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Results tagged with voltage
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user 141530
Voltage, otherwise known as electrical potential difference (denoted ∆V and measured in volts) is the difference in electric potential between two points (adapted from Wikipedia). Voltage can be constant (DC) or varying (AC).
8
votes
12V input on microcontroller pin
I would use a resistor divider and then protect the uC with a 5.1v Zener
If you put the zener between the pin and ground in parallel with, say, a 10k pull down resistor, then feed your voltage divided …
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