Do you like a transistor? Today I am going to 3 transistors audio amplifier circuits. Why use transistors in the amplifier? Transistors are devices made of semiconductors. It has many…
This is Morning sun alarm circuit using IC-4011 that hobby It will have sound alarm when morning like a normal clock alarm with lighting sensor same clock.
If you are looking for a constant frequency generator that easy and inexpensive. Here are the transistor crystal oscillator circuit ideas. They may help you works finish. There are 4…
This is simple handheld electronic pulse massager circuit. Which helps relax the muscles by electric pulse waves. Ideal for those muscles all the time. [...]
Imagine you are playing an instrument, a guitar. Sometimes you want a strange sound from a normal. Use these ideas of fuzz box circuits and fader controller. You may change…
lets to see Automatic Op-amp night light circuit using IC-741. It is also very simple. As my feelings It has high sensitivity more than one,high accuracy.
This is Universal digital counter circuit using CD4510 & CD4543,count up or count down,connect output to a 7 segment LED both a Cathode common or Anode