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user 168766
Something put into a system or expended in its operation to achieve output or a result
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How to protect a microcontroller analog pin from continuous overvoltage?
It works fine but as the micro-controller can withstand a maximum of 4V at its input (Using a STM32 uC), I need to protect the pin in case the input to the divider is above 23V. … For example, if input to uC is Vout and input to resistor divider is Vin then for case when resistor + zener circuit is not connected, the ratio (Vin/Vout) for entire range of Vin remains constant. …
