step down 6 V 3AMP to 5 V 3AMP
44515
using buck converter
34160
Is there any bidirectional 5v-3.3v level shifter?
22102
How to change critically low battery value?
37897
Examine rectified voltage before and after
25522
Low battery level circuit - Changing "trigger" level
118920
A switch that is only ON if the reference voltage is matched -+ 0.1 volts
31847
Making a three phase voltage source to drive a gyroscope
129553
5V to 3.3V Level shifting circuit
30624
Automatically switching from battery to DC wall adapter on insertion
123422
How to channel Redstone current vertically?
74913
What's up with the operating voltages 5 V, 3.3 V, 2.5 V, 1.8 V, etc.?
69492
How to create automatic dual battery changeover/switching circuit for uninterruptible power?
69578
Is it really possible to "boost" 6 V DC to above 50 kV? Or even 400 kV?
7621
Reducing voltage with resistors
125118
230V AC to 5V DC converter, lossless
131932
How to create bipolar power supplying from Powerbank 5V 3A
125877
I need to switch between two 240V 30A loads