I needed a pulsating light for a certain signaling. Voltage was 230V. So I decided to make a simple circuit, consisted of a LED diode, two capacitors, two resistors, a diac and a diode. Activity of ...
LED has become more and more popular for use as light indicator because of its low cost and long life. Unfortunately the LED works only at low voltages and even then you need to use a resistor in ...
witam, jakie oporniki wstawić aby dioda LED nie podawała prądu na dzwonek? Po podłączeniu dzwonek cały czas lekko dzwoni. Był zamontowany zasilacz ale 8V. Jaka dioda? Jaki dzwonek? Musisz tak dobrać ...
Trump pulls US from 31 bodies in UN, already in fiscal peril Common food preservatives linked to cancer and type 2 diabetes US trade deficit unexpectedly falls to lowest level since 2009 Trump: ...