The integrated circuit CD4040 is a programmable divider. Its mission is to divide the present frequency in pin 10.
Five-point graphic equalizer BA3812L rn
Based on the Countdown with LCD 2x16, we have made this variant of the countdown. The countdown circuit, or the backwards counting we shall describe, shows the visualisation of the backwards counting on four 7 segment displays.
With this simple tutorial we’ll construct an entrance to the computer to make it usable like an oscilloscope. We shall transform our PC into oscilloscope.
Digital clock with pic 16F84A.
2x70W amplifier STK4211V. rn
Pictures of some of the published electronics assemblies.
Single channel power amplifier with excellent audio quality. Applications in portable radios, tv sets, cassette recorders, interphones, and wireless tranceivers.
We have compared 4 PC and their consumption, to see how much money we spend on electricity.
The third power cable is the one that’ll be connected to the fans. In our case, one in the front and another in the back part of the box.
2x30W amplifier TA8220. rn
This circuit is made to protect the speakers from the "pump" inconvenience, that is produced in some amplifiers while they are on.