This is the simple version of a white LED lamp that can be directly powered from mains. It can give ample light even for reading purpose. Capacitor Cx along with diodes D1 through D4 forms the AC step ...
AC mains operated single LED flasher circuit, built using the popular CMOS timer chip TLC555 is shown below. The whole circuit is powered directly by the grid supply of 230VAC through a capacitive ...
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How To Connect LED Diode to 110/220v AC
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: ...
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