If you are seeking 5v voltage regulator high-quality. I begs for to advise this circuit. Use the integrated circuit TL431. Be the character of DC Shunt Regulator. Be usable good easy have Voltage straight straddle low circuit. convenient for the circuit that want Current. be usable not tall extremely. By [...]

Normally general bicycle will systematically give the light at night with a light bulb. By will receive the electric energy from the dynamo. But this system is defective straight that when stop spin a bicycle. As a result will make a light bulb switches off problem this solution so. There is [...]

When you use solar cell will meet a problem voltage do not be stable. Then must use regulator circuit. We try to come to see shunt regulator circuit the this. Type time merit be use good easy this circuit uses pillar equipment is IC [...]