How can i make a 3.3v ouput from 9v battery?
35421
How do I convert 9 V DC to 5 V?
122744
Is it possible to detect a battery type and requirements(voltage,current etc) using an MCU based circuit?
156077
how to switch to backup battery when power fail?
2774
Stepping up 3V to 5V
28292
Making dual power supply from single for opamp?
23622
Charging lead-acid batteries?
67448
Can I use a charger with more output amperage than the device needs?
131932
How to create bipolar power supplying from Powerbank 5V 3A
77631
Powering Arduino from a voltage divider
78058
Is there any option to store AC voltage?
32052
how to reduce DC voltage using resistors?
74913
What's up with the operating voltages 5 V, 3.3 V, 2.5 V, 1.8 V, etc.?
22729
Level shifting a +/- 2.5V signal to 0 - 5V
74135
NPN circuit to switch 12v 1A DC load by 3.3v 1A DC using PIR
155126
How to transform 5V into 12V?
113660
Convert Oscillator output voltage level
119534
How to force variable voltage fast charging power bank to output a certain voltage?