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Resistor Based Level Shifter (Resistor Divider)

Easily the cheapest and easiest way to shift voltage levels is with a resistor divider circuit. It literally takes 2 resistors. The voltage is ‘divided’ between the 2 resistors. In the example circuit above the values were chosen to be

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OshPark PCB Fab Review

I just got my boards in from OshPark. It was my first time ordering from them and I’m very pleased with the results. I submitted by design on 1/28/14. I was told they were sent to fab on 1/28/14 as

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