Voltage divider
Vout = Vin × R2/(R1+R2): pick E24 resistors for a target voltage (ADC, sensors)
Parameters
E24 resistors
Divider current: 0.32 мА
27 kΩ + 10 kΩ
- Vout
- 3.243 В
- Error
- -1.72%
Load on output parallels R2 — keep divider current 10+× the load current. For 3.3V ADC from 12V: R1=26k, R2=10k → 3.33V.