in daylight.
Easy to attach, small ears to skrew in the case. Cons:There is no description of how to connect the wires. But red is positi... Read more
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