Taking 5v down to 3.3v with 10k and 5k Ohm resistors
32052
how to reduce DC voltage using resistors?
83628
Resistor in series needed with LED string?
151478
Calculating resistor for LEDs with different Forward Voltages in series
45078
Shifting -5 V to +5 V signal to 0 to +5 V for ADC
111492
Building 3 Stage amplifier, Couple Questions
12984
How to Convert 0 to 10V analog signal to 0 to 2.5V for ADC input?
36841
Generating high voltage (100V+) from 5V USB supply
22729
Level shifting a +/- 2.5V signal to 0 - 5V
158149
Arduino with 5v Relay
9182
Driving LED with PIC 5V
71687
Please help with resistor color code?
32258
How to design the gate resistor value?
142361
Do I need a base resistor for a BJT?
87497
Potential drop in a resistor
132950
Scale 30-50 mV signal to 0-5 V range
33827
Basic circuit voltage question - Using a driver to control a stepper motor
33926
Calculating resistor value and power rating for LED driving