Step up converter circuit using TDA2822
No light! because of a low voltage battery. How do you increase the voltage up?
You can do many ways.
And, I recommend a simple step-up converter circuit using TDA2822. Read more
Voltage Doubler Circuits
DC Boost Converter circuit 3-4V to 12V-13.8V
I like the 12V LED. But I have only 3V of batteries. So, No light. When using this circuit, I can get light of the LED at 100 mA. And, an adjustable output voltage.
Simple 12V to 24V step up converter circuit using TDA2004
This is simple the 12V to 24V step up converter circuit, can convert DCV from 12V to 24V at 1A max. Using TDA2004. Why is amplifier IC? It easy&inexpensive. Read more
Simple 6V to 12V boost converter circuit using BD679 transistors
Simple Step up DC converter circuit using Transistor 6V to 12V! Read more
7 ideas of 555 DC boost converter circuit
I would suggest the IC-555 DC boost converter circuits is a key equipment that it is popular and easy to uses so can be used in many circuits. Read more