Suppose, you want to use the 5Vdc power supply levels up to 100mA, But there is only one single AA 1.5V battery. This working we need to use The DC to DC converter step up voltage. but will choose which is better circuit well, to create simple and small. I try to was looking on … Read more
If you have batteries is 1.5V or 3V, but need voltage 9V. This DC converter, can help you, This is 1.5v to 9v step up dc converter circuit using TL496 Read more
The top cheap 7805 Dual Variable Regulator Power Supply. It can adjust the dc voltage with +5V to +25V and -5V to -25V at current 1 amp, using LM7805 and LM7905. Read more
The simple 6V Power supply circuit. We have a lot of circuits for you. Some ideas may be good for you. All circuits use normal component, easy making. Read more
See two negative Voltage Regulator circuit ideas. Do you know? we can use PNP transistor and Zener diodes in these example circuit 12V,9V at 700mA output Read more