This App provides some usefull electronic tools, like IC 555, voltage divider and resistor calculators. Tools:Battery lifetime calculationCapacitor co …
LEDs are small and efficient. They are the future of modern lighting. But LEDs needs resitors to work properly. This App helps you to find the perfect …
The easiest free Flashlight App for Android. Use your Camera-Led as a bright Flashlight.Does not work with some Samsung Smartphones.免費玩Simple Flashlig …