Voltage dividers made of resistors are pretty simple. Series resistors with a voltage across them, split up the voltage in proportion of their resistance.
I assume you already know
- Higher value resistor will have more of the voltage across them than the lower value resistors they are in series with.
- Equal value resistor will split the voltage equally.
- Variable resistor and potentiometers (trimpots) can give whatever voltage you want, within the range they are made for.
More detailed voltage divider lessons at 004 Voltage dividers-trimpot-LDR light dependent resistor-fixed resistor
Good topics to read next
- Trimpot – Trimmer potentiometer – Voltage divider – Variable resistor
- NPN Bipolar Junction Transistors (BJTs)
- 555 timer schmitt trigger logic inverter – NOT gate
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