The book will be quite useful for beginning 45 pages of microprocessors, compiler programs beginning, pre-information application circuits and many other topics that are not too complicated... Read more
Those of you who like the telephone hell louder may find this circuit of interest. It uses the telephone bell signal to actuate an oscillator, which in turn drives a relay that operates a st... Read more
Those of you who have ever worked with flat cables will know that IDC (insulation displacement connectors) are simple to use and give reliable connections. IDC is available as sockets and pl... Read more
When an appliance ceases to —K operate, there may be various causes for this, one of which is the blowing of the mains fuse. The monitor proposed here contains an LED that lights when that i... Read more
Nowadays the only reasons for not using a voltage regulator in a power supply are: I have not got one: I need an ‘odd’ voltage; I want to keep the current drain very low. The reg... Read more
Purpose of power ON delay circuit: The power ON delay circuit provides a simple means to implement soft-start on heavy mains loads. Basically, this is achieved with the aid of high-power ser... Read more