How Astable Multivibrator using Logic Gates work | Example Circuits
Learn how astable multivibrator using logic gates works in simple diagram. With example 5 oscillator circuits, NAND, NOR, Inverter, Not gates etcs
Simple Condenser Mic Preamplifier Circuit using 2N3904
Today let’s try to make a microphone. By using a condenser microphone preamplifier circuit. Why would we need said circuit? Because of its high sound sensitivity, easy to use, small, and cheap. For example, It can be connected directly to your power amplifier through the AUX channel. Then, you could hear your voice clearly from … Read more
Experiment increase current of 7805 with 2N3055 transistors
Learn how to increase/boost up current of 7805 (or 78xx) regulators with helping the 2N3055 and others transistors.
Constant current circuit using transistors
Learning experiments with simple constant current circuit using transistors, a few plain parts, so helpful, especially Ni-HM battery charger.
3.7V to 5V Boost/Step-up DC converter circuit using MC34063
Here is 3.7V to 5V boost converter or step up switching circuit using MC34063 and a few parts,1N5819,100uH. For 200mA-300mA of load current.