It is a ideal for small size circuit and easy. It is a switching voltage regulator circuit. 5V USB to 12V output low current such as LED display. LEarn It moRe!
The car dc to dc converter project for converts from 12V car battery to dual voltage of +40V Ground and -40V Available of +/-27V ; +/-30V ; +/-30V; +/-50V
This is 5V to 12V boost converter circuit or higher using transistor circuit,When if you want a negative voltage from a positive power supply.
How to make it light long time or use battery longer than usual. we use this Switch mode LED driver circuit using transistors. and simple circuit below [...]