Led circuit – Power Supply Led circuit for the Power Supply using BD139 Power Supply circuit – 16VAC x 2 (ct) to 39v using ZD30v Led circuit for the Power Supply The size of the LED and resistor to supply some tips on supply, and of course will provide many details about the LED driver […]
Posts tagged Led circuit for the Power Supply using BD139
Making DIRECT PCB PLOTTING
This article is about another method I tried and had 100% success first time. The object is to modify an old plotter pen so that you can draw direct onto the PCB material itself. No photography, just a new pen. All you have to do is the use one of those Faber Castell S overhead […]
Electronic circuit diagram Low distortion audio amplifier Using LA4101
Electronic circuit diagram Low distortion audio amplifier Using LA4101
Touch switch circuit using Relay
ON off Touch switch circuit using 12v Relay R1 ……………. 220K R2 ……………. 47K R3 ……………. 4,7K R4 ……………. 10 M FET …………… 2N3819 TR1 …………… FCS9012 TR2 …………… FCS9013 Relay …………. DC – 12V
Making Intercom home circuit
Intercom home circuit using TR C828 and IC TDA2003 Intercom home circuit using TR C828 and IC TDA2003
