Classic active tone control circuit using ICs
Mini Projects
A stereo pre amplifiers with active tone control circuit that has been popular for more than 40 years is this circuit which use the RC4739 as main components. Due to its features that the bass heavy, and treble sound is crystal clear. Due to its features that the bass heavy, and treble sound is crystal clear, still chose this project. Figure 1 the schematic circuit diagram This pre tone include of 2 main sector are: – The first, IC1 act as the pre amplifier circuit for the signal amplifier from the Magnetic pickup or microphone and – The second, IC2 …
How to basic use LEDs
Lightings
My son is very interested in the LED. He want to created the simple LED flasher circuit. But we should learn the principles of the LED before. Started to use the LED circuit as Figure 1. Includes Battery, Resistor and LED – Its shape – symbols (When drawing the circuit, if the actual shape it waste so much time, symbols should be used) Things should remember The battery and LED are polarity must be used correctly. Next Step… How much voltage’s LED? I recommend breadboard because it does not require electric soldering iron. Perfect for my son. He experimented to …