World of Heathkit do-it-yourself electronicsAll of man’s progress has stemmed from ideas, ideas held by men and women who pioneer new concepts. The provocative ideas of yesterday are the realities of today that make...
This shows how to OR gate two 555, when one 555 cycles at a low frequency a valve turns on an off, the second 555 stretches the ON duration of the pulse with a...
Found these in openclipart and wikipedia, A collection of basic electrical symbols you ought to know. You could use these symbols to add in your documentation by cut and paste from an image editor.
With the best wishes for you. I found your address and browsed your website. I have a question and hope to take your help and answer. I need to good metal detector’s circuit and...
Date 8/30/06 Simon and delabs Simon: hello, delabs: hello Simon: we have many meanings for saturation, delabs: means turning on, also means no longer linear, or it is got fixed up, not varying in...
Here is a Neon Flasher circuit (untested) for a user request at Circuits FAQ. This can be built into a switchboard or a gadget for indicating Live Power. D1-C1 form a simple half-wave rectifier,...
One thing tho, i would like to request you to send me some procedures on how to work with surface mount devices (SMD’s). I cant get the IC as DIP so i have no...
This is a constant current source using a FET. This is the most simple replacement to series resistor to limit current. The N-Channel FET BF256C can give 15mA current. Simple Methods Before you get...
